Lakewood ADU Market Update — August 2026: What's Happening, What It Means, and What Buyers and Sellers Need to Know
Lakewood doesn't get talked about in ADU circles the way Long Beach or Anaheim does. It's an underrated market — a post-WWII planned community in the southeast corner of LA County with predictable lot dimensions, solid mid-century housing stock, and a geographic profile that makes ADU conversion more straightforward than most buyers expect. And the numbers from this summer are telling a clear story: inventory is thin, demand is real, and properties with permitted ADUs are drawing serious attention from both house-hackers and buy-and-hold investors.
Here's what the data shows as of August 2026.
The Market Backdrop
Lakewood borders Long Beach to the south and west, with Cerritos to the east and Bellflower to the north. The housing stock is mostly mid-century single-family homes on consistent lot sizes — the kind of grid-pattern neighborhood where ADU conversion makes practical sense and where you can underwrite the lot dimensions before you even drive by.
The numbers right now:
Median home value: ~$885,000 — up slightly year over year
Months of supply: 1.9 — a seller's market by any definition
Days to sell: ~31 — properties are moving, not sitting
Homes selling above asking: 55% — more than half of everything is going over list
That's a tight market. And tight markets are where ADU properties tend to outperform, because the buyer pool competing for any property with income potential is concentrated and motivated.
The ADU Opportunity: Regulations, Permitting, and What's Changed in 2026
Lakewood's housing stock is built for ADU conversion. Mid-century detached garages with alley access, large rear yards, consistent setbacks — the construction pattern that defines most of Lakewood's residential blocks aligns well with modern ADU permitting standards.
The city has moved to streamline the process. Lakewood's Building & Planning department processes ADU permits in 4–6 weeks and maintains pre-approved standard ADU plans that property owners can pull directly — a meaningful reduction in time and design costs compared to submitting fully custom drawings. The planning review fee is a flat $320 for an ADU or JADU, with additional building and plan-check fees that scale with project valuation. Minimum ADU size has been reduced to 400 sq ft under recent amendments.
Two state-law updates worth knowing:
California's HCD ADU framework preempts local restrictions, which means Lakewood cannot enforce owner-occupancy requirements on a standard ADU. You can build and rent without living on site. For JADUs, AB 1154 (effective January 1, 2026) narrowed owner-occupancy requirements further — a JADU built with its own separate bathroom is no longer subject to the owner-occupancy mandate under state law. The 2026 HCD ADU Handbook has the full updated guidance on what cities can and can't restrict.
What ADUs Are Actually Renting For
Lakewood ADUs are generating $2,000–$3,000/month depending on bedroom count, finishes, and location within the city.
For context: Long Beach ADU rents in 2026 run from roughly $1,600 for a studio to $2,950+ for a 2-bedroom depending on neighborhood and unit quality. Lakewood tracks closely with eastern Long Beach submarkets — which makes sense, since the tenant pools overlap significantly.
At $2,200/month for a 1-bedroom ADU, you're looking at $26,400 in annual gross income on top of your primary residence. For buyers using ADU rental income at underwriting, that income can shift what you qualify for more than people expect.
For Sellers: This Is the Window
If you own a property in Lakewood with a permitted ADU and you've been thinking about timing, the current inventory picture is working in your favor.
A 1.9-month supply is genuinely tight. With 55% of homes selling above asking and a 31-day average time to sale, the buyers are here — and they're competing. ADU properties in this market aren't sitting.
The pattern that plays out in Anaheim and Garden Grove ADU closings holds in Lakewood too: properties with functional, detached, properly permitted ADUs close at or above list. Properties with small studio ADUs or unpermitted units take longer and attract lower offers. How an ADU-equipped property gets valued at appraisal depends on the appraiser's access to comparable ADU sales and their ability to apply an income approach — which is why permit status matters so much at the moment of sale.
Before you list, pull the permit history through the city's Building & Planning department and confirm the certificate of occupancy is recorded. That documentation is what a buyer's lender and appraiser will ask for — better to have it ready before an offer comes in than to scramble during escrow.
Under Fannie Mae's appraisal guidelines for ADU properties, the appraiser needs documented, permitted ADU income to support the income approach — and in a market like Lakewood, where ADU comp depth is building but still limited compared to Long Beach, that documentation is what separates a clean appraisal from a contested one.
For Buyers: Underwriting Lakewood Correctly
Lakewood's appeal for ADU investors is direct: lower entry prices than Long Beach proper, comparable rental income, faster permitting, and stable tenant demand driven by proximity to South Bay and Southeast LA employers.
For buyers who want to use ADU rental income to qualify for their mortgage, the mechanics of how lenders count that income are specific and lender-dependent. How much of the ADU income counts, what documentation is required, and which loan programs allow it — these are questions to resolve before you're in escrow, not after.
For investors buying for cash flow, DSCR loans have become the dominant structure on ADU investment properties in LA County because they underwrite to the property's income rather than your personal tax returns. On a Lakewood property generating $2,400/month from a 1-bedroom ADU plus $3,000/month on the main house, you have a $5,400/month gross rent figure that a DSCR lender will model against your proposed debt service. That math works when the ADU is permitted, documented, and rentable.
Before you write an offer, the pre-offer due diligence checklist I run on every investment property in OC and LA includes: confirming the ADU is permitted and has a certificate of occupancy, checking utility metering (separate meters increase appraised value and rental flexibility), verifying the unit is legal for occupancy, and building a realistic income model from actual Lakewood rent comps — not estimates pulled from statewide averages.
An unpermitted ADU changes the entire picture. Lenders and appraisers treat unpermitted units very differently — and in a market where you're competing against other buyers, a financing surprise that delays close or unwinds a deal is the last thing you want.
The Bigger Picture: Lakewood in the LA County Context
Lakewood is not an obvious ADU market. It doesn't have the investor infrastructure of Anaheim or the name recognition of Long Beach. But that's part of what makes it worth paying attention to.
The comp data in adjacent Long Beach submarkets — particularly the eastern Long Beach neighborhoods that directly border Lakewood — provides a useful benchmark for rental rates and sale prices. If you're evaluating an ADU property in Lakewood, it's worth understanding what's happening in the Long Beach multi-unit and ADU market simultaneously, because the buyer pools and tenant profiles overlap enough that Long Beach data is genuinely predictive for Lakewood.
The exit market matters too. When it's time to sell, a permitted ADU property in Lakewood has the same buyer pool advantages as any other well-positioned LA County ADU asset: house-hackers who need the income to qualify, multigenerational families paying a premium for an independent unit, and investors underwriting based on gross rents. That's a deep buyer pool — and buyer depth at exit is what keeps values stable even when the broader market softens.
The Takeaway
Lakewood in August 2026 is a tight market with real buyer demand, low inventory, and ADU rental rates that pencil for house-hackers and investors alike. Sellers with permitted ADUs have leverage right now. Buyers who underwrite correctly — permit status, income documentation, financing structure — can find genuine value in a city where ADU competition is still a notch below Long Beach proper.
If you want a current read on what your Lakewood property with an ADU is worth, or you're looking for ADU-equipped properties in the Lakewood/Long Beach corridor, reach out directly at (714) 860-2868.
Dylan Serna | ADU Specialist | DRE #02217359 Call or text: (714) 860-2868 | adurealtor.net | Free ADU Seller Kit
Buying Occupied vs. Vacant Multi-Unit Properties: Which Is the Better Investment in Orange County?
The honest answer is: it depends. But in most cases, the better deal comes attached to more headaches — and understanding why is what separates investors who build real wealth from the ones who keep chasing "easy" properties that never pencil out.
Here's how to think about it.
Occupied Properties: The Headaches Are the Discount
When a multi-unit property hits the market with tenants who haven't paid rent in months, rents locked in 40% below market, and a landlord who's been ignoring maintenance requests for two years — most buyers walk away. That's exactly why the price is where it is.
Those headaches are the valuation. The seller is pricing for what the property is right now, not what it could become. For an investor who knows how to work through the problems, that gap between current performance and market-rate performance is where the return gets built.
The three problem scenarios that create the most opportunity in occupied multi-unit properties:
Severely under-market rents. In OC and LA, a tenant paying $1,200/month in a unit that would rent for $2,200 on the open market represents a real cash flow deficit — but it also represents a future rent step-up that gets priced into the property immediately once that tenancy ends. The challenge is that California's tenant protection laws make that transition slower and more procedurally complex than most buyers expect. AB 1482, the statewide Tenant Protection Act, requires just cause for eviction and limits annual rent increases on most multi-unit properties built before 2005 to 5% plus CPI (capped at 10%). That's not a reason to avoid the deal — it's a reason to underwrite it correctly.
Late or non-paying tenants. A tenant who hasn't paid rent in four months has created a situation that's uncomfortable for the seller but potentially advantageous for a buyer who can navigate an unlawful detainer process or negotiate a cash-for-keys agreement. The seller's urgency is real. Their motivation to price the property to move is also real. The buyer who understands what to check before making an offer on an investment property in OC or LA will know whether that tenant situation is resolvable — and at what cost — before the contract is signed.
Deferred maintenance and physical problems. Properties that have been mismanaged tend to show it. That creates leverage in negotiation and usually means a seller who can't support a high ask with a clean inspection report. The discount on a problem property isn't just about the repair costs — it's about the buyer pool shrinking to the handful of investors willing to deal with the process.
Vacant Properties: Cleaner, But More Expensive
A vacant multi-unit property in OC or LA is genuinely easier to manage during escrow and after close. No tenant coordination, no displacement concerns, no rent history to dig through. You can show the units, renovate on your timeline, and set rents at market from day one.
But every other investor knows that too.
Vacant multi-unit properties attract significantly more buyer competition because they require less expertise to evaluate and fewer hard conversations after close. That demand compresses the cap rate and pushes up the price. The properties that pencil out at current interest rates on a vacant basis are rarer than they've been in years, and in markets like Garden Grove, Anaheim, and Long Beach — where investors are actively buying multi-unit properties to add ADUs and stack income — the competition for clean, vacant buildings has gotten intense.
You're also not creating value by buying vacant. You're paying close to what the property is worth on a stabilized basis before you've done any work. The value-add play — which is what most investors in OC/LA are actually underwriting — depends on either acquiring below stabilized value or adding density. Vacant properties at market prices rarely offer the former, and adding density works whether the building is occupied or not.
Why OC and LA Make This Decision More Complicated
Multi-unit tenant law in California is not forgiving, and Orange County and Los Angeles County layer additional complexity on top of the statewide baseline.
In the City of Los Angeles, properties built before October 1978 with two or more units are covered under the LA Rent Stabilization Ordinance (RSO) — which limits annual rent increases to a percentage set annually by LAHD (currently 4% for most unit types in 2024–2025) and requires just cause for eviction across a defined list of permissible reasons. This isn't optional and it applies at the unit level — not the property level. That means a seller can't offer you a clean building by asking problem tenants to leave before closing. The RSO follows the unit.
In Orange County cities — which don't have their own rent control ordinances — AB 1482's statewide just cause protections still apply to qualifying buildings. That means a landlord can't terminate a month-to-month tenancy simply because they sold the property. The new owner steps into the same obligations the seller had, which is a consideration that every buyer of an occupied OC multi-unit needs to understand before they write the offer. Why FHA is usually the wrong move for multi-unit properties in Orange County touches on some of the financing constraints that come with occupied properties specifically — that post is worth reading alongside this one.
The practical implication: in most other states, buying an occupied multi-unit with problem tenants is a matter of patience and process. In OC and LA, it's a matter of patience, process, legal compliance, and knowing which tenant scenarios are resolvable on a realistic timeline. The pre-offer due diligence framework I use on every investment property in OC and LA includes a hard look at tenant histories, lease terms, and any existing unlawful detainer records before we go under contract.
How Financing Sees Occupied vs. Vacant
Lenders treat occupied and vacant multi-unit properties differently — and not always in the way buyers expect.
On the occupied side, under-market rents are a real problem at underwriting. Most conventional and DSCR loan underwriting uses actual documented rents to determine DSCR (debt service coverage ratio). A building where two of four units are paying $800/month on a lease signed in 2016 will underwrite at a lower income figure than the same building with market-rate tenants in place. The financing may still work — but it works based on today's rent roll, not tomorrow's upside.
On the vacant side, lenders often require market rent analysis from the appraiser rather than actual income. That's favorable in the sense that you're not penalized for vacancy, but it also means you're buying at a price that reflects those projected rents — without the discount that comes with occupied, underperforming units.
The wealth-building math on a correctly acquired multi-unit property in SoCal runs on three simultaneous levers: cash flow, principal paydown, and appreciation. Occupied deals with below-market rents put pressure on the first lever early, but create room for significant improvement once units turn. Vacant deals are cleaner but come with a narrower margin for error on the purchase price.
The Bottom Line
Occupied multi-unit properties with real problems — late tenants, under-market rents, deferred maintenance — are harder to buy and harder to manage in the short run. They're also where the better deals are, because most buyers self-select out of anything that requires real work.
Vacant properties are significantly easier, which means more competition, tighter pricing, and a lower ceiling on value creation.
The right answer depends on your risk tolerance, your cash position, and — critically — your understanding of California tenant law in OC and LA. The investors building the strongest multi-unit positions in markets like Long Beach and Anaheim right now aren't finding the cleanest buildings. They're finding the ones other buyers won't touch, doing the diligence to know what's actually fixable, and underwriting the deal on what the property can be — not just what it is today.
Ready to Start your Investing Journey?
Call or text Dylan Serna to schedule your investor consultation call at (714) 860-2868
Thinking about buying a multi-unit property in Orange County or LA County? Here's what I check before any offer goes in — and why the occupied vs. vacant question is just the starting point.
An SB9 Unit Is Not an ADU — And the Difference Matters More Than You Think at Appraisal
If you've been researching ways to add units to a single-family lot in California, you've probably heard SB9 and ADU used almost interchangeably. Real estate sites do it. Contractors do it. Even some agents do it.
They're wrong — and the distinction isn't just technical. It has a direct impact on how your property appraises, which comps the appraiser uses, and ultimately how much your property is worth when you sell or refinance.
Here's the difference, and why it matters.
What an ADU Actually Is
The word "accessory" in Accessory Dwelling Unit is doing a lot of work. Under California law, an ADU is legally defined as a subordinate dwelling unit — it's attached to, or dependent on, the primary residence on the same lot. It cannot exist independently. It cannot be sold separately from the main home. It is, by definition, secondary.
That classification follows the property everywhere. Into the permit record. Into the title. Into the appraisal.
When a licensed appraiser looks at a property with an ADU, they're required to find comparable sales of other homes with ADUs — because that's the correct market for what the property actually is. In most Orange County and LA County markets, that means you're compared against other single-family residences that happen to have an accessory unit. Those comps are generally lower than duplex comps, because the buyers shopping for them are largely owner-occupants stretching to add rental income — not investors underwriting multi-unit income streams.
The result: your property appraises in the SFR-with-ADU bucket, competing against other SFR-with-ADU sales. In markets like Cypress, Buena Park, and Fullerton where those comp pools are thin, this can create real compression on value.
What an SB9 Unit Actually Is
SB9 — Senate Bill 9 — is a different animal entirely. It's not an accessory to anything.
An SB9 unit is a primary dwelling unit. It's an independent structure that can legally stand on its own. It doesn't derive its legal existence from the main house — it exists alongside it as an equal. When you add an SB9 unit to a single-family lot, you're not creating an accessory arrangement. You're creating a duplex.
That's not a semantic argument. It's how the permit is classified, how the title reads, and — most importantly — how the appraiser is required to treat it.
The Appraisal Gap Is Real
Here's where the math gets concrete.
When a property has a main house plus an SB9 unit, the appraiser's comparable set shifts entirely. They're now pulling duplex comps — two-unit residential properties that trade based on income, cap rates, and gross rent multipliers. Duplex buyers are investors. Duplex comps carry investor-grade pricing.
When a property has a main house plus an ADU, the appraiser is working from SFR-with-ADU comps. Those comps are anchored by owner-occupant buyers who are buying a home first and tolerating a rental second. The pricing ceiling is different.
This matters because Fannie Mae's appraisal guidelines require appraisers to use the most similar comparable sales available. A two-unit property — which is what an SB9 creates — gets compared to other two-unit properties. The appraiser doesn't get to blend comps across property types. The classification drives the comp pool, and the comp pool drives the value.
The practical gap between duplex comps and SFR-with-ADU comps in markets like Garden Grove, Anaheim, and Costa Mesa can be meaningful — sometimes 10–20% or more on the same physical footprint, depending on the submarket.
Why This Matters When You Sell or Refinance
If you're building or already own a second unit on a single-family lot, the classification it holds determines your exit options.
A property classified as a duplex (SFR + SB9) can be sold to a much broader buyer pool — including commercial and multi-family investors who are underwriting on income and can access portfolio financing. It can be refinanced using multi-family lending products. And when income is the basis of valuation, a well-rented duplex in a strong market will often outperform a well-rented SFR-with-ADU on the same street.
A property classified as an SFR-with-ADU is limited to that buyer pool. The rental income can still count toward mortgage qualification for a buyer using conventional financing — Fannie Mae has expanded its ADU income guidelines to allow this — but the appraisal methodology still anchors the value to that comp pool.
Neither is wrong. But they're not the same, and treating them as interchangeable is a mistake that shows up at the appraisal and doesn't come off.
The Lot Split Option Takes It Further
SB9 also gives owners the ability to split the lot into two separate parcels — putting one unit on each. That creates two legally distinct properties, each with its own APN, its own ownership potential, and its own resale path. That's a different conversation from ADUs entirely.
If you're evaluating whether a corner lot configuration makes sense for an SB9 project, the lot split pathway becomes even more interesting — two street frontages make independent access to each parcel substantially cleaner.
The Bottom Line
ADUs and SB9 units are not the same product. They're not even close.
An ADU is an accessory. An SB9 unit is a primary residence. That legal distinction flows directly into the appraisal — changing the comp pool, the buyer market, and the ceiling on what your property can be worth.
If you're planning a build or already own a property where this question is live, the classification matters before you pull permits, not after. Getting it right from the start determines which side of the valuation gap you land on.
For a deeper look at how SB9 is playing out in specific Orange County markets — including where the highest-leverage opportunities are right now — see why SB9 might be the best play in Huntington Beach and the 3 SoCal property benefits that stack for investors who build correctly.
Ready to Start?
Call or text Dylan Serna at (714) 860-2868 to schedule our SB9 Investor Consultation
Buena Park ADU Market Update — August 2026: What's Active, What Just Closed, and What the Numbers Say
Buena Park doesn't generate the same volume of ADU sales as Garden Grove or Anaheim, and that's exactly what makes the data from this month worth studying carefully. When inventory is thin and comps are sparse, individual transactions carry more weight — and the four properties in this month's data set tell four very different stories about how buyers and sellers are actually behaving in this market right now.
Here's a full breakdown of what's active, what went under contract, and what just closed.
Active Listings
5516 Paraguay Dr, Buena Park 90620 — $1,349,999 Brand new to market on July 24th. This is a fully remodeled single-story contemporary on a 6,725 sqft lot with a permitted 2-bedroom, 1-bath detached ADU built in 2025 (618 sqft, separate address, currently rented). The main residence is 4 bedrooms and 2 baths, 2,116 sqft, with luxury vinyl flooring, white shaker kitchen, and updated baths throughout. Major capital improvements include a new roof and 200-amp electrical panel. At $638/sqft for a turnkey SFR with a rented 2025 ADU, this is positioned well for both the house-hacker and the investor buyer. It's too early to read anything into the days on market — it's been live for 11 days as of this writing.
8601 Links Rd, Buena Park 90621 — $2,950,000 Listed June 26th and still active at 39 days. This is a professionally designed Mid-Century Modern single-story on a 13,200 sqft lot overlooking the Los Coyotes Country Club golf course — with a 400 sqft detached ADU (1 bed/1 bath, 2025, separate address, currently unrented) and a fully owned solar system on the main house. The property is exceptional by any measure: Sub-Zero appliances, new pool and spa, wrought iron fencing with unobstructed golf course views. But at $737.50/sqft and $2.95M, the buyer pool narrows significantly. The ADU is not generating income yet, which means a buyer has to underwrite both the purchase price and the rental upside simultaneously. That's a harder underwriting story at this price point — and 39 days of activity without a contract reflects it.
Under Contract
8744 Fillmore, Buena Park 90620 — $1,530,000 Listed April 27th and went under contract August 3rd — just 14 days after going active (it had a previous status change). This is the most interesting data point in this month's report. The property is a rare triple-unit configuration: the main home (3 bed/2 bath, 1,606 sqft, fully remodeled 2023) plus two detached ADUs both built in 2025, each with their own separate address, utilities meters, and private entrances. ADU one is a 3-bedroom/2-bath at 1,200 sqft generating $2,800/month. ADU two is a 2-bedroom/2-bath at 800 sqft generating $2,400/month. The main unit rents for $3,000/month. Total in-place gross rent: $8,200/month. The solar on both ADUs is fully paid off.
At $1,530,000 and $456/sqft, this is the lowest price per square foot of anything active in this data set — but price per sqft is the wrong metric when you're buying three income streams on one lot. The investor math here is straightforward enough that buyers who understand how to underwrite multi-unit properties with ADUs moved quickly when it hit.
Closed
4751 Saint Andrews, Buena Park 90621 — Listed $1,475,000 / Closed $1,420,000 This one took 103 days to close, started life at $1,650,000 in March, and eventually sold for $1,420,000 — $230,000 below original ask — with $38,400 in total concessions ($28,400 buyer broker fee plus $10,000 in closing costs). The main home is a 4-bedroom/3-bath, 2,133 sqft single-story in the Los Coyotes Country Club neighborhood on a large 10,648 sqft lot. The ADU is a Junior ADU — 1 bed/1 bath, 573 sqft, built 2024, attached to the main structure with a separate address and separate utility meters.
The price trajectory here is significant. A $230,000 reduction from original list to close over 103 days, with substantial concessions, tells you two things: the original pricing was optimistic for what the buyer pool would bear, and buyers made clear distinctions between this property and what ultimately sold at Fillmore. How a home with a JADU gets valued at appraisal is a different calculation than a detached ADU — and in a thin comp market like Buena Park, that gap matters more. Buena Park simply doesn't have enough closed ADU sales to give appraisers a deep comparable set, which makes pricing precision critical and overpricing costly.
What the Numbers Are Telling Us
Detached, income-producing ADUs are moving. Attached and unrented are sitting. The pattern across this data set is consistent. The property that went under contract fastest (Fillmore, 14 days) had two detached ADUs, both rented, and a clear income story. The closed sale that took the longest (Saint Andrews, 103 days) had an attached JADU that wasn't generating documented income at the time of sale. The premium-priced golf course listing (Links Rd) has been on for 39 days with an unrented ADU — and is likely to need time to find its buyer. This matches exactly what the Anaheim ADU market data from August 2026 is showing: buyers in North OC price ADU quality — detached vs. attached, rented vs. vacant — directly into their offers.
Buena Park's thin comp inventory creates real pricing risk. This is one of the structurally harder markets to price an ADU property in. Unlike Garden Grove or Anaheim, where there's enough volume to build a clean comparable set, Buena Park has a limited number of ADU-specific closed sales. Under Fannie Mae's appraisal guidelines, appraisers need comparable ADU sales to support income contribution at value — and in a thin market, they often can't find them. That forces appraisers to make adjustments, which introduces variance. The Saint Andrews price compression from $1.65M to $1.42M is partly a story about what happens when a property is overpriced against a thin comp set.
The investor buyer drives the fast transactions here too. The Fillmore deal moved in 14 days because the income case was completely built before the offer went in: three units, in-place leases, separate meters, $8,200/month gross, paid-off solar. A buyer running DSCR loan underwriting on that property doesn't need to estimate anything — the numbers are right there. Compare that to a property where the ADU is vacant or attached and the buyer has to model the income themselves, and you understand why the absorption speed is so different.
Price per square foot is the wrong lens for ADU properties. Fillmore sold for $456/sqft. Paraguay is asking $638/sqft. Saint Andrews closed at $666/sqft. The investor who bought Fillmore didn't buy it because it was cheap per square foot — they bought it because three income streams plus paid solar plus separate utilities justified the $1.53M purchase price. Before buying any ADU property in OC or LA, the right framework is income-first underwriting, not price per square foot.
For Sellers
If you own a property in Buena Park with a permitted ADU and you're considering a sale, the data here is a clear signal: pricing precision matters more in this market than almost anywhere else in North OC. With a thin comp set and a limited number of active buyers, an overpriced listing doesn't just sit — it bleeds. Saint Andrews started at $1.65M and closed at $1.42M after 103 days and nearly $40K in concessions. That's the cost of getting it wrong in a market with no margin for error.
The buyers for ADU properties in Buena Park are here — as Fillmore proved — but they're income-oriented and they know their numbers. Making sure your property is positioned correctly for that buyer — documented ADU income, permit history pulled, meters confirmed — is what separates a 14-day deal from a 103-day drag.
California's HCD ADU framework has made permitted ADUs standard statewide, but Buena Park's older housing stock means a meaningful percentage of the ADUs you'll find here were built before the state's streamlining era. Verifying that your ADU has a current certificate of occupancy and all required permits before you list — not after a buyer asks during due diligence — puts you in a completely different negotiating position.
For Buyers
Active inventory in Buena Park is genuinely thin. Two true active listings serving a market this size means the right property, when it shows up, doesn't wait. The Fillmore deal — 14 days from active to contract — is a reminder that well-positioned income properties in this market don't linger.
The two current active listings represent different buyer profiles. Paraguay Dr is the cleaner entry point: turnkey, rented ADU, recent construction, reasonable price point, new enough to market that negotiation room may be limited. Links Rd is a different conversation — premium estate-level pricing, exceptional property quality, but an ADU that's not currently generating income and a price point that requires a specific buyer. If you're patient and the golf course lifestyle is part of the equation, there may be more room there.
If you're buying a property with an existing ADU, the permit verification and due diligence checklist should happen before your offer, not after you're in escrow. In a market where comps are thin and unpermitted ADUs can affect appraisal and financing significantly, confirming permit status upfront is what protects your position.
Compared to the Garden Grove ADU market — which has stronger comp depth and more transaction volume — Buena Park is a lower-inventory market where individual deals carry more signal. That cuts both ways: when the right property surfaces, move fast. When something is sitting, there's usually a reason worth understanding before you write an offer.
If you want to talk through any of the active listings or get a customized search for ADU properties in Buena Park, reach out directly at (714) 860-2868.
What to Include in Your Purchase Contract When Buying an Occupied Property in Orange County
Buying a property with tenants already in place can be one of the smartest moves you make as a real estate investor — you're acquiring cash flow from day one instead of starting at zero. But occupied properties come with a layer of complexity that vacant properties don't, and the purchase contract is where you have the most leverage to protect yourself.
This is your window to ask questions and get answers on paper. Because if you don't ask before closing, you'll find out the hard way after.
Here's what should be in — or attached to — every purchase contract when the property has tenants.
Request the Income and Expense Statement
The first thing to ask for is a complete income and expense statement — at least 12 months, ideally 24. This isn't just a formality. If the seller has been accurately tracking it, you'll see exactly how the property has actually performed: what rent has come in, what it's cost to run, and how consistent the income really is.
More importantly, a well-kept income statement is essentially a payment history report. You can see which tenants have been paying on time every month, which ones run late, and whether anyone has a pattern of partial payments or gaps. That information changes how you think about a unit — a tenant paying $2,200/month sounds great until you notice they pay on the 20th every month instead of the 1st, and there's a three-month gap from last winter with no explanation.
If you're underwriting this as a rental investment, lenders will want to see documented income anyway. Getting clean records upfront gives you a head start on financing and prevents surprises during underwriting. This matters especially if you plan to use the property's rental income to qualify — how lenders count ADU and rental income on your mortgage application depends heavily on whether that income is documented with real lease agreements and verifiable rent history.
Require Copies of All Leases Before Closing
Every active lease needs to be reviewed before you sign off on this deal — not skimmed, actually read. You're looking for several things:
When is rent due? The lease will specify a due date and, often, a grace period before late fees kick in. California law allows landlords to charge late fees, but the lease has to spell out the terms. If the seller's lease says rent is due on the 1st with a 5-day grace period and a $50 late fee, that's what you're inheriting. If it says something different — or says nothing — you need to know that before you close, because California Civil Code §1947.3 limits how you can collect rent and what payment methods you're required to accept.
What's included in the lease that isn't obvious? This is the one that catches buyers off guard more than anything else. A tenant might be paying $1,800/month — but that number could include a parking space, a dedicated storage unit, a garage, or landscaping. If the lease says the tenant has exclusive use of the two-car garage and you were planning to use that garage for a future ADU conversion, that's a problem you need to understand now, not after you've closed and handed over keys.
Read every line of what the seller has promised the tenant in writing. Verbal agreements between landlord and tenant don't typically survive a sale, but written lease addenda do.
Are there any rent concessions or deferred rent agreements? Post-2020, a lot of landlords entered into repayment plans or rent reduction agreements that aren't visible from the rent roll alone. If a tenant owes back rent under a written agreement, you need to know whether that obligation transfers to you or stays with the seller. This should be addressed explicitly in the purchase contract.
Get the Security Deposit Accounting
Security deposits are the seller's liability until they become yours at close. Make sure the contract specifies the exact deposit amount held for each tenant and requires the seller to transfer those funds to you at closing. California Civil Code §1950.5 caps deposits at two months' rent for unfurnished units and three months for furnished — if the seller collected more than that, they're already in violation and that's now your exposure if you don't fix it.
Get documentation of what was deposited, when, and what (if anything) has been deducted from any tenant's deposit during the tenancy.
Ask About Pending Maintenance, Violations, and Complaints
Before escrow closes, ask the seller to disclose:
Any open code violations, habitability complaints, or notices from the city
Any tenant-initiated repair requests that haven't been addressed
Any pending or threatened legal action from tenants
In California, tenants have strong habitability protections. If a unit has a known issue — a broken HVAC, a roof leak, a mold concern — and you close without disclosing it, you inherit both the problem and the liability. If the seller has been ignoring a repair request, you'll be the landlord on record the next time the tenant calls code enforcement.
This is also the moment to verify whether the property's rental units are properly permitted. Unpermitted units come with real complications at appraisal and with lenders — and tenants in unpermitted units have additional legal protections under California law that could limit your options.
Clarify Tenant Protections That Apply to the Property
Depending on the city and when the property was built, your tenants may be protected under AB 1482, California's statewide just cause eviction and rent increase cap law. Properties covered by AB 1482 limit rent increases to 5% + CPI (capped at 10%) annually, and require just cause for any eviction after a tenant has been there 12 months.
Many cities in Orange County and LA County have additional local tenant protection ordinances that layer on top of state law. Some of those cities — including Long Beach — have multi-unit rental markets where tenant protections affect the property's long-term income potential in ways that show up clearly in an honest income analysis.
Understanding which protections apply before you're in contract determines how realistic your pro forma actually is. If you're planning to raise rents, reposition the property, or eventually move into one of the units, the answers to those questions live in California law — not in the seller's marketing flyer.
Use the Contract to Get Answers, Not Just Signatures
The purchase contract isn't just a formality — it's the only time the seller is legally obligated to disclose and deliver. Once you close, the leverage disappears. Any question you don't ask now is a question you'll have to live with later.
That means the contract for an occupied property should include, at minimum:
Copies of all current leases and addenda
12–24 months of income and expense statements
Documentation of all security deposits held
A schedule of all included amenities per unit (parking, storage, etc.)
Disclosure of any open repair requests, code violations, or legal notices
Confirmation of each tenant's rent payment history
Written confirmation of which tenant protections apply
Before you go under contract on any investment property in OC or LA, running through this checklist isn't optional — it's the difference between a deal that performs the way you underwrote it and one that surprises you on the other side of close.
If you're evaluating an occupied property and want to walk through what the numbers actually look like — or what questions still need answers before you write an offer — reach out. That's what the pre-offer analysis is for.
Ready to Start?
Schedule a Consultation with Dylan Serna through call or text at (714) 860-2868
How to verify a property is ADU-eligible before you close escrow in Los Angeles County
If you're buying a property with plans to add an ADU, you need to run a feasibility check during escrow — not after you close. Here's exactly how to do it.
Contact a reputable ADU contractor the day escrow opens
The moment you open escrow, reach out to a reputable ADU contractor. Don't wait. They'll loop in their architect and walk through a feasibility study for the specific ADU you have in mind — whether that's a detached unit, a garage conversion, or something else entirely.
A good contractor will already know the setbacks that apply to your property type and city. Under California state law, detached ADUs are generally allowed with four-foot side and rear yard setbacks — but local ordinances, lot constraints, and easements can all complicate that. That's exactly what the feasibility study is designed to catch.
If you're still in the research phase and haven't made an offer yet, check out what I look for before buying an investment property in OC or LA — ADU potential is always near the top of that list.
Get your preliminary title report and hand it to your contractor
As soon as it's available, pull your preliminary title report and send it straight to your contractor. The prelim is a property-specific document that shows a plot map of the lot along with any recorded easements, utility corridors, or other encumbrances that could eat into your buildable area. It usually comes within a few days of escrow opening.
This matters more than most buyers realize. An easement running through the back half of a lot can eliminate your setback clearance entirely and kill an ADU that looked viable from a satellite view. Corner lots tend to have more flexibility here, which is part of why they're a favorite among ADU investors.
The virtual feasibility meeting
Once your contractor has the prelim, they'll set up a virtual meeting with you. They'll use satellite imagery alongside the title report data to assess feasibility in real time — going over lot dimensions, setback clearance, access points, and whether the ADU you have in mind is actually buildable on this specific property.
In some cases they can meet you at the property in person, but heads up — some contractors do charge for site visits, so ask upfront.
If the feasibility check comes back green and you're thinking about what's next, take a look at how to finance a multi-unit ADU — because you'll want that lined up before permits even start.
Can I Have Gas in My New ADU in Orange County? What California Homeowners Need to Know
If you're planning a new ADU in Orange County or LA County, this question comes up constantly: Can I still use natural gas, or is California forcing me to go all-electric?
The short answer is yes — gas is still an option. But the path to getting there is more complicated than it used to be, and understanding the rules before you design your ADU will save you time, money, and surprises at the permit counter.
What Happened With the Local Gas Bans
For several years, it looked like gas was getting squeezed out of new construction entirely. Starting with Berkeley in 2019, a wave of California cities passed local ordinances — called "all-electric reach codes" — that banned gas in new buildings. Many homeowners assumed they'd have no choice but to go all-electric on any new ADU.
Then the legal landscape shifted. In April 2023, the Ninth Circuit Court of Appeals ruled in California Restaurant Association v. City of Berkeley that Berkeley's gas ban was preempted by federal law — specifically, the Energy Policy and Conservation Act (EPCA) — and struck it down. The court found that cities cannot ban gas appliances indirectly by prohibiting the pipes that supply them. Berkeley ultimately settled and agreed not to enforce its ban.
That ruling was binding across nine western states, including California, and it put the brakes on the patchwork of city-level gas bans that had been spreading. Other municipalities with similar reach codes saw significant legal challenges as a result.
So no, California never passed a blanket statewide mandate forcing new ADUs to be all-electric — and the city-level bans that many homeowners feared were struck down at the federal level.
What California's Title 24 Energy Code Actually Requires
The more relevant framework for your ADU today is California's 2025 Title 24 Energy Code, which applies to any ADU or JADU permitted on or after January 1, 2026. This code doesn't ban gas — but it makes going all-electric the path of least resistance.
Title 24 has two compliance pathways, and which one you use determines whether gas is realistic:
Prescriptive path — The simpler compliance route. For new detached ADUs, heat pump water heaters are the mandatory baseline. Choosing gas on this path is very difficult; the prescriptive requirements are designed around high-efficiency electric systems.
Performance path — The more complex route. Your designer or engineer models the ADU's total energy use and demonstrates it meets the state's overall energy budget. Gas appliances remain allowed here — if your design hits the required efficiency targets across the whole project.
California's 2025 code also replaced the old compliance metric with something called Long-Term System Cost (LSC), which measures 30-year energy costs. All-electric and heat pump systems score well under LSC. Gas systems can still comply, but they require more work on paper to get there.
This is also why whether your ADU is classified as new construction, an addition, or an alteration matters so much — the Title 24 obligations aren't identical across all three. And it ties directly to the solar question: if you're curious about when solar is and isn't required under Title 24 for ADUs and JADUs, that classification is the same starting point.
What This Means Practically if You Want Gas
If your ADU design includes a gas range, gas water heater, gas dryer, or gas furnace, here's what you're looking at:
The performance path for Title 24. Your designer will need to run the energy calculations to demonstrate compliance — this adds cost and time compared to the prescriptive path.
A new gas line. This typically requires its own trench, which increases cost — especially for detached ADUs located far from the main house's existing gas service. Expect additional plan check steps and potentially longer permit timelines in some cities.
Verify your specific city's rules. Not every city is the same. While the Berkeley ruling limited outright gas bans, some local ordinances may still add layers on top of the state framework. Always confirm with your city's building department before assuming what's allowed.
The HCD ADU Handbook sets the state-level baseline — your city applies its own layer on top. California's HCD ADU policy page is the authoritative reference for state law, and your local planning department is the final word on what's permitted in your specific jurisdiction.
Gas vs. All-Electric: What Are You Actually Choosing Between?
If gas is still on the table in your city and you're deciding which way to go, here's the honest comparison:
Gas gives you familiar cooking performance — many people strongly prefer gas ranges for temperature control and cooking feel. Upfront appliance costs are sometimes lower. And if your property already has an existing gas line running close to where the ADU will be, the hookup cost is reduced.
All-electric systems — specifically heat pumps — have become significantly more reliable and affordable, and they move through permitting faster in most California jurisdictions. Heat pump water heaters use up to 70% less energy than traditional gas water heaters. A heat pump HVAC system handles both heating and cooling in a single unit, which matters a lot for a compact ADU. And an all-electric design almost always clears the prescriptive path without the engineering overhead the performance path requires.
For investment ADUs — units you're building to rent — operating cost differences tend to matter less to your underwriting than getting the unit permitted and cash-flowing efficiently. If you're buying a property with an existing ADU, how the unit is configured — including whether it has separate utility metering — is one of the details worth confirming before you remove contingencies. Lenders and future buyers both care about this.
The Bottom Line
Gas is allowed in California ADUs. The state never passed a blanket mandate forcing all-electric, and the city-level bans that tried to get there were overturned at the federal level. What you're navigating is a Title 24 compliance framework that has made gas harder — not impossible — to include, and a local city landscape where rules still vary.
If you want gas appliances in your new ADU, talk to your designer early. The performance path adds complexity and cost, but it's not a wall. High efficiency is the real requirement — gas or electric, California wants your ADU to be a well-performing, energy-conscious unit. That's true regardless of which fuel you choose.
Questions about how utility configuration affects an ADU property's value or rental potential in Orange County or LA County? Reach out directly at (714) 860-2868.
How to Legally Terminate a Tenancy in 2026: What Orange County and LA Landlords Need to Know
If you own a rental property in Orange County or Los Angeles County — especially one with an ADU or junior ADU — the rules around ending a tenancy are not as simple as handing someone a piece of paper and asking them to leave. The Tenant Protection Act of 2019 (AB 1482) created a statewide framework that controls when, how, and with how much notice a landlord can terminate a periodic tenancy. Layer local ordinances on top of that, and the process gets specific fast.
This post walks through what's required in 2026 — notice periods, just cause reasons, relocation obligations, ADU-specific exemptions, and the form landlords need to use.
The Legal Foundation: AB 1482 and the Tenant Protection Act
California's AB 1482 does two things: it caps annual rent increases for covered tenants, and it requires just cause before a landlord can end a tenancy. Both provisions have exemptions — but those exemptions must be properly documented to hold up.
If your property is covered by AB 1482, you cannot terminate a tenancy without a legally valid reason. The law distinguishes between at-fault just cause (the tenant did something wrong) and no-fault just cause (the tenant did nothing wrong, but the owner has a legitimate reason to reclaim the property).
At-fault just cause includes things like non-payment of rent, lease violations, nuisance, and criminal activity. These terminations use separate CAR forms — the PRQ (Pay Rent or Quit), PCQ (Cure or Perform Covenant), or NTQ (Notice to Quit) — and generally carry 3-day timelines.
No-fault just cause is where the Notice of Termination of Tenancy (C.A.R. Form NTT) comes in. The four allowable no-fault reasons under AB 1482 are:
Owner or family member move-in — the owner, spouse, domestic partner, parents, grandparents, children, or grandchildren intend to occupy the unit
Withdrawal from the rental market — the owner is pulling the unit off the market entirely
Demolition or substantial remodel — the unit must be vacated to complete the work
Government or court order — a habitability order or local ordinance mandates the vacancy
For each of these, the required notice period is 60 days, and the tenant is entitled to relocation assistance equal to one month's rent — either as a direct payment within 15 calendar days of the notice, or as a waiver of the final month's rent.
Notice Periods: 30 Days vs. 60 Days
For tenancies not covered by AB 1482 (more on that below), the notice period depends on how long the tenant has lived in the unit:
30 days — if at least one tenant has occupied the premises for less than one year
60 days — if all tenants have occupied for one year or more
90 days — if the tenant is a beneficiary of a government rental housing assistance program
For no-fault terminations under AB 1482 (covered properties), the notice is always 60 days — and it must state the specific just cause reason. A generic notice without a stated reason is legally defective and won't support an unlawful detainer action if the tenant refuses to leave.
The ADU Exemption Most Owners Don't Know They Have
Here's where ADU owners in particular need to pay attention. Under AB 1482, single-family owner-occupied residences where the owner rents no more than two units or bedrooms — including ADUs and junior ADUs — are exempt from just cause eviction requirements.
This means: if you live in the main house on a single-family lot and rent out an attached ADU or JADU, you likely don't need a no-fault just cause reason to terminate that tenancy. You can end the tenancy with proper notice alone.
But the exemption only holds if:
The owner gave proper written notice of the exemption before or at the start of the tenancy (a Civil Code § 1946.2(e)(8)(B)(i) notice)
The property is not owned by a corporation, LLC with a corporate member, or REIT — it must be owned by a natural person
If that exemption notice was never served, you may lose the ability to claim it now. This is one of the things worth checking before you write any offer on an investment property in OC or LA — the prior owner's compliance history can become your problem.
Other common AB 1482 exemptions include:
Buildings constructed within the last 15 years — as of 2026, that means units built after 2011
Owner-occupied duplexes — if one unit was owner-occupied at the commencement of the tenancy and throughout
Tenants who share kitchen or bathroom facilities with the owner
Los Angeles County: The Local Layer
If your property is in the City of Los Angeles, AB 1482 is not the only framework you're working under. The City has its own Just Cause for Eviction Ordinance (JCO) — and it's stricter than state law in several ways.
Under the LA JCO, any written notice terminating a tenancy must be filed with the Los Angeles Housing Department (LAHD) within three business days of serving it on the tenant. Miss that window and your notice has procedural problems.
Owner move-in evictions under the LA JCO also come with a 36-month owner occupancy commitment. If you move in a family member and they're gone in 6 months, that's a problem. The LAHD eviction notice page has current filing requirements and checklists.
If your property is in unincorporated LA County — not inside any city limits — you're operating under county rules rather than the City of LA's ordinance. LA County's 2026 ADU ordinance amendments changed some of the development rules this year, but the eviction framework for unincorporated areas still runs primarily off state law. Verify your jurisdiction before you assume the same process applies.
For investors buying multi-unit properties in LA County with the intent to add density or eventually reclaim units, understanding the termination framework for existing tenants is as important as understanding the construction pathway for new units. Both affect your timeline.
Orange County: State Law Is the Baseline
Most cities in Orange County do not have their own local rent control or just cause eviction ordinances — they operate under California's statewide AB 1482 framework. That means the notice periods, just cause requirements, and exemptions described above are the operative rules.
Markets like Anaheim, Garden Grove, and Costa Mesa follow the state framework. For landlords in those cities, the process is cleaner: identify whether your property is covered or exempt, serve the correct notice, and comply with state-level relocation assistance rules if the termination is no-fault and the property is covered.
That said, if your property is in a city with its own ordinance — even a partial one — you need to verify local rules before you serve anything. Penalties for non-compliance with local tenant protection laws can be significant.
How to Serve the Notice Correctly
Under California Code of Civil Procedure § 1162, there's a required order of service methods. Email does not satisfy the legal service requirements.
Service must be attempted in this order:
A. Personal service — hand the notice directly to the tenant
B. Substituted service — if the tenant isn't home, leave a copy with a person of suitable age and discretion at the tenant's residence or usual place of business, and mail a copy to the premises
C. Post and mail — only if the tenant's residence or usual place of business cannot be ascertained, or no person of suitable age and discretion can be found there: post a copy in a conspicuous place on the premises and mail a copy
D. Certified or registered mail — an alternative to A/B/C, but requires additional time before you can file a legal action: 5 extra days if served in California, 10 days for another state, 20 days if outside the US
If you shortcut this and serve by email only, your notice doesn't start the clock — and an unlawful detainer filing based on it will likely be challenged.
The Form: C.A.R. Form NTT (Revised 3/24)
The California Association of REALTORS® Notice of Termination of Tenancy form (NTT, Revised March 2024) is the standard form for periodic tenancies. The form has you make one key determination upfront:
Is the property or tenancy covered by AB 1482? If yes, complete paragraph 2. If no, complete paragraph 3. Never complete both.
For covered properties (paragraph 2), you check the applicable no-fault reason and note the relocation assistance being provided. For non-covered properties (paragraph 3), you select the applicable notice period based on tenancy length.
The form includes a proof of service section that documents how and when the notice was served — keep a completed copy for your records.
What This Means If You're Selling a Property With Tenants
If you're selling a property with a tenant in place and the buyer intends to occupy it, there's a third-party timeline you need to coordinate around. Under certain conditions, you can issue a 30-day notice when the property is in escrow and the buyer is a natural person who intends to occupy the premises for at least one year — but the conditions are specific: escrow must have been opened within the prior 120 days, and the tenant cannot have previously received a termination notice.
What you need to know before buying a property with an existing ADU covers the buyer-side analysis in detail, including how existing tenancies affect financing, appraisal, and deal structure. For sellers, the tenant's occupancy status — and whether the right termination notices were ever served — is part of the disclosure picture.
In Long Beach's current buyer's market, where multi-unit properties are sitting longer than they have in years, sellers who understand their tenant situation — and have a clean paper trail on any past notices — are closing faster than those who don't.
Bottom Line
If you own rental property with an ADU in Orange County or LA County in 2026, the framework for ending a tenancy looks like this:
Determine coverage: Is your property covered by AB 1482 or exempt? (The ADU-on-owner-occupied-SFR exemption is the most commonly missed one)
Identify the reason: No-fault requires a specific allowable reason if covered; a 60-day notice with the reason stated
Calculate notice: 30 or 60 days depending on tenancy length; 60 days for all no-fault covered terminations
Pay relocation assistance: One month's rent, either waived from final month or paid within 15 days — mandatory for covered no-fault terminations
Serve correctly: In writing, via the legally required method — personal, substituted, or post and mail in that order
File with LAHD within 3 business days: Required for all City of LA terminations
There are substantial penalties for getting this wrong. If you're uncertain whether your property is covered, whether the right exemption notices were ever served, or how a local ordinance affects your situation, consult a qualified California real estate attorney before you serve anything.
Ready to Start?
If you are looking to sell your Investment Property that has existing tenants and need a consultation, call or text Dylan Serna for tenant occupied sale consult at (714) 860-2868
Dylan Serna is an ADU specialist real estate agent serving Orange County and Los Angeles County. If you're buying, selling, or investing in ADU properties in Southern California, start here.
Orange ADU Market Update — August 2026: What's Active, What Just Closed, and What the Numbers Say
Orange is one of the most interesting ADU markets in Orange County right now — and not just because of price. You've got two completely different buyer pools operating in the same city simultaneously: investors and house-hackers hunting for income properties near Chapman University, and buyers pursuing premium estate-level ADU homes in Orange Park Acres. The data from this month reflects both stories clearly.
Here's a full breakdown of what's active, what went pending, and what actually closed.
Active Listings
2929 E Hamilton, Orange 92867 — $1,425,000 Listed July 4th and still active at 30 days. This is a 1,972 sqft single-story ranch on a large 8,856 sqft cul-de-sac lot with a 572 sqft detached, permitted ADU (1 bed/1 bath, separate entrance, separate gated backyard). The ADU is a genuine standalone unit with its own kitchen, central A/C, and stackable laundry — not a converted garage. The main house is 1,400 sqft with 2 bedrooms and 2 baths, fully upgraded. At $1,425,000 for this combination of lot size, ADU quality, and cul-de-sac position, it's priced fairly for what you're getting. The fact that it's still active after 30 days likely reflects the current buyer pool working through financing rather than a pricing problem.
390 N Milford, Orange 92867 — $1,599,000 (reduced from $1,665,000) This one has been on the market since April 15th — 110 days as of this writing. That's a meaningful data point. It's a 3,387 sqft two-story home with a 462 sqft attached Junior ADU, solar owned, and solid finishes throughout. The price reduction from $1,665,000 tells you the market responded to the original ask. At $472/sqft for a larger home with a JADU, the adjusted price is more competitive — but how an ADU-equipped home gets valued at appraisal depends heavily on comparable sales with similar unit configurations, and the JADU market in this price range has fewer direct comps than the detached ADU segment.
Under Contract
11061 Meads, Orange 92869 — $1,775,000 Listed July 5th, under contract July 13th — 27 days to get an accepted offer. That's a fast result for a $1.775M property, and it tells you something about how Orange Park Acres ADU inventory gets absorbed when it's priced right. This is a nearly full-acre equestrian property with a 2,090 sqft single-story ranch main home and a spacious 890 sqft one-bedroom ADU above a detached three-car garage. Horse facilities, pool, and direct trail access. The ADU alone — positioned over a finished three-car garage on an acre lot — is the kind of unit that pencils well as either a caretaker's quarters or a straight rental. The fact that it went under contract in under a month at this price signals active buyer demand in the OPA equestrian segment when the income component is clearly presented.
Pending
1103 W W Maple Ave, Orange 92868 — $1,195,000 (reduced from $1,249,000) Under a mile from Chapman University and Downtown Orange. The main home is a 3-bedroom, 1-bath traditional on a 7,239 sqft corner lot with a separate ADU (1 bed/1 bath) behind the detached garage. This is a fixer — listed in "fixer" condition — but the ADU is already built, and the location drives demand regardless of condition. Investor or ADU-specific buyers near Chapman are running income-first underwriting: they want to know the ADU is permitted, functional, and rentable. If you're buying a property with an existing ADU near a demand driver like Chapman, verifying permit status and certificate of occupancy before offer is essential — not after you're in escrow. Went pending July 27th after 43 days.
1200 W Sycamore, Orange 92868 — $1,480,000 (reduced from $1,499,000) This one is a fully leased income property near Chapman generating $8,600/month in total rent — $6,600 from the main 6-bedroom residence and $2,000 from a brand-new 2025 ADU (400 sqft, 1 bed/1 bath, leased through June 2027). At $103,000+ in projected annual gross income, this is being marketed and bought as an investment — not just a home with an ADU. The 2025 construction on the ADU means no deferred maintenance and full code compliance. Lenders treating ADU rental income at underwriting for a property like this — with in-place leases and a new ADU — have a cleaner documentation package to work with than most. Went pending July 26th after 49 days.
Closed
826 N Orange, Orange 92867 — Listed $1,250,000 / Closed $1,310,000 (+4.8% over ask) Closed June 19th after just 21 days on market. This is the headline number from this month's report. A 1,700 sqft home near Chapman with a detached studio/granny unit generating $5,100/month in total rent — and it sold $60,000 over asking price, cash. The buyer profile here is exactly what I look for when evaluating investment properties in Orange County: near-zero vacancy history, turnkey condition, strong demand driver (Chapman), and dual income streams already established. Properties like this don't sit. When they're priced right and positioned correctly for the investor buyer pool, they move fast and go over asking.
359 N Harwood, Orange 92866 — $1,420,000 (off-market, sold same day) Old Towne Orange, Craftsman architecture, 2,016 sqft with hardwood floors and arched doorways. The ADU is a remodeled 420 sqft upper-level unit above the detached two-car garage, currently rented. This sold off-market — the same day the contract was signed, with zero days on market — and was entered into the MLS for comp purposes only. That's a clean signal: the seller knew their buyer before the property ever hit the public market. If you own a well-positioned ADU property in Old Towne Orange, knowing what it's actually worth before you list — or before you sell off-market — is the difference between leaving money on the table and capturing full value.
634 E Adams Ave, Orange 92867 — Listed $1,995,000 / Closed $1,940,000 A larger pool home near Chapman/Old Towne with a detached, permitted 683 sqft ADU (1 bed/2 bath) at a separate address. This took 93 days to close — longer than the Chapman-adjacent properties that moved in 21-49 days — and sold 2.8% below list after starting at $2,088,000. The discount from the original price to close is about $148,000 total. The property is genuinely premium — paid solar, EV charging, resort backyard, wheelchair-accessible layout — but at $1.9M+ the buyer pool narrows significantly. Under Fannie Mae's appraisal guidelines for ADU properties, the appraiser needs comparable ADU sales to support the value, and in this price range in Orange, comps are limited. That dynamic affects both pricing and time-to-close on premium ADU properties.
10845 N Meads, Orange 92869 — Listed $3,895,000 / Closed $3,450,000 The equestrian outlier. A 5,761 sqft, 6-bed, 6-bath estate on 1.06 acres in Orange Park Acres with a Junior ADU, lighted riding arena, covered horse stalls, and panoramic views. Sold for $445,000 under list after 134 days on market — the longest DOM in this data set. The original ask was $4,250,000. That price compression over 134 days on a property with a JADU attached to the main home shows how illiquid the ultra-premium ADU segment can be, even when the underlying asset is exceptional.
What the Numbers Are Telling Us
Chapman corridor properties are moving fastest. The two closed sales in the Chapman/Old Towne zone — 826 N Orange (21 days, over asking) and 359 N Harwood (0 days, off-market) — confirm what investors already know: ADU properties near Chapman University have a compressed buyer pool that acts decisively. Demand is real and consistent.
Price point drives days on market more than location. Below $1.5M, properties with established ADUs moved in under 50 days. Above $1.9M, they averaged 93-134 days and required price reductions. If you're selling an ADU property in Orange above $1.8M, build that absorption timeline into your expectations.
The investor buyer is driving the fast transactions. The three quickest deals — 826 N Orange, 359 N Harwood, and 11061 Meads — all had clearly defined income components and went to buyers who understood exactly what they were underwriting. The properties that sat longer (390 N Milford, 634 E Adams) required buyers to do more work to model the value.
Active inventory is thin. With only two true active listings as of August 2026, buyers don't have a lot of options. If a permitted detached ADU property hits in the right Orange submarket at the right price, competition is real.
Compared to the Garden Grove ADU market in July 2026 — which has stronger comp depth and more volume — Orange is a tighter, lower-inventory market where individual deals move the needle more. That cuts both ways: fast absorption on well-positioned properties, but longer sits on anything that needs buyer education on value.
For Sellers
If you own a property in Orange with a permitted ADU and you're thinking about timing, the data favors acting while inventory is this thin. Two active listings serving a city of 140,000 is low. The buyers are here — the Chapman investor pool, the multigenerational family buyers, the house-hackers — and they're not waiting.
California's HCD ADU framework has made permitted ADUs more common statewide, but in Orange specifically, older permitted units (like the 1997-vintage ADU at Hamilton) are still relatively rare as a percentage of the total housing stock — which is part of why they command premium pricing when they do come to market.
The City of Orange Planning Division can confirm permit status, certificate of occupancy, and any recorded ADU documentation for a given parcel — worth pulling before you list, not after a buyer asks.
For Buyers
Inventory is limited, and the best-positioned properties aren't sitting long. 826 N Orange went over asking in 21 days. 359 N Harwood never even made it to market. If you're serious about buying an ADU property in Orange, you need to be ready to move when the right one comes up — with financing pre-structured and your investment thesis already built.
The two current active listings (Hamilton and Milford) represent different buyer profiles: Hamilton is cleaner, better ADU configuration, faster decision. Milford is larger square footage but has been sitting at 110 days — there may be negotiation room there for a patient buyer.
If you want to talk through any of the active listings or get a customized search for ADU properties in Orange, reach out directly at (714) 860-2868.
You've Been Looking for Over a Year for an ADU potential Property in Orange County. Here's Why You Still Haven't Bought — and What to Do About It.
You know what you want. A single-family home with an ADU — or at least the lot to build one. You've been running Zillow searches for months. Maybe over a year. You've bookmarked properties, run some napkin math, driven past a few addresses. You're not new to this.
But you haven't bought yet.
And if you're being honest with yourself, it's not really about the market. It's not that you can't afford it. It's that somewhere in the back of your mind, there's a voice saying: I don't have enough information to know if this is the right move.
That voice is costing you time. And in a market where Garden Grove and Anaheim are closing above list price and inventory keeps compressing, time has a price tag.
So let's close the information gap.
The Real Reason ADU Buyers Stay Stuck
Most buyers who've been searching for a long time aren't stuck because of fear. They're stuck because they're trying to make a high-confidence decision with incomplete data. They've read articles, watched YouTube videos, maybe even talked to a general agent — and they still don't have clear answers to the questions that actually matter.
Questions like:
How much will the ADU actually rent for — not in theory, but in this specific city?
How does a lender look at this property? Can I use the rental income to qualify?
What makes one property a good ADU candidate and another one a money pit?
If the ADU is already there, how do I know if it's permitted — and does it matter?
What will this property be worth when I eventually sell?
These aren't vague concerns. They're the exact questions you need answered before you can move forward with confidence. Let's go through them one by one.
Question 1: What Will the ADU Actually Rent For?
This is the one that unlocks everything. If you know the rental income, you can build a real cash flow model. If you're guessing, every other number is shaky.
The answer varies significantly by city, unit size, and neighborhood. In Long Beach, for example, closed comps show ADU rents ranging from the $1,500s for a studio to well over $2,400 for a 2-bedroom — but those numbers shift block by block. In Orange County cities like Garden Grove and Anaheim, the numbers tell a different story, and Buena Park tends to fly under the radar despite offering some of the strongest long-term fundamentals in the county.
The point isn't that there's one right number. The point is that the real number is knowable — and knowing it is what separates buyers who act from buyers who keep searching.
Question 2: How Does Financing Work — and Can I Use the Rental Income to Qualify?
This one trips up a lot of buyers, especially first-timers. The good news: lenders can count ADU rental income to help you qualify for the mortgage — but the rules are specific and lender-dependent. Not every loan program handles it the same way, and how much of that income counts varies.
For buyers looking at investment properties with ADUs, DSCR loans have become one of the most practical options because they underwrite based on the property's income rather than your personal W-2. That's a game-changer if you're self-employed, own other properties, or your debt-to-income ratio doesn't play well with conventional underwriting. One thing to know upfront: FHA is usually the wrong move for multi-unit or ADU properties — the restrictions on unit count and condition can kill deals that otherwise pencil well.
The financing piece isn't something to figure out later. It shapes what properties you can buy and what terms you can offer. Getting clarity on it early puts you in a completely different position as a buyer.
Question 3: What Makes a Property a Good ADU Candidate?
Not every lot is created equal. Setback requirements, lot coverage limits, utility access, existing structures — these all determine whether you can build an ADU (and what size), or whether you're buying a dream that the city won't approve.
Corner lots, for instance, tend to offer the most flexibility for ADU construction and SB 9 splits because of their dual street frontage and reduced setback conflicts. But even non-corner lots can work — it's about reading the specific parcel, not just the general rule.
Before making an offer, there are specific things worth checking that most buyers miss: utility configuration, access to the rear yard, existing unpermitted structures that could complicate permitting, and lot dimensions that may limit unit size even if the city allows an ADU in principle.
This is where working with someone who does this daily matters. An ADU specialist can look at a listing and tell you in five minutes whether the lot has real potential or whether it's going to fight you at every step.
Question 4: If the ADU Is Already Built, How Do I Know If It's Permitted — and Does It Matter?
It matters a lot, actually. An unpermitted ADU is treated very differently at appraisal than a permitted one — which affects what your lender will approve, how the property is valued, and what you inherit as a buyer. In some cases it's a fixable situation. In others, the path to legalization is expensive enough to change the math entirely.
California's ADU law through HCD gives homeowners broad rights to build and legalize ADUs — and the 2026 HCD ADU Handbook updated the guidance on what cities can and can't restrict. But knowing the state framework is different from knowing how your specific city applies it. That gap is where buyers get surprised.
If you're buying a property with an existing ADU, there's a specific due diligence checklist that should happen before you remove contingencies — not after.
Question 5: What Will This Property Be Worth When I Eventually Sell?
This is the question sophisticated investors ask that first-timers often skip. You need to know the exit, not just the entry.
The answer depends on how the appraiser treats the ADU income. In Orange County, an appraiser's approach to a home with an ADU can swing the valuation significantly depending on whether they use the income approach, the sales comparison approach, or a blend. Fannie Mae's appraisal guidelines have specific instructions on how ADU income gets weighted — and Fannie Mae's 2026 ADU income policy clarified when that rental income can be used in underwriting for the eventual buyer of your property, too.
This matters because a property that appraises well and qualifies for conventional financing is a property with a much larger buyer pool when it's time to sell. That's your exit strategy.
This Is Exactly What Dylan Serna Helps Buyers Work Through
Dylan Serna is an ADU specialist agent working in Orange County and LA County. He's not a generalist who dabbles in ADU properties — this is the work. He helps buyers at every level, from first-time investors who've never owned a rental unit to seasoned buyers adding to a cash-flowing portfolio, find single-family homes with ADUs (or the potential to build one) that actually make sense on paper.
The buyers he works with aren't guessing at rental comps or hoping the financing figures itself out. They come into offers knowing their numbers because Dylan has walked through the specific property with them — the lot, the permit history, the rental potential, the financing structure, and what it will look like on the other side.
If you've been searching for over a year and you're still not in contract, the issue probably isn't the market and it probably isn't your budget. It's that you haven't had someone in your corner who can translate all the variables into a clear, confident answer.
That's what changes when you work with Dylan.
Ready to stop searching and start buying? Dylan works with buyers across Orange County and LA County who are serious about ADU investment. If you want to know whether the properties you've been eyeing actually pencil — and what it would take to move forward — reach out to Dylan directly and have a real conversation about your situation.
Anaheim ADU Market Update — August 2026: What the Numbers Actually Show
The Anaheim ADU market right now is not a slow market. It's a selective one. Buyers are active, they have real conviction about what they want, and when they find it, they're paying for it. When they don't, a listing just sits.
Here's what's actually happening across active, pending, and recently closed ADU properties in Anaheim as of August 2026.
Sales Price to List Ratio: The Gap Between Good and Great ADUs
The closed sales from the past 60 days tell a clear story.
940 N Garden Street closed at $1,480,000 — exactly list price, 100% SP/LP ratio — in just 24 days. This was a triplex configuration: main house plus a brand-new 2-bedroom/1-bath standard ADU (740 sq ft) and a junior ADU (360 sq ft), both built in 2024. Conventional financing, no concessions.
802 S Cinda Street closed at $1,550,000 — fractionally over list — in 23 days. The detached ADU here was a fully independent 2-bedroom/2-bath unit at 900 sq ft, with its own electric and gas meters. Original list was $1,449,998 before a price adjustment. When it went back to market positioned correctly, it closed above the re-list price. Conventional.
738 N Lemon Street, in contrast, closed at $1,010,000 — about 96.2% of list — on a property where the ADU was a newly built 260 sq ft attached studio. It moved in 16 days, which isn't slow. But the 3.8% gap between list and close reflects what buyers think of a token ADU versus a functional income unit. They'll still buy it — they just won't pay full price.
Put those three together and you have an average SP/LP around 98.7% across closed sales. But the real pattern isn't the average — it's that the properties with substantial, independent ADUs closed at 100% or above, and the one with a small studio ADU closed below list. Buyers are pricing ADU quality into their offers.
How a home with an ADU gets valued at sale comes down partly to whether an appraiser can actually support the income contribution. A 260 sq ft studio and a 900 sq ft detached 2/2 are in different categories when Fannie Mae's appraisal guidelines are applied to the valuation — and buyers who understand this are bidding accordingly.
Buyer Activity: Present, But Patient
Anaheim's broader housing market is running around a 100.7% sale-to-list ratio for May 2026 with homes receiving roughly 3 offers on average and selling in around 49 days. ADU properties track that activity, with a meaningful split between properties that move and ones that don't.
What the active and pending inventory tells us:
11822 Moen — listed at $1,099,000, then repriced to $1,148,000, and went under contract at the higher price in 72 days. The ADU is a detached 2-bedroom/2-bath, 800 sq ft standard unit built in 2022 with a separate address and separate electric meter. That's the buyer profile showing up: willing to pay above original ask when the ADU is a genuine rental unit.
1265 N Potomac — went pending in 90 days after a $50,000 price reduction (from $1,299,999 to $1,249,000). The ADU here is a 500 sq ft attached 1-bedroom/1-bath, built 2018. Solid unit, but attachment to the main home and smaller footprint put a ceiling on what buyers would pay.
The buyers who are writing offers are doing their homework. What they're looking for before buying a property with an existing ADU — permit status, meter separation, actual income potential — is being checked before the offer goes in, not after.
What's Selling Faster: ADU Type and Configuration Matter More Than You Think
The pattern across this data set is consistent enough to be useful to sellers and buyers both.
What moves:
Detached standard ADUs with 2 bedrooms and 2 bathrooms, 700–900 sq ft, built 2022 or newer, with separate utility metering. These properties are selling in 16–72 days and closing at or above list. The income case is obvious to buyers: a 2/2 ADU in West Anaheim rents for roughly $1,800–$2,400/month depending on finishes and location. When a buyer can walk the unit, confirm the permits, and see a separate meter, they can underwrite it. They don't have to guess.
Multi-unit configurations where the ADU is already occupied and generating income are also drawing investor attention quickly. The 940 N Garden triplex (ADU + JADU, both rented) selling in 24 days at list is a clean example. Investors who are building cash-flowing portfolios don't hesitate when the income is already in place and documented.
What's sitting:
Small ADUs in the 260–462 sq ft range. 645 S Trident has been active for 197 days — a 462 sq ft studio ADU that started at $1,048,000 and has since been reduced to $998,000. 3143 Coolidge has been active for 165 days with a 336 sq ft detached ADU, originally at $1,599,999, now $1,550,000. At those sizes and price points, buyers are asking themselves whether the ADU actually produces enough income to justify the premium. Often they decide it doesn't.
The distinction isn't complicated. A 900 sq ft detached 2/2 with separate metering is a second rental property on the same lot. A 336 sq ft studio with shared utilities is a bonus room with a kitchenette. Buyers in this market know the difference, and they price their offers around it.
Whether your ADU is classified as a standard ADU or JADU has real implications for how buyers and lenders evaluate the income — and California's HCD ADU handbook is the baseline that determines what's required for each type.
The Seller Takeaway
If you're sitting on a property in Anaheim with a permitted ADU and wondering why it hasn't moved, the answer is almost certainly in one of two places: pricing against the wrong comp set, or an ADU that buyers can't confidently underwrite.
Properties with functional, detached, 2BR/2BA ADUs are closing at full price in three to four weeks. Properties with smaller or attached units are either sitting for months or closing below list. If you're in the latter category, the question isn't whether to sell — it's whether your pricing and positioning reflect what this buyer pool is actually willing to pay.
If you want a current read on what your specific Anaheim property with an ADU is worth in today's market, reach out directly.
Dylan Serna | ADU Specialist | DRE #02217359 Call or text: (714) 860-2868 | adurealtor.net | Free ADU Seller Kit
What You Need to Know When Buying a Tenant-Occupied Property for Orange County (Multi-Units and ADUs)
Buying a duplex, triplex, fourplex, or a property with an existing ADU is one of the most powerful ways to build income and long-term wealth in Southern California. But when tenants are already living in the units, the transaction works differently than a standard purchase — and there's a specific contract addendum that governs exactly how.
That addendum is the Tenant Occupied Property Addendum, or C.A.R. Form TOPA. If you're buying any property with occupants in place — whether it's a fourplex in Long Beach, a duplex with an ADU in Garden Grove, or a single-family home with a rented secondary unit — this form is part of your contract. Understanding what it covers will make you a more informed buyer and help you avoid surprises once you're in escrow.
The Core Question: Do Tenants Stay or Do They Go?
The first thing the TOPA establishes is whether you're taking the property subject to existing tenants or requiring it to be delivered vacant.
If tenants are remaining, you step into the seller's shoes as landlord on the day escrow closes. All existing leases, rental agreements, and tenancies are assigned to you at close. You inherit the lease terms, the rent rate, and whatever rights the tenant has under their agreement. This is the most common scenario on income properties — and in most cases, it's actually the preferred one, since in-place tenants mean in-place income from day one.
If you're requiring vacant delivery, the seller must exercise good faith efforts to remove the tenants before close of escrow. If they're unable to do so and California's Tenant Protection Act applies to the property, you may have limited options — the TOPA gives you the right to cancel and recover your deposit and inspection costs, or to proceed with tenants in place and waive further claims. Understanding which markets and property types fall under Just Cause eviction rules is part of the pre-offer due diligence I run on every investment property in OC and LA.
Security Deposits Transfer Through Escrow
This is a detail that buyers sometimes miss until they're deep in escrow: the seller's security deposits don't just disappear at close — they transfer to you through escrow.
Under the TOPA, the seller is required to transfer all unused tenant security deposits and any prepaid but unearned rents to the buyer through escrow, prorated as of close. This is significant for a few reasons:
It means you walk in as the new landlord already holding deposit funds you'll be responsible for when those tenants eventually move out
The seller must also disclose any tenant delinquencies — and if elected in the contract, credit you for any delinquent rent prorated to close
California Civil Code requires the seller to notify each tenant that their deposit is being transferred to the new owner
This is one more reason a clean rent roll matters before you write an offer. Why investors are buying multi-unit properties in LA County right now comes back partly to this: the documentation you receive at close determines how cleanly you can operate the asset from day one.
Income and Expense Statements (Optional)
One of the checkbox items on the TOPA is whether the seller will provide income and expense statements — specifically, the books and records for the property including a statement of income and expenses for the 12 months preceding acceptance.
This is optional, but I almost always recommend checking this box when negotiating. Here's why: the rent roll the seller provides in the rental statement tells you what tenants are paying and what the deposits look like. The income and expense statement tells you what the property actually costs to operate — utilities, maintenance, management fees, insurance, and any other carrying costs the seller has been running through the property.
Without this, you're underwriting on gross income alone. With it, you can model real net operating income and stress-test the cash flow before you remove contingencies. For DSCR loans on multi-unit investment properties, lenders are underwriting on the property's actual income and expenses — so having this documentation early also helps your financing move faster.
The TOPA also confirms that seller represents these documents are those maintained in the ordinary course of business and used in computation of federal and state tax returns. That's meaningful — it's a representation that what you're seeing is the real picture, not a number constructed for the sale.
Tenant Estoppel Certificates (Optional)
The other key checkbox item is the Tenant Estoppel Certificate (C.A.R. Form TEC). This is a document completed by the seller or seller's agent and then delivered to the tenant for the tenant to sign, acknowledging:
That their rental or lease agreement is unmodified and in full force and effect (or if modified, stating exactly what changes were made)
That no lessor defaults exist — meaning the landlord hasn't violated the lease
The exact amount of any prepaid rent or security deposit they've paid
Why does this matter? Because sometimes what's in the lease on paper and what's actually happening between landlord and tenant have drifted apart. Maybe the landlord verbally agreed to lower the rent for a few months. Maybe there's an informal side agreement about parking or utilities. The estoppel certificate is the tenant's direct confirmation that the written lease is the operative agreement — no hidden modifications, no claims the landlord is in default, no undisclosed prepaid amounts.
One important caveat: the seller must exercise good faith to get the tenant to sign, but cannot guarantee cooperation. If a tenant refuses to sign, the seller must still notify you and provide the unsigned certificate. If a tenant signs and returns it after the delivery deadline, the seller is required to forward it to you.
For any property where you're what you need to know before buying a property with an existing ADU — especially one where tenants have been in place for years — an estoppel certificate is one of the cleaner ways to get direct, signed confirmation from the tenant themselves about the state of the tenancy.
Permits: Ask for Everything
Under the TOPA's seller documentation requirements, if permits are in the seller's possession, the seller shall deliver to you copies of all permits and approvals — including certificates of occupancy, conditional use permits, development plans, and any licenses pertaining to the operation of the property.
This matters enormously on ADU and multi-unit properties. An ADU that was built without permits, a garage conversion that was never signed off, a unit addition that doesn't have a certificate of occupancy — these are all issues that surface at appraisal, at financing, and at your eventual resale. An unpermitted ADU gets treated very differently at appraisal — lenders may not be able to count the income, and buyers may not be able to use conventional financing when you go to sell.
The permit delivery requirement in the TOPA doesn't force the seller to go obtain permits they don't have — it's limited to what's in their possession. But it does create a disclosure obligation, and if permits don't show up, that's a flag that needs to be investigated during your contingency period. Pull the property's permit history through the city yourself. The California HCD ADU handbook outlines what proper permitting looks like under state law — which sets the floor that every city must meet.
Proposed Changes: Lease Modifications Before Close
One underappreciated protection in the TOPA: if the seller wants to make any changes to existing leases, enter new rental agreements, or change the condition of the property before close, they must give you at least 7 days' written notice before making those changes. You then have 5 days to object — and if you do, the seller cannot proceed.
This protects you from a seller who might try to lower rents to help a friend, lock in a new tenant on unfavorable terms, or quietly change lease conditions between acceptance and close. On multi-unit deals especially, the rent roll you underwrote should be the rent roll you receive at close.
Government Compliance and the Rent Cap/Just Cause Layer
The TOPA is explicit that no warranty is made about compliance with rent control, occupancy limits, or your ability to remove tenants. If California's Tenant Protection Act applies — which it does for many multi-unit properties that are more than 15 years old and not owner-occupied — there are real limits on how much you can raise rents and what qualifies as just cause for eviction.
The TOPA references the Rent Cap and Just Cause Addendum (C.A.R. Form RCJC-TOPA) as an additional form to review. Your agent should walk you through this before you go under contract, not after. The Long Beach multi-unit market in 2026 is one example where understanding tenant protections going in determines whether the investment thesis actually holds up.
Local ordinances can layer on top of state law and be more restrictive. This is especially true in cities like LA, where the RSO (Rent Stabilization Ordinance) applies to buildings built before 1978. Always verify local rules for the specific city before you close.
The Bottom Line
Buying a tenant-occupied property — whether it's a duplex with an in-law unit, a triplex in Anaheim, or a Long Beach fourplex with an ADU already built in — is a fundamentally different transaction than buying an empty house. The TOPA is the form that structures that difference into the contract. Understanding what it requires from both sides — deposits through escrow, income documentation, estoppel certificates, permit disclosure, proposed change notifications — puts you in a much stronger position as a buyer.
If you want to understand how properties like these are valued when you eventually go to sell, or how documented rental income flows into your mortgage qualification and financing options, those are conversations worth having before you write the offer — not after you're in escrow.
Ready to Start?
Call or text Dylan Serna to schedule an investor consult at (714) 860-2868
Your Long Beach Property With an ADU Expired. Now What?
Your listing is gone. The clock ran out, the sign came down, and you're sitting on a Long Beach property with an ADU — a property that should have sold — wondering what went wrong.
This happens more than sellers realize, and it almost never comes down to the property itself. A Long Beach home with a permitted ADU is one of the most compelling assets on the market right now. Buyers who understand what they're looking at will pay a meaningful premium for it. The problem, almost every time, is that the right buyers never found it — or found it and couldn't figure out what they were looking at.
Here's an honest breakdown of what likely went wrong, and what needs to change before you relist.
Problem 1: Zillow's AI Is Surfacing Your Property to the Wrong Buyers
This is the one most sellers — and most agents — don't talk about.
Zillow now uses AI to match listings to buyer profiles. When someone searches on Zillow, the platform isn't just filtering by beds and baths anymore. It's reading the listing description, the photos, the tags, and the way the property is presented — and deciding which buyers to surface it to.
If your listing described the property as a "cozy single-family home" with the ADU mentioned as a footnote in line 8 of the remarks, Zillow's AI didn't know to surface it to the investor looking for a house-hack in Long Beach, or the multi-generational family searching for a property with a separate living suite, or the landlord who wants in-place rental income. Your listing got shown to the wrong people. And the wrong people passed.
The description isn't just marketing copy — it's the signal your property sends to every algorithm trying to match it to a buyer. If that signal is wrong, the right buyers never find you.
Problem 2: The Photos Didn't Show the ADU as a Selling Point
Take a look back at your listing photos. Was the ADU front and center — kitchen, bathroom, bedroom, separate entrance, the works? Or were there two blurry exterior shots and a floor plan buried at the end?
NAR research consistently shows that listings with professional photography sell faster and for more money. But for an ADU property, the stakes are even higher. A buyer who is specifically hunting for a property with rental income potential or multi-generational living needs to be able to visualize both units working independently. If your photos couldn't do that job, the buyer who would have paid a premium for it scrolled past.
The ADU needs its own photo sequence: exterior view, the separate entrance, every room inside, the private yard space (if applicable), and the utility meter if it's separately metered. That documentation isn't just nice to have — it's proof to a buyer that this is a functional, livable second unit, not a converted storage room.
Problem 3: The Listing Description Didn't Target a Buyer Profile
Your agent should have had a conversation with you about who was going to buy this property. Not "a buyer" — specific buyer profiles.
For a Long Beach home with an ADU, the likely buyer profiles fall into a few categories:
The house-hacker. A first-time buyer or move-up buyer who wants to live in the main house and rent out the ADU to offset their mortgage. This buyer is extremely sensitive to how lenders will count the ADU rental income at underwriting — they may need that income to qualify. The listing needs to speak to this directly: mention current or market-rate rents for the ADU, note whether it's separately metered, and specify if a tenant is in place or if the unit will be delivered vacant.
The multi-generational family. In Long Beach's large multigenerational household community, a property with a separate unit for a parent, in-law, or adult child commands real premium. This buyer needs privacy, a separate entrance, and independent living capability. The description needs to use language they'll recognize: "separate living suite," "private entrance," "fully independent kitchen and bath."
The investor. Long Beach ADU rents range from roughly $1,600 to $2,950 per month in 2026 depending on bedroom count, neighborhood, and finish. The investor buyer is underwriting your property based on gross rents, cap rate potential, and whether the ADU is permitted and rentable. If your listing didn't include the ADU square footage, current or market rents, and permit status, this buyer had no data to underwrite and moved on.
If your original listing description was a generic summary of the main house with the ADU tacked on at the end, none of these buyers were being spoken to directly. That's a marketing problem, not a property problem.
Problem 4: Availability Was Communicated Wrong
If your property wasn't properly staged for showing — or if showing instructions made it difficult for buyers' agents to schedule tours — you lost interest before it could convert.
Listings that sit for 60, 90, 120 days accumulate what agents call "market stigma." Buyers assume something must be wrong with the property. Days on market becomes a negotiating weapon — and the longer a property sits, the lower the offers get. Once the listing expires, you've burned through that first-to-market window where buyer interest is highest.
When you relist, showing access needs to be immediate, easy, and well-communicated. Lockbox access, clear instructions, and zero friction for buyer's agents to book showings directly. If the ADU has a tenant in place, that coordination needs to be worked out before you go live — not scrambled after a showing request comes in.
Problem 5: The Pricing Strategy Was Built on the Wrong Comparable Set
Most agents price ADU properties using comparable sales from the standard MLS comp set — homes that sold nearby, similar square footage, similar bedroom count. The problem: if those comps are single-family homes without ADUs, you're pricing a multi-income asset as if it were a single-income property.
An ADU adds real, measurable value — and that value is calculated using the income approach, not just price per square foot. An appraiser working from Fannie Mae's guidelines for ADU valuation is going to look at comparable properties with ADUs, consider the rental income contribution, and assign additional value that a straight price-per-square-foot analysis misses entirely.
If you priced too high relative to the comps but too low relative to the actual income value — or vice versa — you either scared off buyers or left money on the table. Either way, the listing expired before a deal came together.
Understanding the three property benefits that stack simultaneously on an ADU asset — rental income, principal paydown, and appreciation — is the framework for building a pricing strategy that makes sense to the right buyer.
What Has to Change Before You Relist
An expired listing isn't a dead listing. It's a listing that needs to be rebuilt correctly before it goes back on the market. Here's what that looks like.
New photography. Bring in a photographer who shoots income properties, not just homes. Every room in both units. Drone if the lot separation makes sense to show. The ADU gets its own photo set.
A rewritten description built around buyer profiles. The description needs to lead with what makes this property different: the ADU, the income potential, the flexibility. The main house comes second. Zillow's AI — and every buyer searching it — needs to know immediately what they're looking at.
A correctly structured pricing strategy. This means pulling comps from the Long Beach multi-unit and ADU-specific market — not just nearby SFR sales — and building the price around income potential, not just square footage. California's HCD guidance on ADU valuation and what lenders will actually underwrite need to be part of that conversation.
Showing access that removes friction. Easy lockbox access, pre-coordinated tenant access if applicable, and a system for getting buyers' agents in the door within hours of a request.
A listing that speaks to the buyer who will actually pay full value. The reasons Long Beach multifamily and ADU properties don't sell almost always come back to the same issue: the property was marketed to the wrong audience.
Did Your Agent Talk About Buyer Profiles? Did They Have a Strategy for the ADU?
These are fair questions to ask — and the answers matter as you decide how to move forward.
An agent who specializes in standard residential sales may know how to list a three-bedroom in Belmont Shore. They may not know how to position an ADU property to the income-motivated buyer pool, how to structure the description for Zillow's AI surfacing, or how to build a comp set that captures ADU income value in the pricing.
Long Beach is one of the stronger ADU markets in LA County right now. The buyers are active. The demand is real. If your listing expired, the property didn't fail — the marketing strategy did.
Ready to Relist the Right Way?
If your Long Beach property with an ADU expired and you're thinking about what comes next, I'd start with a conversation before you re-sign with anyone.
I work specifically with ADU properties across Long Beach and LA County. I know the buyer profiles who pay full value for these properties, how to structure a listing description and pricing strategy around income potential, and how to make sure the right buyers actually find the listing — not just anybody scrolling past.
Dylan Serna | ADU Specialist | DRE #02217359 Call or text: (714) 860-2868 | adurealtor.net | Book a Strategy Session
Is It Worth Investing in Multi-Unit Properties in Signal Hill? Here's the Real Picture.
Signal Hill doesn't get talked about enough in investor circles. It's less than 3 square miles — a small hilltop city completely surrounded by Long Beach — and it doesn't have the name recognition of Anaheim or the volume of a Long Beach submarket. But for multi-unit investors who are actually looking at the fundamentals, Signal Hill has a few structural advantages that hold up under scrutiny.
It also has one significant cost that catches a lot of buyers off guard when they start pulling permits. We'll get to that.
Rents Run Stronger Here
Signal Hill rents come in slightly above comparable surrounding stock. Average rents land around $2,560/month, with 2-bedrooms pushing close to $3,000. That premium isn't dramatic, but on a 4- or 6-unit building it compounds — and more importantly, it's durable because it's driven by real demand drivers, not speculation. The three-benefit wealth stack that makes SoCal multi-units work so well runs more efficiently when your rent floor is a little higher to begin with.
The School District Is the Demand Engine
Signal Hill sits within the Long Beach Unified School District (LBUSD) — one of the larger and more well-regarded urban districts in Southern California, serving over 62,000 students across 85 K-12 schools. Families who want LBUSD access but can't afford to buy are renting here. That's a consistent, income-stable renter pool that doesn't leave.
School access drives longer tenancies. Longer tenancies mean lower turnover, fewer vacancy gaps, and far less management overhead. Over a holding period of 5–10 years, that's real money — and it's one of the cleaner advantages Signal Hill has over nearby markets where the school pull isn't as strong.
Parking Is a Screening Tool
Signal Hill multi-unit stock tends to come with more parking than comparable density in parts of Long Beach proper. That sounds minor. It's not.
Parking self-selects for a better tenant. Tenants who have cars have jobs. Tenants with jobs have income. Properties that offer dedicated off-street parking attract people with options — and people with options generally pay on time and treat your property well. If you've owned multi-units in parking-constrained submarkets, you already know this.
The Tenant Profile That Results From All of This
Stack school district access, slightly above-market rents, and parking availability, and you get a tenant pool that's meaningfully different from a lot of comparable price-point markets. Families relocating for LBUSD. Working professionals who want the Long Beach lifestyle without the density of downtown. People who pay on time and stay for years. That's what quality fundamentals actually produce at the tenant level, and it's worth pricing into your underwriting.
The One Cost That Catches Buyers Off Guard
Here's what you need to know before you close on anything in Signal Hill with a value-add or expansion plan in mind.
Signal Hill sits directly over the Long Beach Oil Field. The entire city falls within what the municipality designates as a Methane Gas Zone, and per the City of Signal Hill's Project Development Guide, any development project — additions, ADUs, structural modifications — requires a methane soil-gas survey and a formal mitigation plan before you can even begin the permit process.
What that looks like in practice:
A Methane Assessment Permit and Methane Assessment Work Plan are required before testing begins
A certified California professional geologist conducts a soil-vapor survey, drilling at multiple locations and installing probes at various depths
A Methane Assessment Report is submitted to the city's Oil Services Coordinator for review
If mitigation is required — and per the City's General Plan Safety Element, all properties in Signal Hill must be tested, regardless of whether they contain oil wells — a passive or active mitigation system must be designed and installed before permits move forward
Budget a minimum of $10,000 for the testing and permitting process. Depending on lot size and what concentrations the survey finds, that number goes higher before mitigation system design and installation costs are even added. For a full breakdown of how methane zones are classified and what triggers each mitigation tier, this overview of the Signal Hill methane zone requirements is the clearest resource I've found.
This is not a deal-breaker. It is a hard cost that belongs in your pro forma before you write an offer. Buyers who model it in can make the math work. Buyers who discover it after they're in escrow — or worse, after they close — are the ones who feel it.
If your plan involves pulling permits to add an ADU or expand the structure, also get clear on which financing product fits your timeline. DSCR loans, HELOCs, and construction loans handle development costs very differently, and the right choice depends on whether you're acquiring or already own the property, and how fast you're moving.
The Bottom Line
Signal Hill is a legitimate multi-unit market with real structural advantages: stronger rents, a school district that generates stable long-term demand, more parking than the surrounding stock, and a tenant profile that reflects all of the above.
The methane overlay zone is a real and unavoidable cost for anyone who plans to develop or add on. Price it in from day one and it's manageable. Miss it and it will eat your deal.
Before you write an offer on any Signal Hill investment property, run the full picture: permit history, methane zone classification, unit mix, current rents vs. market, and how any expansion plan pencils after the environmental line item is included. That's the same checklist I use on every investment property I underwrite in OC and LA.
If you want to see what the adjacent LA County market is doing, North Long Beach (90805) is one of the most active multi-unit markets in the region right now — worth understanding as a comparison before you commit capital to either submarket.
Do I Need Solar for a JADU? Here's What Title 24 Actually Says
If you're planning a Junior ADU (JADU) in Orange County or LA County, solar is probably one of the first cost questions that comes up. And the short answer — for most JADUs — is no.
But the longer answer depends on how your project is classified under California's Title 24 energy code. Getting this wrong can mean budgeting for a system you don't need, or being blindsided by one you didn't expect.
Here's how to think through it.
What's a JADU, and Why Does Classification Matter?
A Junior ADU is a unit created within the walls of an existing single-family home — typically a converted bedroom, a portion of the living space, or an attached garage. By definition, a JADU is a conversion of existing space, not a new structure.
That distinction matters enormously under Title 24. California's energy code requires solar on new residential construction — but it specifically exempts additions and alterations. A JADU is almost always a conversion of something that already exists, which means it almost always qualifies as an addition rather than new construction.
The result: the vast majority of JADUs do not trigger the solar requirement.
The Title 24 Framework: New Construction vs. Addition vs. Alteration
The solar requirement under the 2022 California Title 24 energy code applies only to new construction. It does not apply to additions or alterations. Here's how those three categories work:
New Construction — You're building something from the ground up on land where nothing (or nothing usable) existed before. Or you completely demolished an existing structure and are starting fresh. This is the category that triggers solar.
Addition — You're adding square footage to an existing structure, or building a new structure on a lot that already has an existing home on it. This does NOT trigger solar.
Alteration — You're making changes to an existing structure — replacing windows, updating a kitchen, adding a bathroom. No solar required.
Understanding which category your project falls into is the first step in knowing your energy compliance obligations. Everything else follows from that classification.
Which ADU Types Don't Require Solar
Most ADUs in Orange County and LA County fall into the Addition category — not New Construction. That includes:
JADUs — Because a JADU is created by converting space within the main home, it's an alteration or addition to an existing structure. Solar is not required.
Garage conversions — Converting an attached or detached garage into a living unit is classified as an addition, not new construction. If you're buying a property with an existing garage-conversion ADU, this is one of the reasons the permit process is often more straightforward than people expect — and why the solar question usually doesn't come up.
Attached ADUs — If the ADU is physically attached to the main home or to an existing garage, it qualifies as an addition regardless of size. No solar requirement. LA County's 2026 ADU ordinance updates have expanded the options for attached ADUs, making this path more accessible for property owners across the county.
This is a big reason garage-conversion and attached ADU strategies have become popular among OC and LA investors adding units to existing multi-family properties — they're the most permitting-friendly path, and they sidestep one of the most common new-construction cost items.
When Solar IS Required: The Detached New-Build ADU
The scenario where you will likely trigger the solar requirement: a fully detached ADU built from scratch on a vacant portion of your lot, where no structure previously existed in that footprint.
This is the true new-construction scenario. You're not converting or attaching — you're building an independent structure that qualifies as a new dwelling unit. Under California's state ADU framework, new single-family residential constructions and detached new-build ADUs are required to have photovoltaic solar systems per the 2022 Title 24 code.
The minimum system size depends on the conditioned floor area of the new unit and the climate zone your city falls in. California's Equation 7-1 — the formula used in the energy code — takes those two variables and produces a minimum PV system size in kilowatts.
The 1.8 kW Exception (And Why It Matters for Small ADUs)
Even when solar is technically required, there's an important exception built into the 2022 code: if the calculated minimum system size comes out to less than 1.8 kW, you're exempt.
In practice, this matters most for smaller detached ADUs — studios and compact one-bedrooms with minimal conditioned floor area. Depending on your climate zone (most of Orange County sits in climate zones 8 and 9), a small detached ADU might calculate below the 1.8 kW threshold and qualify for the exception.
This is worth running through a Title 24 calculator before assuming solar is unavoidable on a small new-build ADU. The math might already be on your side.
Other Exceptions Worth Knowing
Beyond the 1.8 kW threshold, the code allows site-specific exceptions for projects with insufficient solar access (significant shading from trees or adjacent structures), high snow-load areas, and properties rebuilt after a declared fire emergency. These require additional documentation, but they're available when site conditions genuinely prevent effective solar installation.
One caveat: certain cities in LA and Orange County have local reach codes that can modify or supersede the state's solar requirements — sometimes requiring larger systems than the state minimum. Worth confirming with your Title 24 consultant before you finalize your project budget.
What This Means for Your Budget
The practical implication: if you're doing a JADU, a garage conversion, or an attached ADU, solar should not be a line item in your project budget. If you're building a detached ADU from scratch, you need to run the Title 24 calculation to know whether solar applies and, if so, what system size you'll need.
The cost difference is significant. A compliant residential PV system in California typically runs $8,000–$20,000 or more depending on system size and installation complexity. Knowing early whether you'll need one — or being able to confidently tell your contractor you won't — can change how you structure the whole project.
For investors evaluating the full cost stack before buying a property to add an ADU, Title 24 compliance is one of the questions worth answering before you're in escrow — not after you've already committed to a project budget.
The Bottom Line
Most JADUs, garage conversions, and attached ADUs in Orange County and LA County do not require solar under Title 24 — because they're classified as additions or alterations, not new construction. Fully detached ADUs built from the ground up are the scenario where the requirement kicks in, and even then, the 1.8 kW exception provides an out for smaller units.
The classification question — new construction, addition, or alteration — is the thing to nail down first. Everything else follows from that.
If you're working through whether a specific ADU project makes financial sense — costs, rental income, and how adding a unit affects your property's value at sale — reach out. This is the kind of analysis I do before any project gets off the ground.
Dylan Serna | ADU Specialist | DRE #02217359
Call or text: (714) 860-2868 | adurealtor.net | Book a Strategy Session
You Built 2 ADUs — Now Here's How to Pull $650K Tax-Free and Scale Your Portfolio
Most investors who build ADUs stop at the income. They see the rent checks coming in, they're happy, and they sit. What they're missing is that the same property that generates cash flow has also quietly created a massive amount of equity — and that equity can be put back to work to acquire the next asset without triggering a single dollar of taxable income.
This post is for the investor who already built the ADUs. You've done the hard part. Now let's talk about what to do next.
The Scenario: How This Looks in Real Numbers
Let's walk through a real example of how this plays out.
You purchased an $800,000 property in Orange County using alternative financing — a combination of private capital, a DSCR loan, or a hard money bridge — and deployed a total of $480,000 into the deal including purchase and ADU construction costs. You built two ADUs on the property. The main house, first ADU, and second ADU are now all rented.
Here's where the property stands today:
Current appraised value: $1,400,000
Gross monthly rent: $9,800/month ($117,600/year)
Total capital deployed: $480,000
Unrealized equity gain: $920,000
That's $920,000 sitting in the property doing nothing. A cash-out refinance is how you put it back to work.
What a Cash-Out Refinance Actually Does
A cash-out refinance replaces your existing loan with a new, larger one — and the difference between what you owe and the new loan amount comes to you as cash. That cash is not taxable income. It's debt, not earnings, which means the IRS doesn't classify loan proceeds as income — you owe no taxes at the time of the pull.
This is one of the most powerful tools in real estate investing and one of the most underused by ADU landlords.
On a $1,400,000 property at 75% LTV, a lender will issue a loan up to $1,050,000. (Fannie Mae's guidelines on cash-out refinance LTV limits for investment properties cap most conventional investment property cash-outs at 75%, though some portfolio lenders will go to 80%.) If your existing loan balance or payoff is around $400,000, you're walking away from the closing table with roughly $650,000 in cash — completely tax-free — while the property continues to generate rental income.
The Refinance Numbers, Broken Down
Here's what the refinanced property looks like month to month:
New loan amount$1,050,000Interest rate (est.)7.25% — 7.5%Loan term30-year fixedMonthly P&I payment~$7,150Property taxes + insurance~$1,650Total monthly housing expense~$8,800Gross monthly rent$9,800Net before reserves~$1,000Vacancy + maintenance reserve~$700Net cash flow~$200–$300/month
The property still cash flows after the refinance. It's not a home run on monthly income, but that's not the point. The point is you extracted $650,000 from a property you already own — without selling it, without paying capital gains, without disrupting the rental income — and now you have a war chest to acquire the next asset.
Where the Real Wealth Is: The Tax-Free Pull
Let's be clear about what just happened here.
You put $480,000 into this deal. The property is now worth $1,400,000, and you just pulled out $650,000 in cash without selling. You've gotten more than your original capital back, the property still cash flows, and you still own a $1.4M asset with appreciating equity.
This is how real estate investors actually build wealth. Not by holding properties forever and watching equity sit idle — but by recycling capital into the next acquisition.
In California, where property values run high, this strategy is especially effective because the equity gains are proportionally large. A $600,000 gain on a well-executed ADU project isn't unusual in OC and LA County markets, and the income stacking from multiple ADU units is what pushes valuation high enough to make a meaningful refinance possible. Part of why investors are buying multi-unit properties in LA County and then adding ADUs is precisely because of this equity creation cycle.
Now What? Deploying the Cash Into the Next Property
With $650,000 in hand, you're now in a position to move on the next acquisition — and this is where investors compound their results.
At 25–30% down, $650,000 in equity gets you into a $2,000,000–$2,600,000 asset. In Orange County and LA County, that's a multifamily property or a value-add single-family with ADU potential where you can run the same playbook again. If you need a starting point on how to find cash-flowing properties in LA County, that post breaks down what to filter for when you're deploying a large capital position into a new market.
Before pulling the trigger on the next buy, the key things to evaluate are rent coverage relative to your debt service, ADU or SB 9 potential on the new lot, and the quality of the existing unit mix. What I check before buying any investment property in OC or LA starts with those fundamentals, and the $650K pull only makes sense if it goes into a deal that actually pencils.
The alternative — buying the next property the same way you bought the first one — is also on the table. If the alternative financing route (DSCR, private money, bridge) is what got you to this point, the cash from your refi could function as down payment capital for a conventional or DSCR acquisition, giving you cleaner long-term financing on the new deal from day one.
Why the Cash-Out Refi Beats Selling
The obvious alternative is selling the property. After all, it's worth $1.4M and you put in $480K — that's a $920,000 gross gain.
But run the numbers on what a sale actually nets you:
Capital gains tax (federal + California): If this is a short-term hold or your gain exceeds your exclusion, you're looking at 30–37% combined in California on investment property gains
Depreciation recapture: Any depreciation you've taken gets recaptured at ordinary income rates
Transaction costs: 4–5% in commissions and closing costs on a $1.4M sale is $56,000–$70,000 gone immediately
Compare that to the cash-out refi: $0 in taxes, $0 in agent commissions, and you still own the asset. You keep the cash flow, the appreciation, and the depreciation write-offs going forward. The refi wins on almost every axis unless you have a specific reason to exit.
The Financing Path That Got Here Matters
One thing worth noting: not every investor who builds ADUs used the same entry strategy, and that affects how the cash-out refi looks on the other end.
If you used a DSCR loan to acquire the property, your payoff balance is determined by what you originally financed — and DSCR loans tend to have fewer prepayment penalties after the initial lock period than hard money. If you used private capital or a bridge loan, the payoff may be higher or come with a balloon that makes the timing of the refi more pressing.
Comparing DSCR loans, HELOCs, and construction loans for ADU projects matters a lot when you're thinking about exit strategy from the beginning — the best investors design the entry with the refi in mind.
What Lenders Want to See Before Approving the Cash-Out
To get the refinance approved, lenders are going to look at two things primarily: the property's income and your ability to service the new debt.
On the income side, they'll order an appraisal and will want documentation of the rental income from all three units. California lenders are increasingly familiar with ADU rental income, and most conventional and portfolio lenders will count it — though how lenders actually count ADU rental income toward your mortgage qualification has specific rules that catch some borrowers off guard.
On the property value side, the appraiser needs to see permitted, finished ADUs reflected in the comps or in the income approach. An unpermitted ADU gets treated very differently at appraisal — and if yours weren't pulled through permits, the value may come in lower than you expect, which compresses the amount you can pull out. California's HCD has made the ADU permitting process significantly more streamlined than it was even a few years ago, so there's less excuse than ever for leaving an ADU unpermitted.
The numbers in this post assume both ADUs are fully permitted and rent-ready.
The Bigger Picture: Building a Portfolio Through Recycled Equity
The investor who executes this well doesn't end up with one great property. They end up with a portfolio — because each refinance becomes the seed capital for the next deal.
Property 1 → Build ADUs → Refi → Pull $650K → Use $650K as down payment on Property 2 → Build ADUs → Refi → Pull $800K → Use $800K to acquire Property 3 (or two properties)
This is how investors in Orange County and LA County have built portfolios that would be impossible to replicate with W-2 savings alone. The ADU adds the equity. The refi extracts it. The next deal absorbs it. Repeat.
If you're at the stage where the ADUs are built and the rent is coming in, you're not at the finish line — you're at the starting line for everything that comes next.
Ready to Start?
Schedule investor consult call with Dylan Serna through call or text (714) 860-2868
Have two ADUs built and want to run the cash-out refi numbers on your specific property? I work with investors across Orange County and LA County on exactly this kind of next-step planning. Reach out and let's talk through what your equity looks like and what it could do.
If You Have $600K Down and Want a Long-Term Investment Property with ADU Potential, Here's Where I'd Look
Most buyers with serious down payment money make the same mistake — they go straight to turnkey rentals that already have everything built in. The smarter play, especially right now in North OC, is buying into a property that already cash flows and still has ADU potential sitting on the lot. You get income on day one, and a second income stream waiting whenever you're ready to build it.
If you have $600K to put down and you're thinking long-term, here are the two markets I'd be looking at seriously: Anaheim and Buena Park.
Why These Two Markets
Anaheim is one of the most ADU-active cities in Orange County. Lot sizes run larger than most of coastal OC, there's an established rental tenant base year-round, and the city has largely kept pace with California's state ADU law in terms of streamlining permits. What I pay attention to specifically are corner lots — they tend to have more usable lot area, better access options for a detached unit, and fewer neighbor-conflict headaches during permitting. The price range I'm watching is around $950K, and rents on the main house are running $4,100/month.
Buena Park has a specific angle that most buyers overlook: a lot of properties here have large RV parking pads on the side or rear of the lot. Under California's ADU regulations, an RV parking area can often be converted into a detached ADU without the setback complications you'd hit trying to place a new structure on a tighter lot. It's one of the cleanest paths to adding a unit in North OC. Prices in Buena Park are also around $950K, and rents on the main house are coming in at $3,500–$3,900/month. The reason Buena Park stands out as an ADU market is that the infrastructure for adding a unit is already sitting there on a lot of these properties — you're not starting from scratch.
The PITI Breakdown
At $950,000 with $600,000 down, you're financing $350,000. Here's what the payment looks like:
ComponentMonthlyPrincipal & Interest ($350K at 7.0%, 30-yr fixed)$2,329Property Tax (~1.25% of purchase price)$990Homeowner's Insurance$175Total PITI$3,494
That's your fixed monthly obligation. Everything above that number is cash flow or equity.
Anaheim: The Numbers on Day One
Purchase price: $950,000
Down payment: $600,000
Loan amount: $350,000
PITI: ~$3,494/month
Rent (main house): $4,100/month
Monthly surplus over PITI: ~$606
You're cash flow positive from the first month. Not dramatically, but you're covering your nut and then some while you hold, build appreciation, and plan the ADU. The Anaheim multi-unit and ADU market right now has active inventory with motivated sellers — which means you have room to negotiate on price and still hit these rent numbers.
Buena Park: The Numbers on Day One
Purchase price: $950,000
Down payment: $600,000
Loan amount: $350,000
PITI: ~$3,494/month
Rent (main house): $3,500–$3,900/month
Monthly surplus over PITI: ~$6–$406 (depending on rent achieved)
Buena Park is tighter on day one. You're closer to break-even on PITI without the ADU, which is why the lot characteristics matter so much here — you're buying this market for the ADU play, not because the existing rent alone makes it a home run. When you find a property with the RV pad already in place, you're reducing your ADU construction cost and timeline significantly, which changes the investment math entirely.
When You Add the ADU — This Is the Real Play
Whether you build in year one or year three, the moment you add a permitted ADU and put a tenant in it, the income picture changes completely. ADU rents in both Anaheim and Buena Park are running $3,000–$4,000/month depending on bedroom count and finishes.
Here's what the property looks like after the ADU is renting:
Anaheim after ADU:
Main house rent$4,100ADU rent$3,000–$4,000Total gross income$7,100–$8,100/monthPITI$3,494Cash flow above PITI$3,606–$4,606/month
Buena Park after ADU:
Main house rent$3,500–$3,900ADU rent$3,000–$4,000Total gross income$6,500–$7,900/monthPITI$3,494Cash flow above PITI$3,006–$4,406/month
That's the long game. You put $600K down on a property that cash flows modestly today, and you build or convert the ADU on your timeline. Once the unit is rented, you're looking at $3,000–$4,500/month above your PITI — on a property where you're also building equity every month.
This is why I keep pointing buyers toward properties with ADU potential over properties that are already maxed out. The appreciation floor is higher because future buyers will underwrite both income streams. You're not just buying a rental — you're buying a property that will appraise and trade like a two-unit once the ADU exists.
What to Watch For Before You Write an Offer
One caveat I always give buyers on "ADU potential" properties: don't take the listing's word for what's buildable. I've seen deals fall apart because a buyer assumed an RV pad could become an ADU, only to find setback requirements or utility placement issues that complicated the build. Trusting "ADU potential" in a listing without verifying it yourself is one of the most expensive mistakes you can make.
Before you write an offer on either of these markets, run the actual permit inquiry with the city. In Anaheim and Buena Park, the planning departments are reasonably responsive. Know your setbacks, your max unit size, and whether the lot configuration actually works for what you're planning. My pre-offer checklist for investment properties in OC and LA covers exactly how I walk through this with buyers before we make a move.
Also worth understanding upfront: how ADU rental income gets counted when you eventually go to refinance or leverage the property depends on the unit being permitted and documented properly. A permitted ADU with a lease in place is a completely different story at underwriting than a conversion that was never pulled to permit. Build it right and Fannie Mae's ADU income guidelines will work in your favor when it's time to pull equity out or buy again.
The Bottom Line
$600K down on a $950K property in Anaheim or Buena Park puts you in a position that most investors can't replicate: you're in a market with strong rental demand, you're cash flow positive or near it from day one, and you have a second income stream sitting on the lot waiting to be unlocked. That ADU rent — $3,000 to $4,000/month — doesn't require you to buy another property, take on another mortgage, or find another down payment. It's already there.
If you're looking at either of these markets and want to run the numbers on a specific property, or talk through what the ADU build timeline and cost would look like, reach out. This is exactly the kind of deal I walk buyers through from offer to first rent check.
Ready to Start?
Call or text Dylan Serna to schedule Long Term Investor Consult at (714) 860-2868
How Multi-Unit Properties Are Actually Valued in Long Beach (A Buyer's Guide)
When I'm buying a multi-unit property in Long Beach, the first thing I want to understand before I write an offer is how an appraiser is going to look at it. Because the number the appraiser lands on isn't just a formality — it determines whether my financing holds, whether I'm overpaying, and whether the deal I negotiated actually survives escrow.
Most buyers assume the rent drives the value on a duplex or fourplex. And it does — but not the way you'd expect. Here's exactly how an appraiser works through a Long Beach multi-unit, using a real appraisal from the 90805 zip code as the example.
Step One: The Income Approach — What the Appraiser Does First
The first thing an appraiser does on a small residential income property is establish what the property should be renting for — not necessarily what it's renting for right now. This distinction matters a lot when I'm buying, because a seller with a below-market tenant doesn't get credit for the low rent. The appraiser is going to recast to market regardless.
This is formalized on what Fannie Mae calls the Small Residential Income Property Appraisal Report (Form 1025 / Freddie Mac Form 72) — the standard form used for 2–4 unit residential properties. The appraiser pulls three comparable rentals near the subject, compares unit size, bedroom count, condition, and rent per square foot, and establishes an opinion of market rent for each unit — what the unit would rent for today at arm's length.
On the Long Beach duplex I'm referencing, the appraiser pulled three rental comps within a third of a mile:
A duplex on Cerritos Ave, 0.28 miles away — two units at $2,500/month each ($5,000 total)
A duplex on E 57th St, 0.22 miles away — two units at $3,000/month each ($6,000 total)
A duplex on Myrtle Ave, 0.33 miles away — one unit at $3,200/month, one at $2,300/month ($5,500 total)
The subject property had one unit vacant and one occupied at $2,637/month — below market. The appraiser's opinion of market rent came to $6,000/month total: $3,200 for the larger vacant unit, $2,800 for the occupied one.
That $6,000 figure is what feeds the income approach.
The Gross Rent Multiplier (GRM)
Once market rent is established, the appraiser applies a Gross Rent Multiplier — derived from what similar properties actually sold for relative to their monthly gross rent. On this appraisal, the GRM came in at 142.
The math: $6,000/month × 142 GRM = $852,000 indicated value by income approach.
Here's the thing I always remind buyers: that $852,000 is a data point, not the answer. The appraiser noted directly in the report: "The Income Approach is typically given minimal consideration for this type of property, in this market." It's a sanity check — not the primary driver of value.
That's where the sales comparison approach takes over — and this is where the real number gets set.
Step Two: The Sales Comparison Approach — Where the Value Actually Gets Set
For residential properties with four units or fewer, appraisers use the same method as single-family homes: find similar sold properties, adjust for differences, and reconcile a value from what the market has actually transacted. When I'm underwriting a purchase, this is the number I'm watching.
On this appraisal, the appraiser used three recent duplex sales within 0.28 miles:
Comp 1 — 5575 Cerritos Ave: Sold for $880,000 (FHA, May 2025). Similar size and configuration. Minor upward adjustment for time and one fewer bathroom, minor downward adjustment for a larger garage. Net: +1%. Adjusted to $886,000.
Comp 2 — 1222 E 57th St: Sold for $955,000 (FHA, October 2025). Larger lot and a better quality rating triggered big downward adjustments — $31,000 for extra lot size, $20,000 for Q3 quality, $40,000 for C2 condition. Net: -10%. Adjusted to $864,000.
Comp 3 — 5341 Cerritos Ave: Sold for $845,000 (Conventional, October 2025). Cleanest comp — same bedroom/bath count, similar condition, minimal adjustments. Net: essentially flat. Adjusted to $844,500.
The appraiser reconciled those three — $886,000, $864,000, $844,500 — and landed at $845,000 as the final value by sales comparison.
The adjustment line items are worth knowing as a buyer, because they tell you how sensitive the value is to specific property characteristics. In this Long Beach submarket: lot size runs about $10/sq ft for differences over 1,000 sq ft, bedrooms at $6,000 each, bathrooms at $6,000 each, gross living area at $95/sq ft for differences over 100 sq ft, age at $100/year after the first 10 years, garage spaces at $10,000 per space, and condition rating — C2 or C4 — triggers a $40,000 adjustment either direction. That's not a small number.
The Final Reconciliation: Comps Win
With both approaches complete, the appraiser reconciled:
Sales Comparison Approach: $845,000
Income Approach: $852,000
Final Appraised Value: $845,000
They landed $7,000 apart — that's about as tight as it gets. The income approach confirmed the comp value, the appraiser gave most weight to comps, and the final number was $845,000.
The appraiser's own language: "Most weight is typically given to the Sales Comparison Approach for these types of properties. The Income and Cost Approaches were both correlated and given secondary consideration."
This is the dynamic I walk through with every buyer I work with on a Long Beach multi-unit. The income matters — a weak rent picture relative to comps can pull the income approach value down and create a disconnect with the comp number that gives the appraiser pause. But I'm not buying on a cap rate. I'm buying at a price that has to be supported by what comparable properties sold for, adjusted line by line.
What I'm Looking For as a Buyer
Below-market rents are my opportunity — not a valuation discount. The appraiser recasts to market rent regardless. So if I'm looking at a duplex where one tenant is paying $2,637 against a $2,800 market rent, the appraisal is going to reflect $2,800. That gap is my upside at lease renewal, not something that hurts the appraisal. I want to buy below-market rent situations, not pay a premium to avoid them.
Condition is negotiable; the adjustment is not. That $40,000 condition adjustment in this appraisal is real. If I'm looking at a C4-rated property, the appraiser is going to mark it down $40,000 relative to a C3 comp, full stop. I factor that into my offer — either I'm getting a price that already reflects deferred maintenance, or I'm planning to fix it and refinance after the value is reestablished.
Lot size is often underpriced by sellers. Adjustments run $10/sq ft for differences over 1,000 sq ft. On a 7,000 sq ft lot where the comps are averaging 5,500 sq ft, that's a $15,000 adjustment in my favor at appraisal that a seller pricing off a per-unit basis might not be capturing.
The permit record is everything. How an unpermitted unit or ADU gets treated at appraisal is not a small issue. Unpermitted improvements on a multi-unit don't get counted in GBA, can't be included in the income approach, and create lender flags that can kill financing. Before I go into contract, I pull the permit history. It's a 10-minute check that has saved me from bad deals.
I want to know what my lender will count. If I'm financing with a conventional loan, Fannie Mae's guidelines on comparable sales dictate how the appraiser builds the comp set. If I'm using a DSCR loan, the underwriting leans more heavily on actual income. Knowing which lens my lender is using before I write the offer tells me which numbers matter most on my analysis.
Why Long Beach Specifically Works Well for This
Long Beach has real, proximate duplex comp data. Three sales within a third of a mile, all from the last 12 months, ranging from $845,000 to $955,000. That's the kind of comp supply an appraiser can work with cleanly — which means appraisals here tend to come in predictably rather than wide.
Compare that to thinner markets like parts of Fullerton or Buena Park, where duplex comp sets are sparser and appraisers sometimes have to expand the geographic radius or go back further in time. Wider comp sets mean more adjustment variance, and more adjustment variance means less certainty on whether your offer price will appraise. Long Beach's active two-unit market is part of why investors continue to focus here for income property acquisitions.
The ADU Layer
Before I close on any Long Beach multi-unit, I want to know whether it can support an ADU. A permitted ADU on a duplex changes the income picture and the valuation in ways the standard Form 1025 isn't designed to fully capture on its own. How a multi-unit property gets valued when an ADU is part of the picture involves a different comp analysis — but the short version is that a permitted ADU adds a documented rent stream that Fannie Mae's ADU income guidelines allow to count toward mortgage qualification in certain scenarios. That expands my eventual buyer pool, which protects my exit.
This is part of the pre-offer due diligence framework I run on every investment property before I go into contract. ADU potential in Long Beach is a real value-add — but only if the lot and zoning support it, and only if the numbers pencil after you account for build cost.
The Bottom Line
When I'm buying a multi-unit in Long Beach, I'm not buying on income projections. I'm buying on comps, with income as a confirming layer. The appraiser is going to do the same thing — run the income approach first, then build the comp grid, then give most of the weight to where similar properties have sold.
Understanding that framework means I know exactly which variables to push on in negotiation: condition, lot size, below-market rents, permit history. The income is the story I tell the next buyer. The comps are what I pay today.
If you're looking at a specific Long Beach duplex and want to run the comp set before you write your offer, reach out — I'll pull the data with you.
Ready to Start?
Call or text Dylan Serna, ADU Realtor at (714) 860-2868 to schedule a consultation.
How SB 9 Properties Get Valued in Los Angeles County
If you own a property with an SB 9 unit — or you're considering buying one — the appraisal is the part that surprises most people. The income it generates doesn't drive the number the way you might expect. What drives the number is comps.
The Short Answer: It Appraises Like a Duplex
SB 9 allows a single-family lot to be converted into a duplex or split into two parcels, each with its own unit. From an appraiser's standpoint, once that second unit exists as a permitted primary unit — not an ADU — the property is functionally a two-unit residential property.
For residential properties with four units or fewer, appraisers don't use the income capitalization approach to set value. That's a commercial tool. Instead, they use the sales comparison approach: find comparable two-unit sales nearby, make adjustments, and reconcile a value based on what similar properties have sold for.
That means your SB 9 property isn't being valued on what it rents for. It's being valued based on what a comparable duplex sold for.
If you want to understand how this differs from how a standard ADU gets treated at underwriting, how a home with an ADU gets valued when you sell in Orange County walks through the distinction — the comp methodology is similar, but the legal status of the unit changes how much weight an appraiser can give to rental income.
The Comp Problem
Here's where it gets complicated. Duplex comps in Los Angeles County can be thin depending on the submarket, and SB 9 comps — sales of properties that specifically went through the SB 9 conversion process — are even thinner. The law has only been on the books since 2022, and the pipeline of completed, permitted, sold SB 9 conversions is still building.
Appraisers working SB 9 assignments will typically search in this order:
SB 9 unit sales — properties that have already gone through the same conversion process in the same neighborhood or nearby
Two-unit / duplex sales — standard duplex comps in the subject neighborhood or expanded geographic area
Income-producing single-family sales with a permitted ADU — where no duplex comps exist, some appraisers will pull homes with a permitted ADU and treat them as a paired comp with adjustments
The fewer comps available, the wider the appraiser has to cast the net — which can introduce geographic adjustments, time adjustments, or both. Fannie Mae's guidelines on adjustments to comparable sales give appraisers flexibility here, but wider comp sets also mean more room for variance in the final number.
What This Means If You're a Buyer
If you're financing an SB 9 property with a conventional loan, your lender will order a standard residential appraisal. The appraiser is going to look for duplex comps. In a market where those comps are plentiful and the sales data is clean — areas like Long Beach, Anaheim, or Garden Grove where two-unit sales are regular — the appraisal tends to come in predictably. In a thin comp market, you can get an appraisal that comes in low not because the property isn't worth it, but because comparable data is scarce.
Before you write an offer on an SB 9 property, ask your agent to pull recent duplex sales in the immediate area. If supply is thin, you need to go in with your eyes open about appraisal risk — especially if you're paying at the top of the range or over list. Here's what I check on every investment property in OC and LA before going into contract — comp depth is on that list for exactly this reason.
DSCR lenders will approach this differently. They're often more comfortable using an income-based lens alongside the comp approach, which can produce a more favorable valuation on a strong cash-flowing SB 9 property — particularly when conventional appraisals are running light due to thin comps.
What This Means If You're a Seller
If you're listing an SB 9 property, your pricing strategy should start with duplex comps — not ADU comps, not single-family comps. Pull the two-unit sales in your submarket from the last 6–12 months, look at what closed per square foot, and price from that data set. What your home with an ADU is actually worth and how to price it right covers the broader pricing framework — the same logic applies here, just anchored to duplex comps instead of SFR-with-ADU comps.
If there are no recent duplex comps close by, your agent needs to build the comparable set manually and be prepared to support the list price with a written value narrative — the kind of documentation that helps a buyer's appraiser justify a number that might otherwise feel like a stretch.
Also worth knowing: if you did an SB 9 lot split and sold one parcel separately, that transaction is its own comp now. Any subsequent sale of the remaining parcel will be appraised against whatever the lot split created. That's a reason to be thoughtful about how you sequence those transactions — something the full breakdown of SB 9 in Los Angeles City gets into in detail.
The Bottom Line
SB 9 properties don't get a special valuation formula. They get treated as duplexes, and they get valued off duplex comps. In markets with strong comp supply, that's a straightforward process. In thinner markets, it takes more work — and the outcome is less predictable.
Knowing this going in changes how you write offers, how you structure your exit, and how you think about the asset. If you're trying to figure out what an SB 9 property on a specific street is actually worth — or whether the list price holds water — reach out and I'll pull the comps with you.
Ready to Start?
Call or text Dylan Serna, ADU Realtor at (714) 860-2868 to schedule a ADU/SB9 Consult Call
Is Your ADU a New Construction, Addition, or Alteration? Why the Answer Affects Your Budget More Than You Think
Most people planning an ADU focus on the big decisions first: detached or attached, one bedroom or two, garage conversion or new build. What they don't realize is that there's another classification sitting underneath all of those choices — one that gets assigned by California's building code before your permit is even reviewed — and it quietly drives a significant chunk of your project's cost and compliance requirements.
That classification is whether your ADU is treated as New Construction, an Addition, or an Alteration.
Get it right, and you're working with the least-stringent set of code requirements your project qualifies for. Get it wrong — or work with a contractor who doesn't flag it — and you may be over-engineering your build and paying for requirements that never applied to you in the first place.
Here's how the three categories work, how to figure out which one your project falls under, and what the real-world implications are for budget and timeline in Orange County.
The Three Categories, Simply Explained
New Construction is the most stringent. Under California's Title 24 energy code, a project classified as New Construction must meet the full current code standard for envelope (walls, roof, windows), HVAC, water heating — and it triggers the mandatory solar requirement. That last point matters: new standalone ADUs are required to have a solar system sized to code, which adds cost.
Addition is the middle tier. Projects classified as Additions don't trigger solar. They still have to meet current envelope, HVAC, and water heater standards, but a few important exceptions exist — particularly for existing walls with siding and certain wall extensions — that can reduce what you're actually required to spec.
Alteration is the least stringent. Only the portions of the space that are being altered need to meet current code. If existing walls, windows, roof, or mechanical systems are staying in place, they generally don't need to be upgraded to current standards. This can translate to significant savings, especially in garage or existing-structure conversions.
The jump between "Alteration" and "New Construction" is not small. In practical terms it can mean the difference between a compliant conversion with minimal scope creep and a full build-out with a solar requirement tacked on.
Which Category Does Your ADU Fall Into?
This is where most people get confused, because the answer doesn't follow the logic you'd expect. "New" doesn't always mean New Construction. A new room added to your house is typically an Addition, not New Construction — even if no single piece of it existed before.
Here are the seven situations you're most likely to encounter:
If you're building a new ADU attached to your main home
This is an Addition. No solar triggered.
Whether you're bumping out the back of your house to create a new attached unit or adding a junior ADU above the garage that connects to the main structure, if the new construction is physically attached to the existing home, it's classified as an Addition under California's energy code. This is one of the most favorable classifications you can land in.
If you're converting a non-habitable space (garage, pool house, workshop) into an ADU — and it's attached
This is an Addition. No solar triggered.
A garage that connects to the main house being converted into a living space is treated as an Addition. This includes situations where you're converting a detached pool house or studio that happens to share a wall or covered walkway connection to the primary residence.
If you're converting a non-habitable space (garage, pool house) into an ADU — and it's detached
This is also an Addition. No solar triggered.
This is a case that surprises people. Even though the structure is fully detached from the main home, converting a previously non-habitable structure into an ADU is still classified as an Addition — not New Construction. The California HCD ADU guidelines support this treatment because the primary structure already exists; you're repurposing it, not building from scratch.
If you're building a new standalone, detached ADU
This is New Construction. Solar is triggered.
This is the scenario where the classification bites hardest. A brand-new detached ADU — built on a previously unimproved portion of your lot, with no existing structure being incorporated — is New Construction. You'll face the full Title 24 requirement stack: envelope, HVAC, water heater, and solar.
That said, there are exceptions to the solar requirement that can be claimed in certain situations. If your roof orientation, shading conditions, or HOA restrictions create genuine feasibility issues, a Title 24 consultant can evaluate whether an exception applies. But you shouldn't count on it — run your numbers assuming solar is in the budget.
For investors evaluating detached ADU builds in Orange County — Anaheim, Garden Grove, Buena Park, Costa Mesa — this is a meaningful line item. On a 600–800 sq ft unit, the solar requirement alone can run $8,000–$15,000 depending on system size and installation complexity.
If you're converting a previously habitable space into an ADU
This is an Alteration. No solar triggered.
This is the most favorable classification and applies when a space was already permitted as habitable — a bedroom, a finished bonus room, a converted in-law suite from a prior owner. Because the space already has an occupancy classification and existing systems in place, the code only requires you to bring the altered components up to current standard. Anything you leave as-is doesn't need to be touched.
This is part of why two-story ADU conversions in older Orange County homes — the 1950s–70s ranches in Anaheim, Fullerton, and Santa Ana where a finished bonus room sits above the garage — often come in at a significantly lower cost than building a new detached unit from scratch.
If you're building atop an existing permitted garage
This is an Addition. No solar triggered.
Adding a story on top of an existing permitted garage to create an ADU is treated as an Addition, not New Construction. The existing structure below counts — you're adding to it, not building fresh. This is one of the more creative ADU configurations in Orange County markets like Garden Grove, Anaheim, and Buena Park, where lot coverage limits often make building out on the ground difficult but building up is permitted.
If you demolish the garage (or similar structure) and build an ADU in its place
This is New Construction. Solar is triggered.
Tearing down an existing structure and building a new ADU on the same footprint doesn't preserve the Addition classification. Once the existing structure is fully demolished, the project is treated as New Construction under California's energy code. If you're considering a garage demo-rebuild, that decision should be made with full knowledge that you're stepping into New Construction requirements — including solar.
Why This Matters When You're Buying, Not Just Building
If you're evaluating an investment property in Orange County with ADU potential, the classification of the planned ADU project should be part of your pre-offer analysis.
Two properties on the same street in Costa Mesa or Garden Grove might both have ADU potential — but one has a detached garage that converts as an Addition, while the other has a clear backyard that would require New Construction. The second scenario has a meaningfully higher build cost, and that difference should flow directly into your offer price and your proforma.
This is especially relevant in OC markets where detached ADU builds are the only realistic path — typically lots where the main home is already large relative to the lot, or where the existing structure isn't worth converting. In those cases, the New Construction classification (and the solar requirement that comes with it) is just part of the math. It's not a reason to walk — but it needs to be priced in.
On the other side, properties with convertible non-habitable structures — detached garages, workshops, pool houses — land in the Addition category, which is one of the reasons garage conversions remain one of the highest-ROI ADU paths in Orange County. Lower build cost, faster permitting, same rental income potential.
A Note on Unpermitted Structures
One variable that complicates all of the above: if there's an existing structure on the property that was never permitted, the classification analysis changes.
An unpermitted garage being converted into an ADU doesn't automatically get Addition treatment — because the base structure isn't recognized by the city. In some cases, you'd need to bring the structure up to current code as if it were new, which can effectively push you into New Construction territory on cost.
Unpermitted ADUs and structures are treated differently at appraisal as well — and not in your favor. Before you count any existing structure toward your ADU classification, pull the permit history and confirm what the city recognizes. In Orange County — whether you're in Anaheim, Costa Mesa, Garden Grove, or Buena Park — that's usually a 10-minute process through the city's online building permit portal.
What to Do With This
If you're planning an ADU build, have a direct conversation with your contractor and your Title 24 consultant — before design, not after — about which classification applies to your specific project. It affects the scope of the energy report, the specs your plans will need to show, and ultimately the construction cost.
If you're buying with ADU potential in mind, factor the classification into your underwriting. A property with a 600 sq ft detached garage in good condition that converts as an Addition is a materially different buy than a vacant lot portion that requires a fully permitted New Construction.
The income potential on both can be similar. The cost to get there is not.
If you want to run through the numbers on a specific property — what ADU type makes sense, what the project would realistically cost, and how it affects the overall investment math — that's the kind of analysis I do before you make an offer, not after you're already in escrow.