Garden Grove ADU Homes for Sale — Prices, Rents & Closed Sales (September 2026)
Garden Grove has quietly become one of the most active ADU markets in Orange County, and the September 2026 data makes that impossible to ignore. Every ADU home that closed in this cycle sold over asking price. Rents on newer ADUs are pushing past $3,000 a month. And fresh inventory keeps arriving — everything from entry-level fixer compounds under $900,000 to turnkey multi-income estates approaching $2.4 million.
If you're thinking about buying or selling a home with an ADU in Garden Grove, here's what the market looks like right now.
Active Listings — Garden Grove ADU Homes for Sale
There are currently 11 active and coming-soon homes with ADUs on the market in Garden Grove, spanning a wide range of price points, configurations, and ADU sizes. California's state ADU law continues to drive production across the city, and the inventory reflects that — from legacy conversions pulling low rents to brand-new 2026-built detached ADUs generating institutional-grade income.
Entry-level (under $1M)
12832 Sycamore St, Garden Grove 92841 — $899,000 | 1 bd/1 ba main (680 SQFT) + 2 bd/1 ba ADU (800 SQFT) | ADU rented by seller | Lot: 5,417 SQFT | Active since 9/2
12072 Bluebell, Garden Grove 92840 — $899,000 (cash offers only) | 4 bd/2 ba main (2,050 SQFT) + Junior ADU (308 SQFT, upstairs, 1976-era) | First time on market since 1955 | Fixer opportunity
Mid-range ($1M–$1.75M)
11771 Mac Murray, Garden Grove 92841 — $1,249,000 | 5 bd/3 ba main (1,681 SQFT) + 2 bd/1 ba ADU (609 SQFT, rented $600/mo by seller) | Corner lot | 1954 home
12292 Bluebell, Garden Grove 92840 — $1,199,888 | 4 bd/2 ba main (1,830 SQFT) + 1 bd/1 ba ADU (500 SQFT) | Steps from Disneyland Resort and the Anaheim Convention Center
10382 Bonnie, Garden Grove 92843 — $1,396,000 | 5 bd/5 ba main (2,300 SQFT) + 2 bd/2 ba ADU (750 SQFT, 2023, rented $2,500/mo) | Lot: 6,800 SQFT
12532 Twinleaf, Garden Grove 92840 — $1,490,000 | 7 bd/4 ba total | Brand-new 2026 ADU (1,200 SQFT, 4 bd/2 ba) + remodeled main house (1,282 SQFT) | Open house 9/4–9/5 | New construction
12521 Aristocrat, Garden Grove 92841 — $1,650,000 | 8 bd/5 ba total | Junior ADU (380 SQFT, attached, rented) + Standard ADU (1,200 SQFT, 4 bd/2 ba, detached, rented) | Both ADUs completed 2026 | 8,100 SQFT lot | Three-unit compound
Upper range ($1.7M+)
13611 Glenhaven Dr, Garden Grove 92843 — $1,728,000 (auction, bidding opens 9/18/2026) | Triplex estate | Primary residence (~1,200 SQFT, rented $3,400/mo) + second residence (4 bd/2 ba, 1,200 SQFT, rented $3,800/mo) + studio ADU (rented $1,400/mo) | Combined: ~$8,600/mo | Lot: 7,564 SQFT
12582 Safford, Garden Grove 92840 — $1,749,000 | 8 bd/5 ba total | Main house (2,393 SQFT, rented $5,350/mo) + ADU (800 SQFT, 2 bd/2 ba, 2024, rented $2,350/mo) | Combined income ~$7,700/mo | Corner lot, 9,888 SQFT
11602 Lampson, Garden Grove 92840 — $2,399,000 | 7 bd/4 ba main (7,147 SQFT) + ADU (3 bd/2 ba, 1,200 SQFT, 2024, rented $3,200/mo) | Half-acre lot (25,120 SQFT) | 13 parking spaces, 4-car garage workshop | Rare density for Garden Grove
11841 Magnolia St, Garden Grove 92841 — $2,650,000 (Coming Soon — first showing 9/30) | Custom 2026 new construction estate | Main house (3,424 SQFT, 7 bd/6 ba) + detached ADU (~795 SQFT, 2026) | Both units built 2026 | Solar owned
What ADUs Are Renting For in Garden Grove
ADU rental income varies dramatically by size, age, and build quality. Here's a snapshot from active listings:
ADU SizeYear BuiltCurrent Rent308 SQFT (JADU)1976Unrented609 SQFT1954 (legacy)$600/mo800 SQFTLegacyRented (amt by seller)500 SQFTRecentUnrented750 SQFT2023$2,500/mo800 SQFT2024$2,350/mo1,200 SQFT2024$3,200/mo1,200 SQFT2023$3,800/mo
The pattern is stark: the year an ADU was built explains more about what it rents for than almost any other variable. A 2023–2024 detached ADU of 1,200 square feet is generating $3,200–$3,800 per month in Garden Grove. Older or smaller units are pulling $600–$800. If you're looking at a property where the ADU rent seems low, it's almost always a sign the unit is legacy construction — often pre-permit, undersized, or in need of a full renovation.
If you're buying a home that has an existing unpermitted ADU, it's worth understanding your options before you close. There's a separate breakdown of AB 2533 vs. demo decisions that covers how buyers should think through that call — because the right answer depends heavily on size, setbacks, and the city's current permit pathway.
Closed Sales — What ADU Homes Actually Sold For
Three ADU properties closed in Garden Grove in late August through early September 2026. All three went over asking:
AddressList PriceClose PriceADUClose Date12041 Faye, GG 92840$1,050,000$1,100,000 (+$50K)JADU, 1 bd, 900 SQFT9/3/202611622 Candy Ln, GG 92840$1,200,000$1,225,000 (+$25K)Standard, 2 bd/2 ba, 715 SQFT — rented $2,100/mo8/31/202612572 Barbara, GG 92841$1,450,000$1,470,000 (+$20K)Standard, 4 bd/2 ba, 1,060 SQFT — 2026 built~8/19/2026
The Candy Ln property closed with seller financing in place and an ADU already tenanted at $2,100/month — a combination that drew competitive interest. The Barbara St close featured a brand-new 2026-built ADU and came in $20,000 over list. The Faye property had the sharpest close-to-list ratio: $50,000 over asking on a $1.05M list price.
Three closings. Three over-asking sales. That's not random — it reflects buyers who are underwriting ADU income seriously and bidding accordingly.
What This Means for Buyers and Sellers
For sellers: Garden Grove ADU homes are moving with real competition. If you have a property with an income-producing ADU — especially a 2020-or-newer permitted build — current demand supports strong list prices and above-ask closes. If you're not sure how to price or position a home with an ADU, the complete seller's guide for ADU homes covers how buyer underwriting for these properties differs from standard listings.
For buyers: The entry point for a home with a modern, income-producing ADU in Garden Grove starts around $1.2–1.4 million. At the higher end, properties like the Lampson compound — half an acre, a $3,200/month ADU, and commercial-grade parking — represent the kind of density that almost never surfaces in this city. For buyers considering a multi-unit purchase or a lot with ADU-add potential, this guide to finding ADU-potential lots in Orange County covers what to look for and how to evaluate the numbers.
On income underwriting: When lenders qualify buyers using ADU rental income, Fannie Mae's ADU income guidelines set the floor for what's documentable. A tenanted ADU with a signed lease and rental history is a fundamentally different purchase from one with a vacant or legacy unit, and the loan options reflect that. If you're stretching to afford a property because of projected ADU income, confirm the documentation path with your lender before you're under contract.
On market comparison: By contrast, markets like Cypress and Buena Park have thin ADU comp data, which limits buyer confidence and appraisal headroom. Garden Grove — alongside Anaheim and Long Beach — is one of the OC markets where ADU properties have enough recent sales history to support solid appraisals.
Data sourced from CRMLS as of September 3, 2026. Active listings are current as of print date; status may have changed. Closed sale data reflects available MLS records. Information is deemed reliable but not guaranteed — buyers and sellers are encouraged to independently verify all details including permit status, square footage, lot dimensions, and rental history.
Looking to buy or sell an ADU property in Garden Grove? Contact Dylan Serna — ADU specialist serving Orange County and LA County.
