Buena Park ADU Properties — Market Update (April 2026)
Buena Park is a thin ADU market — and that's not a criticism, it's useful information. With only 3 total ADU listings across active and under-contract status this month, buyers and sellers here have a smaller reference pool than in nearby cities like Garden Grove or Santa Ana. But what the data lacks in volume, it makes up in clarity: the properties that move reveal exactly where buyers are drawing the line on price and configuration.
If you owned an ADU property in Buena Park last month, you saw a similar picture — limited listings, price sensitivity, and buyer demand concentrated at the lower end. April confirms that pattern.
Here's the full breakdown for April 2026.
What's Active Right Now: 2 ADU Listings
Two ADU properties are currently active in Buena Park. Both have seen price reductions, and both are sitting above the one listing that went under contract this month. The price range runs from $1,299,000 to $1,550,000.
6031 Stanton, Buena Park 90621 — $1,299,000 (Price Reduced)
This is a true three-unit income property — a triplex structure with a garage conversion ADU, not a typical main-home-plus-ADU setup. The main home runs 6 beds and 3 baths across 1,858 combined square feet at $699.14 per square foot. The garage conversion ADU — built in 2022 and approximately 660 square feet — is 1 bed and 1 bath, currently occupied and rented at $1,800 per month. Total current rental income across all three units: $3,900 per month. Market-rate income potential according to the listing: approximately $7,500 per month.
The property has been on market for 39 days after a price reduction from $1,349,000 on April 8. Electric and gas meters are separate; water is shared. There's no separate address for the ADU, and showings are drive-by only due to tenants in place.
The income story here is compelling on paper — $7,500/month potential on a $1.299M purchase is a strong gross yield — but buyers will note the property dates to 1948 with a 2022 garage conversion, and the shared water meter is a competitive disadvantage in a market where newer ADUs increasingly come with fully separate utilities. Showing a property with tenants in place also adds friction — drive-by-only restrictions limit buyer engagement and slow the process.
4751 Saint Andrews, Buena Park 90621 — $1,550,000 (Price Reduced)
Located in the Los Coyotes Country Club neighborhood, this single-story home sits on a large 10,648-square-foot lot — nearly a quarter acre. The main house, remodeled in 2025, is 4 beds and 3 baths at approximately 2,133 square feet. The Junior ADU is approximately 573 square feet — 1 bed, 1 bath, built in 2024, attached with a separate address and separate electric and gas meters. The ADU generates approximately $2,500 per month in rental income.
At $726.68 per square foot and 31 days on market, this is the most expensive active ADU listing in Buena Park right now. The property was reduced from $1,650,000. The Los Coyotes Country Club location adds a premium — one of Buena Park's most desirable neighborhoods — but the ADU is a 573-square-foot Junior ADU, not a full detached unit, which limits the income ceiling and affects how lenders assess the property. The distinction between detached versus attached ADUs matters here: a Junior ADU embedded in the main structure commands less rent and typically receives less weight in appraisals than a fully independent detached unit.
Active Listings: ADU Size Breakdown
Both active listings feature ADUs under 700 square feet:
573 sqft JADU — 4751 Saint Andrews (attached, 2024, separate address)
660 sqft — 6031 Stanton (garage conversion, 2022, no separate address)
Compared to Garden Grove's active inventory, where larger ADUs have become the norm, Buena Park's current listings skew toward smaller, older, or attached units. This is a meaningful distinction for buyers — smaller ADUs generate less rental income and may receive less credit from lenders evaluating the ADU's contribution to qualifying income under Fannie Mae's appraisal guidelines.
Under Contract: 1 Property
7586 El Prado, Buena Park 90620 — $1,199,900 (Under Contract)
This one tells the story of Buena Park's buyer demand. At $1,199,900 — the lowest price point of any Buena Park ADU listing this month — it took 69 days to find a buyer. The main house is 3 beds and 1 bath at approximately 1,742 square feet on a 6,666-square-foot corner lot. The newly built ADU is approximately 750 square feet — 2 beds, 2 baths, detached, and vacant at time of listing.
The property's infrastructure is exceptional: a fully paid-off solar system (4.455 kW) with two Tesla Powerwall battery storage units, a 200-amp upgraded electrical panel, Tesla EV charger in the finished garage, and the ADU has its own separate solar system (2.61 kW). Gated RV parking and alley access round out an unusually well-equipped setup for this price point. It's near Knott's Berry Farm with easy freeway access.
Despite this — lowest price, vacant ADU ready to rent, turnkey energy infrastructure — it still sat for 69 days before going under contract. That 69-day timeline is a critical data point: even the best-priced and best-equipped ADU listing in Buena Park this month took over two months to find a buyer.
Under Contract: Days on Market
7586 El Prado — 69 days to under contract
The extended timeline here reflects what we see consistently across thin ADU markets in Orange County. When there are fewer active listings, there are also fewer buyers actively searching that city. Compare this to Santa Ana or Garden Grove, where priced-right ADU properties under $1.3M have been going pending in under 30 days.
What This Data Tells Us
Buena Park is a thin but real ADU market. Three listings is a small sample, but it still reveals clear patterns. The one property that went under contract was the cheapest, had a vacant ADU, and was loaded with energy upgrades. Buyers here want flexibility — not inherited tenants, not older conversions, not shared utilities.
Price reductions are the norm. Both active listings have had price cuts since their original list dates, and the property that went under contract needed none — it was already priced below the competition from day one. If you're a seller in Buena Park, the data suggests you have very little room to overprice. With only two competing listings, buyers know exactly what else is available, and they'll wait.
ADU size matters, and Buena Park's current inventory skews small. The 573-square-foot JADU and 660-square-foot garage conversion are both below what newer construction is delivering in cities like Fullerton and Long Beach, where 800–1,000 square foot detached ADUs are increasingly standard. California state law permits detached ADUs up to 1,200 square feet, and sellers with larger units have a measurable advantage at the negotiating table.
Separate meters and separate addresses are increasingly expected. The Stanton Street property's shared water meter and lack of a dedicated ADU address are genuine competitive disadvantages in 2026. Across Orange County's ADU market, what Fannie Mae's guidelines require to treat an ADU as a fully rentable unit — separate metering, independent access, distinct address — has become what buyers expect before they'll pay full price. If your ADU still shares water or lacks its own address, that's a negotiating chip your buyer will use.
The income ceiling in Buena Park is lower than neighboring markets. At $3,900/month current (Stanton) and $2,500/month (Saint Andrews ADU alone), these properties aren't generating the $7,000–$11,000/month figures we're seeing in Garden Grove's multi-ADU setups. That's partly a function of ADU size and configuration, and partly a function of where Buena Park rents are. If you're evaluating where to buy for income, running the comps before you commit is essential — especially in a market this thin, where one or two listings can create a misleading picture of typical returns.
Bottom Line for Buena Park ADU Sellers
If you own an ADU property in Buena Park and you're thinking about selling, the data this month is a clear signal: buyer demand is real but limited. The one that went under contract was priced to move, had a move-in ready ADU, and still took 69 days. Both active listings have been reduced and remain unsold.
To position competitively:
Price below or at $1.3 million if your ADU is older, attached, or lacks separate utilities
Deliver the ADU vacant — buyers in this market want to set their own tenants and terms
If you have separate meters and a separate ADU address, lead with that in every marketing piece
Don't expect a bidding war; expect a single serious buyer after several weeks of deliberate exposure
If you own an ADU property in Buena Park and want to know exactly where your home sits relative to this data, reach out. I track every ADU listing in this city month over month and can pull a comp-specific analysis for your property.
Dylan Serna · ADU Specialist · adurealtor.net
