Home/Areas We Serve/Buena Park
ADU builder in Buena Park, CA
ADU permits in Buena Park more than doubled in 2025. With mostly flat single-family lots and good freeway access, it’s one of north Orange County’s best opportunities for a backyard home.
North Orange County
Building an ADU in Buena Park.
What’s different about adding an ADU here, and how we plan around it.
A fast-growing ADU market
Buena Park went from 86 ADU permits in 2024 to 179 in 2025, one of the biggest increases in Orange County.
Local size and height rules
Detached ADUs here can be up to 1,000 sq ft and 16 ft, or 20 ft within half a mile of transit. Attached ADUs can match the main house up to 30 ft.
In-person submittals
Buena Park is among the Orange County cities that still accept ADU plans at the counter rather than fully online. We prepare and submit the package for you.
Plans that fit
Floor plans that work within Buena Park’s rules.
These ready-to-build plans fit Buena Park’s size, height limits. Our studio can adjust any of them to your lot.
Plan 400F
Studio · 1 Bath · 400 ft²
Plan 450
1 Bed · 1 Bath · 450 ft²
Plan 484
1 Bed · 1 Bath · 484 ft²
Plan 744
2 Bed · 1 Bath · 744 ft²
Plan 800
2 Bed · 2 Bath · 800 ft²
Plan 1000
3 Bed · 2 Bath · 1,000 ft²
How we work in Buena Park
One team from first visit to move-in.
01
Free ADU analysis
We review your Buena Park lot, what the local rules allow and which plans fit, with an estimated cost.
02
Design
Our in-house studio prepares construction-ready plans in about 1–2 months.
03
Permits
We submit to the City of Buena Park and handle every round of plan check.
04
Fixed-price build
Construction in about 4–5 months, managed by one project manager from our Long Beach office.
Buena Park ADU questions
Common questions in Buena Park.
How big can an ADU be in Buena Park?
Detached and attached ADUs can be up to 1,000 sq ft. A junior ADU inside the house can be up to 500 sq ft.
How tall can an ADU be in Buena Park?
Detached ADUs can be 16 ft, or 20 ft within half a mile of transit. Attached ADUs can be as tall as the main house, up to 30 ft.
How do I submit ADU plans in Buena Park?
Buena Park accepts ADU plans in person at the permit counter. We prepare the full package and handle the submittal and corrections for you.
Nearby
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Tell us about your Buena Park property and we’ll prepare a free ADU analysis: what fits on your lot, the rules that apply, recommended plans, estimated cost and timeline.
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Serving homeowners throughout Los Angeles and Orange County.