Detached ADUs
A separate dwelling in the backyard or elsewhere on the lot.
ADUs
Can this property support an ADU?
If you are considering a backyard unit, a garage conversion, or a unit inside the existing home, start with the property. A free preliminary screen is a first look. When you want a person to review the address, tell us about the project.
ADU project types
Garage conversions
Turning an existing garage into living space, with the structural and permit issues that come with it.
Attached ADUs
An addition-style unit connected to the existing home.
Interior / Junior ADUs
A unit created within the existing house, often using a bedroom and an existing entrance.
Basement or lower-level conversions
Converting below-grade or downhill space when the building and site can support it.
Multifamily ADUs
ADU opportunities on duplex, triplex, and larger residential properties.
ADU planning tools
Free
Free Preliminary ADU Screen
A short questionnaire about the property and the kind of unit you are considering. It uses your answers and available public data to show whether an ADU is worth a closer look.
The free ADU screen is a preliminary planning tool. It is not permit approval, engineering design, legal advice, or a construction estimate.
Start Free ADU Screen$49
$49 Local ADU Permit Path Snapshot
A human-reviewed desktop snapshot that checks the local permit path, property information, obvious red flags, and next steps using official city/county sources and public records where available.
Request a $49 SnapshotScoped after review
Detailed ADU Feasibility Report
A deeper review for homeowners, buyers, or agents who need a more complete decision memo before moving forward with design, permits, or construction.
Request Detailed FeasibilityIf the ADU is worth pursuing
The next work may include structural or civil engineering, permit drawings, responses to city comments, and construction support. Scope is confirmed in writing before paid work begins.
Engineering and construction after a first look