Los Angeles
YOU-ADU: free city plan
455 sq ft, one story, one bedroom with configuration options. The city source lists it as Approved; site review remains required.
Open official plan resource ↗Read the local guide ↗California / Local ADU planning
Separate city and county plan catalogs, with local design and building resources.
The local starting point
Start by identifying LADBS, LA County or another city as your permitting agency. Check the exact plan’s current status before relying on preapproval.
Start with the right permit office
City of Los Angeles and the County permitting path. Other incorporated cities are not yet covered by a local guide.
Explore the design options
A standard design still needs site-specific work. Program participation does not verify a builder’s current license.
Los Angeles
455 sq ft, one story, one bedroom with configuration options. The city source lists it as Approved; site review remains required.
Open official plan resource ↗Read the local guide ↗Los Angeles County
Three county-listed designs with one bathroom each. Prepare the required site documentation before applying.
Open official plan resource ↗Read the local guide ↗Make a useful shortlist
Company websites and public permits provide different kinds of evidence. Listings are research starting points; confirm service area, credentials and availability directly.
Get ready for the first conversation
Build a budget with your own local estimates, then compare providers on design, site work, utilities and permit responsibilities.
Build your budget ↗Check the relevant professional board for architects and other separately licensed services.