Guides
Use the public guide pages to find current city coverage, compare local pre-approved ADU plan programs, and verify official sources before relying on a plan.
Published guides
City guide index
Browse state city guide pages built from current public data, then jump to local ADU plan program pages, accepted listings, providers, and official sources.
State city guides
Browse source-backed California city pages for local pre-approved ADU plan programs, accepted listings, and official source links.
15 cities across 9 counties with 233 accepted listings.
Directory starting points
Guide pages summarize current public coverage. Use the directory pages below to review accepted plan records, source freshness, and local context before starting an application.