Public-record permit data only — not zoning, feasibility, or legal advice. Records may be incomplete, delayed, or mis-categorized. Check with your city planning department.
Across the Gateway Cities, public records show 5,791 ADU permits in the 5 cities listed below. The most active are Long Beach (3,486), Downey (811) and Lakewood (581).
| City | ADU permits |
|---|---|
| Downey | 811 |
| Lakewood | 581 |
| Long Beach | 3,486 |
| Norwalk | 468 |
| Whittier | 445 |
Where the numbers come from
Counts come from the California Department of Housing and Community Development's annual progress reports, which every city files with the state. Each area's page shows its yearly counts and, where the source publishes them, permit times, ADU types and declared costs.