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 South Bay of San Diego County, public records show 1,522 ADU permits in the 4 cities listed below. The most active are Chula Vista (981), Imperial Beach (242) and National City (185).
| City | ADU permits |
|---|---|
| Chula Vista | 981 |
| Coronado | 114 |
| Imperial Beach | 242 |
| National City | 185 |
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.