ADU (Accessory Dwelling Unit) permits across the US
We index 58,101 ADU (Accessory Dwelling Unit) permits across 4 US metros in 2 states — led by Los Angeles, San Francisco, San Antonio. Every permit is classified into a real segment, parcel-joined, and flagged for data quality.
Activity concentrates in California (97%), Texas (3%).
ADU (Accessory Dwelling Unit) permits by metro
- Los Angeles52,840
- San Francisco3,317
- San Antonio1,919
- Yuba County25
Counts are live from the classified index, refreshed nightly. Each metro links to its full ADU (Accessory Dwelling Unit) breakdown — recent permits, contractors, and the raw feed.