ADU (Accessory Dwelling Unit) permits across the US
We index 55,194 ADU (Accessory Dwelling Unit) permits across 2 US metros in 1 state — led by Los Angeles, San Francisco. Every permit is classified into a real segment, parcel-joined, and flagged for data quality.
Activity concentrates in California (100%).
ADU (Accessory Dwelling Unit) permits by metro
- Los Angeles51,918
- San Francisco3,276
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.