Residential Addition permits across the US
We index 381,679 Residential Addition permits across 30 US metros in 16 states — led by Los Angeles, Washington, DC, Austin. Every permit is classified into a real segment, parcel-joined, and flagged for data quality.
Activity concentrates in California (42%), Texas (21%), Washington, DC (15%).
Residential Addition permits by metro
- Los Angeles161,574
- Washington, DC57,665
- Austin47,432
- Chicago24,981
- Phoenix19,213
- San Antonio17,376
- Fort Worth15,239
- Charlotte7,527
- Denver7,143
- Minneapolis5,977
- Miami3,822
- Atlanta2,819
- Norfolk2,604
- Louisville1,973
- Houston1,917
- Portland1,211
- Columbus1,093
- Boston555
- Detroit323
- Santa Fe294
- Wake County265
- New Hanover County186
- Beaufort County157
- Hawaii County81
- West Palm Beach55
- Whatcom County48
- Mobile45
- Walton County39
- Clayton County37
- Miramar28
Counts are live from the classified index, refreshed nightly. Each metro links to its full Residential Addition breakdown — recent permits, contractors, and the raw feed.