California building permits
We index 2,418,996 building permits across 4 California metros — Los Angeles, San Francisco, San Jose, and 1 more — classified into real segments, parcel-joined, with field-level data-quality flags.
The largest segments statewide are Residential Alteration (49%), Commercial Alteration (18%), Multifamily Alteration (18%).
Metros we cover in California
- Los Angeles1,256,660
- San Francisco1,130,766
- San Jose20,170
- Sacramento11,400
Counts are live from the classified index, refreshed nightly. Each metro links to its full breakdown — segments, permit types, and contractors.