Los Angeles ADU Data

ADU Permits

According to Los Angeles County public records, there have been 14,516 ADU permit applications issued since 2018 (data as of May 9, 2025).

ADU Permit Applications by Year

ADU Permit Approvals by Year

Approval Rate

ADU Permit Applications Map

Note: our data is based on public records, and may not be accurate for municipalities other than Los Angeles.

ADU Violations

According to Los Angeles County public records, there have been 296 issued since 2002 (data as of May 9, 2025).

ADU Violations by Year

ADU violations have been on the rise in Los Angeles, especially since 2017. However, thanks to California AB 2533, there is now a process in place for property owners that want to legalize their unpermitted ADUs.

ADU Violations Map

Note: our data is based on public records, and may not be accurate for municipalities other than Los Angeles.