Public permit records · Los Angeles, Orange, San Diego & Ventura counties

Have my neighbors built ADUs or converted their garages?

Explore permitted accessory dwelling units near an address in the City of Los Angeles, Long Beach, Pasadena and other Los Angeles County cities, across Ventura and San Diego counties, and in most of Orange County.

What can I build on my lot? Check its zoning, size and fire zone →

ADU permits on record: 106,346
cities and areas: 80
Los Angeles and San Diego neighborhoods: 121
latest source update: Nov 5, 2026

An example backyard cottage. Photo: hugoteconecta / Pexels

Plan your ADU with real records

Permit map See the ADUs and garage conversions permitted near any address, by type and year.
What can I build here? Lot size, zoning, fire and historic overlays, and the permits already on the parcel.
ADU cost estimator A cost range from published research and what neighbors declared on their permits.

ADU permits near an address

Public-record permit data only — not zoning, feasibility, or legal advice. Records may be incomplete, delayed, or mis-categorized. Check with your city planning department.

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Tip: you can also click the map to search around that spot.