Do I need a permit for an ADU or garage conversion in Los Angeles, CA?

Short answer: We could not confirm from an official source whether an ADU or garage conversion needs a permit in Los Angeles, CA; check with City of Los Angeles Department of Building and Safety (LADBS) before you start.

Last verified: 2026-10-19 · Confidence: low · Status: Unverified, confirm locally

Not legal advice. Always confirm with your local building department. Rules change, and your parcel's zoning, HOA, historic district, floodplain or utility work can change the answer. We show the official source and the date we last checked it so you can verify for yourself.

Unverified, confirm locally Confidence: low

Unverified: LADBS lists ADUs among common permits, but we did not find an official page we could quote on their requirements.

Note: Unverified, confirm locally.

Cost

Fee not extracted; see the LADBS fee schedule. Unverified, confirm locally

Fee source: https://dbs.lacity.gov/services/homeowner-step-by-step

Where to apply

LA Department of Building and Safety (LADBS): Express Permits online or by appointment

Permitting authority: City of Los Angeles Department of Building and Safety (LADBS). Applies inside the City of Los Angeles only (not other cities or unincorporated LA County). Zoning sets fence heights separately from the building code. Fire hazard zones and hillside areas add rules. See also: how to apply for a building permit.

Official sources

Verified: 2026-10-19 · Status: unverified · Confidence: low

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Other projects in Los Angeles

ADU or garage conversion permits elsewhere in California

ADU or garage conversion permits in other cities

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