County Building Permits

Los Angeles County, CA - 2026 Building Permit Guide

Building permit information for unincorporated Los Angeles County and all incorporated cities. Find your jurisdiction's permit authority, application process, fees, and requirements.

California Updated March 2026

Important: Los Angeles County issues building permits only for properties in unincorporated areas of the county. If your property is inside an incorporated city, select your city below — that city's building department handles your permits, not the county.

Unincorporated Los Angeles County

Permit authority
Los Angeles County Public Works, Building and Safety Division
Phone
(626) 458-3173
Address
900 S. Fremont Avenue, 3rd Floor, Alhambra, CA 91803

Jurisdictions in Los Angeles County

Select your jurisdiction for local permit authority, portal links, application steps, fees, and inspection requirements.

Unincorporated Los Angeles County Permit guide → Agoura Hills Permit guide → Alhambra Permit guide → Arcadia Permit guide → Artesia Permit guide → Avalon Permit guide → Azusa Permit guide → Baldwin Park Permit guide → Bell Permit guide → Bell Gardens Permit guide → Bellflower Permit guide → Beverly Hills Permit guide → Bradbury Permit guide → Burbank Permit guide → Calabasas Permit guide → Carson Permit guide → Cerritos Permit guide → Claremont Permit guide → Commerce Permit guide → Compton Permit guide → Covina Permit guide → Cudahy Permit guide → Culver City Permit guide → Diamond Bar Permit guide → Downey Permit guide → Duarte Permit guide → El Monte Permit guide → El Segundo Permit guide → Gardena Permit guide → Glendale Permit guide → Glendora Permit guide → Hawaiian Gardens Permit guide → Hawthorne Permit guide → Hermosa Beach Permit guide → Hidden Hills Permit guide → Huntington Park Permit guide → Industry Permit guide → Inglewood Permit guide → Irwindale Permit guide → La Canada Flintridge Permit guide → La Habra Heights Permit guide → La Mirada Permit guide → La Puente Permit guide → La Verne Permit guide → Lakewood Permit guide → Lancaster Permit guide → Lawndale Permit guide → Lomita Permit guide → Long Beach Permit guide → Los Angeles Permit guide → Lynwood Permit guide → Malibu Permit guide → Manhattan Beach Permit guide → Maywood Permit guide → Monrovia Permit guide → Montebello Permit guide → Monterey Park Permit guide → Norwalk Permit guide → Palmdale Permit guide → Palos Verdes Estates Permit guide → Paramount Permit guide → Pasadena Permit guide → Pico Rivera Permit guide → Pomona Permit guide → Rancho Palos Verdes Permit guide → Redondo Beach Permit guide → Rolling Hills Permit guide → Rolling Hills Estates Permit guide → Rosemead Permit guide → San Dimas Permit guide → San Fernando Permit guide → San Gabriel Permit guide → San Marino Permit guide → Santa Clarita Permit guide → Santa Fe Springs Permit guide → Santa Monica Permit guide → Sierra Madre Permit guide → Signal Hill Permit guide → South El Monte Permit guide → South Gate Permit guide → South Pasadena Permit guide → Temple City Permit guide → Torrance Permit guide → Vernon Permit guide → Walnut Permit guide → West Covina Permit guide → West Hollywood Permit guide → Westlake Village Permit guide → Whittier Permit guide →

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the relevant city or county department before applying.

Related California Resources

License Requirements Verify your contractor's California license → Contract Template Free homeowner-contractor agreement →

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authorities listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.