County Building Permits

Ventura County, CA - 2026 Building Permit Guide

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

California Updated March 2026

Important: Ventura 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 Ventura County

Permit authority
Building and Safety Division, Resource Management Agency (RMA), County of Ventura
Phone
Ventura office: (805) 654-2771; East County office: (805) 582-8064; General Building & Safety contact: (805) 654-2494
Address
Ventura County Government Center, Administration Building, 3rd Floor, 800 S. Victoria Avenue, Ventura, CA 93009; Ventura Building & Safety office: 800 S. Victoria Ave, Ventura, CA 93009; Simi Valley Building & Safety office: 3855-F Alamo St., Simi Valley, CA 93063

Jurisdictions in Ventura County

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

Unincorporated Ventura County Permit guide → Camarillo Permit guide → Fillmore Permit guide → Moorpark Permit guide → Ojai Permit guide → Oxnard Permit guide → Port Hueneme Permit guide → Santa Paula Permit guide → Simi Valley Permit guide → Thousand Oaks Permit guide → Ventura 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.