California business resource

California Business License Offices and Permit Finders

Find the city, county, and state offices that may regulate a California business based on its activity and physical location.

When to use this guide

Start with the task, not the agency name.

Use this page before opening, moving, signing a commercial lease, starting home-based operations, selling regulated products, or changing what your business does.

Authoritative links

Go directly to the responsible organization.

CalGOLD permit assistance California’s permit-assistance directory organized by business type and location. California business permits and registration State business portal overview of permits, registration, and assistance. Orange County business services County links for city licenses, fictitious names, property, and other business services. City of Fullerton business registration Official Fullerton Business Registration Certificate information and application links.

Important distinction

Know what this resource does not replace.

A California entity filing is not a universal business license. Licenses, permits, zoning approvals, and professional credentials can be separate requirements.

Continue your research

Explore every California business resource.

Return to the hub for state, federal, local, and business-support directories.

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