San Francisco Bay Area Contractor License Lookup

How to Verify a Contractor License in San Francisco Bay Area

Before hiring a contractor in the San Francisco Bay Area area, verify their license through the California Contractors State License Board (CSLB). Use the search box above to look up any contractor by name, license number, or business name. Our database includes 27,067 licensed contractors across San Francisco Bay Area and surrounding cities.

What to Check

• License status — must show "Active" (not expired, suspended, or revoked)
• Classifications — must cover the type of work you need (e.g., B for general building, C-10 for electrical)
• Surety bond — California requires a $25,000 contractor bond
• Workers' compensation — required unless the contractor has no employees
• Complaint history — check for past disciplinary actions

San Francisco Bay Area Contractor Licensing Facts

California requires state licensing for any construction project over $500 in labor and materials. The San Francisco Bay Area area has 27,067 licensed contractors, of which 25,996 hold active licenses. 1,070 contractors currently have suspended licenses — always verify before hiring.

Report an Unlicensed Contractor

If you suspect a contractor in San Francisco Bay Area is working without a license, you can report them to the CSLB at cslb.ca.gov or call 800-321-CSLB (2752). Unlicensed contracting is a misdemeanor in California.