California · CA
California contractor license lookup
Search the California license database below and get a live result in seconds. Free, no signup.
Official source
California Contractors State License Board (CSLB). Live lookup from the free official CSLB Master License Data CSV (~1.4M licenses), ingested locally (falls back to the official link-out if not yet ingested).
Open the official California lookup ↗Why verify a California contractor?
A licensed contractor has met your state's requirements and can usually be held accountable through that board. Hiring an unlicensed contractor can void permits, insurance, and your ability to recover if work goes wrong.