California contractor license lookup
California contractors doing jobs of $500 or more (labor and materials) must hold a CSLB license. Search below by business name or license number.
- Free, no sign-up
- Official state data
- Result in seconds
What the California record shows
CSLB publishes status, issue and expiration dates, classifications, the contractor bond surety and amount, and workers' compensation coverage.
Data: CSLB License Master public data file (currently renewed or expired-but-renewable licenses), including classifications, contractor bond and workers' compensation details. (dataset)
How to verify a California contractor
- Search by license number (most precise) or exact business name.
- Confirm the status is active and the expiration date is after your project ends.
- Match the license classification to the job.
- Ask for proof of insurance and any required bond; compare the business name on the contract to the record.
- Confirm on the official Contractors State License Board (CSLB) portal.
For contractors in California
California bond requirements →California contractor bond: CSLB requires a $25,000 contractor license bond (Business and Professions Code 7071.6). 99.8…Contractor insurance →General liability and workers' comp basics.
Free
Get an email before a license expires
Your own license, or a contractor you hired. Step 1 of 2 — just your email.