Check A License – CSLB

Look up a contractor license or Home Improvement Salesperson (HIS) registration to verify information, including complaint disclosure. Before hiring a contractor or signing a contract, CSLB recommends you read the Hiring a Contractor page.



















Enter the contractor license number to check the status of their license.


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A California contractor license number doesn’t contain alphabetic characters. Each contractor’s plastic pocket license will show the respective license number. Begin entry of your license number at the left position and don’t exceed 8 digits in the license number.








Please note: Our database is unavailable Sundays at 8 p.m. through Monday at 6 a.m. due to scheduled maintenance.

Trying to hire a licensed contractor and don’t know where to start? Click here to create a list of licensed contractors by City or ZIP code.




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