Welcome to the State of California

Contact Us

Contractors State License Board
9821 Business Park Drive
Sacramento, CA 95827
Phone (800) 321-CSLB (2752)

Other Office Locations

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Building Officials

Check a License

Look up a licensed contractor to verify information and find out about any complaints disclosed.

Report Unlicensed Activity

This section defines illegal contracting and how to report unlicensed activity with the Statewide Investigative Fraud Team (SWIFT).

Enforcement, Complaints, and Citations

This section provides a brief description of complaints against licensed and unlicensed contractors, as well as the suspension and revocation process.

Look up Laws and Regulations

This section provides relevant legal references and Precedent Decisions.

Look up Classifications

This section provides a comprehensive list of CSLB license classifications.


This section covers some of the facts that owner-builders face.