Contractors State License Board
The Contractors State License Board (CSLB) protects California consumers by licensing and regulating the state's construction industry. CSLB was established in 1929 and today licenses about 290,000 contractors in 44 different license classifications.
CSLB offers resources and information to help contractors perform professionally, legally, and safely. Visit "instant license check" to learn whether a contractor's license is in good standing with CSLB.