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Welcome to the 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 classifications.


Solar Energy System Restitution Program is now available

The Solar Energy System Restitution Program (SESRP) is now available for consumers who were defrauded or financially harmed by licensed or unlicensed solar providers.

Restitution may be available to any California consumer who:

  • resides in a single-family residence,
  • contracted for a solar energy system on or after January 1, 2016,
  • suffered an unresolved financial loss or injury as a result, and
  • can establish their claim through any one of the available methods.

Complete the SESRP form now: English/Spanish

Questions: email CSLB at

More information: SESRP Letter

Prepare for Wildfires and Rebuild Using CSLB Licensed Contractors

Governor Newsom declared May 1-7, 2022, Wildfire Preparedness Week.

Consumers can get prepared using CSLB’s Disaster Help Center:

California Licensed Contractor Stats - As of


Active Licenses


Inactive Licenses


Total Contractors


Change in Last Month


Change in Last 12 Months