Welcome to the State of California

Contact Us

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


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Maintain & Change Your License

Changing Your Business Name or Address

This section provides information and instructions on changing your Business Name or Address.

Renewing Your License

This section provides information and instructions on renewing your license.

Reactivating Your License

This section provides information and instructions on reactivating your license.

Inactivating Your License

This section provides information and instructions on inactivating your license.

Maintaining Your Bond(s)

This section provides information on bonding requirements and maintaining your bond(s).

Maintaining Your Workers' Compensation

This section provides information on workers'; compensation requirements and maintaining your workers' compensation.

Adding a Classification to Your License

This section provides information and instructions on adding a classification to your existing license.

Ordering a Wall Certificate or Pocket Card

This section provides information and instructions on ordering a Wall Certificate or Pocket Card for your license.

Change in Personnel

This section provides information and instructions for changes in Personnel of a license.

Change in Business Entity

This section provides information and instructions for a change in Business Entity.

Canceling Your License

This section provides information and instructions on canceling your license.