Contact Us
Contractors State License Board9821 Business Park Drive
Sacramento, CA 95827
Phone (800) 321-CSLB
Consumers- Filing a Complaint
Filing a Construction Complaint
CSLB's complaint process and procedures are designed to protect the public in matters pertaining to construction and to assist in the resolution of construction related complaints. CSLB handles any violations of the Contractors License Law, whether the contractor is licensed or unlicensed, for up to four years from the date of the act. To review the legal jurisdiction defined by law, see Complaint Jurisdiction in the QuickLinks menu on the left.
How the Complaint Process Works
This section is an overview about how CSLB addresses complaints and the procedures that are followed.
File a Complaint
This section provides a step-by-step process to file a complaint online or by mail.
After You File Your Complaint
This section covers what happens once your complaint is filed.
