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

Other Office Locations


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Contact CSLB

This state board receives and processes applications for new contractors licenses, additional classifications and certifications, renewals and changes to existing licenses, home improvement salesperson applications, and maintains the license and historical records of disciplinary actions taken against licenses. Fee payments only are accepted at Sacramento Headquarters.

Headquarters directs the activities of the field offices and initiates all disciplinary actions resulting from investigations. Field office staff investigates complaints against licensed and unlicensed contractors.

Headquarters Office Contact Information
Location: Map To CSLB Contractors State License Board
9821 Business Park Drive
Sacramento, CA 95827
Mailing Address: P.O. Box 26000
Sacramento, CA 95826
24-Hour Licensing and Consumer Information: (800) 321-CSLB (2752)
Tips for Calling CSLB's Licensing Information Center
Outside California: (916) 255-3900
Bond Unit Fax: (916) 255-4023
Reporters/News Media: CSLB Public Affairs Office
Report Unlicensed Activity: Statewide Investigative Fraud Team
Hours of Operation: Monday through Friday
8:00 a.m. to 5:00 p.m.
(closed holidays)


Northern Office Contact Information
Location: Map To CSLB Contractors State License Board
9821 Business Park Drive
Sacramento, CA 95827
Northern Case Management: (916) 255-4027
Northern Statewide Investigative Fraud Team: (916) 255-2924
Report Unlicensed Activity
Hours of Operation: Monday through Friday
8:00 a.m. to 5:00 p.m. (Pacific Time)
(closed holidays)

Alert symbol Fee payments only are accepted at Sacramento Headquarters.

Northern District Office Contact Information
Sacramento Intake and Mediation Center: P.O. Box 269116
Sacramento, CA 95826
(800) 321-CSLB (2752)
Central Statewide Investigative Fraud Team: (559) 490-0580
Report Unlicensed Activity
Fresno Investigation Center: Map To CSLB 1277 East Alluvial Ave.
Suite 106
Fresno, CA 93720
(800) 321-CSLB (2752)
Sacramento Investigative Center: P.O. Box 269115
Sacramento, CA 95826
(800) 321-CSLB (2752)
San Francisco Investigative Center: Map To CSLB 301 Junipero Serra Blvd.
Suite 206
San Francisco, CA 94127
(800) 321-CSLB (2752)
Hours of Operation: Monday through Friday
8:00 a.m. to 5:00 p.m.
(closed holidays)

Alert symbol Fee payments only are accepted at Sacramento Headquarters.

Northern Branch Office Contact Information
Berkeley Branch: Map To CSLB 700 Heinz Avenue
Suite 300
Berkeley, CA 94710
(800) 321-CSLB (2752)
Santa Rosa Branch: Map To CSLB 50 D St.
Room 400
Santa Rosa, CA 95404
(800) 321-CSLB (2752)
Hours of Operation: Limited

Alert symbol Fee payments only are accepted at Sacramento Headquarters.

Southern Office Contact Information
Location: Map To CSLB Contractors State License Board
12501 East Imperial Hwy.
Suite 600
Norwalk, CA 90650
Southern Case Management: (562) 345-7656
Southern Statewide Investigative Fraud Team: (562) 345-7600
Report Unlicensed Activity
Hours of Operation: Monday through Friday
8:00 a.m. to 5:00 p.m. (Pacific Time)
(closed holidays)

Alert symbol Fee payments only are accepted at Sacramento Headquarters.

Southern District Office Contact Information
Norwalk Intake and Mediation Center: Map To CSLB 12501 East Imperial Hwy.
Suite 620
Norwalk, CA 90650
(800) 321-CSLB (2752)
Norwalk Investigative Center: Map To CSLB 12501 East Imperial Hwy.
Suite 630
Norwalk, CA 90650
(800) 321-CSLB (2752)
San Bernardino Investigative Center: Map To CSLB 1845 Business Center Dr.
Suite 206
San Bernardino, CA 92408
(800) 321-CSLB (2752)
San Diego Investigative Center: Map To CSLB 9246 Lightwave Ave.
Suite 130
San Diego, CA 92123
(800) 321-CSLB (2752)
Valencia Investigative Center: Map To CSLB 28480 Avenue Stanford
Suite 120
Valencia, CA 91355
(800) 321-CSLB (2752)
West Covina Investigative Center: Map To CSLB 100 N. Barranca St.
Suite 300
West Covina, CA 91791
(800) 321-CSLB (2752)
Hours of Operation: Monday through Friday
8:00 a.m. to 5:00 p.m. (Pacific Time)
(closed holidays)

Alert symbol Fee payments only are accepted at Sacramento Headquarters.

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