Contact CSLB

Tips for Contacting CSLB's Public Information Center

CSLB Public Information Center Frequently Asked Questions

The Contractors State License Board receives and processes applications for new contractor licenses; additional classifications and certifications, renewals, and changes to existing licenses; home improvement salesperson registration applications; and maintains the license and historical records of disciplinary actions taken against licenses.

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.

For details on filing a complaint against a contractor, visit this page.

Headquarters Location: Contractors State License Board
9821 Business Park Drive
Sacramento, CA 95827
Mailing Address: P.O. Box 26000
Sacramento, CA 95826
Southern California Office: Contractors State License Board
12501 East Imperial Hwy.
Suite 600
Norwalk, CA 90650
Hours of Operation: Monday through Friday
8:00 a.m. to 5:00 p.m. Pacific Time
(closed holidays)
24-Hour Licensing and Consumer Information: (800) 321-CSLB (2752)
Tips for Calling CSLB's Public Information Center
Outside California: (916) 255-3900
Reporters/News Media: CSLB Public Affairs Office
Report Unlicensed Activity: Statewide Investigative Fraud Team
Northern SWIFT: (916) 255-2924
Central SWIFT: (559) 490-0580
Southern SWIFT: (562) 345-7600
Northern Case Management: (916) 255-4027
Southern Case Management: (562) 345-7656
Sacramento Intake and Mediation Center: (916) 843-6515
Norwalk Intake and Mediation Center: (562) 345-7530
General Enforcement Questions:
General Licensing/Application Questions:
Criminal Background Questions:
License Application Questions:
License Exam Waiver Questions:
License Issuance Questions:
License Modification Questions:
License Renewal Questions:
Contractor Bond Questions:
Workers' Compensation Questions:
Reciprocity Requests:
Veterans Information:
General Testing Questions:
Public Records and Data
Public Records Act Requests:
For Lists of Licensees: Public Data Portal
CSLB Enforcement Field Offices
Fresno Investigative Center: 1277 East Alluvial Ave.
Suite 106
Fresno, CA 93720
(559) 490-0580
Norwalk Investigative Center: 12501 East Imperial Hwy.
Suite 630
Norwalk, CA 90650
(562) 345-7610
Orange County Investigative Center: 12501 East Imperial Hwy.
Suite 640
Norwalk, CA 90650
(562) 345-7551
San Bernardino Investigative Center: 1845 Business Center Dr.
Suite 206
San Bernardino, CA 92408
(909) 890-2205
San Diego Investigative Center: 9246 Lightwave Ave.
Suite 130
San Diego, CA 92123
(858) 300-5890
San Francisco Investigative Center: 301 Junipero Serra Blvd.
Suite 206
San Francisco, CA 94127
(415) 469-6204
Valencia Investigative Center: 25360 Magic Mountain Parkway
Suite 250
Santa Clarita, CA 91355
(661) 219-0066
West Covina Investigative Center: 100 N. Barranca St.
Suite 300
West Covina, CA 91791
(626) 332-1317

If you are interested in doing business with us, please contact the Small Business/Disabled Veteran Business Enterprise Advocate.