Contact CSLB
Please Note: CSLB is utilizing telework for many of its employees. As a result, it may be more difficult to contact us.
Tips for Contacting CSLB's Public Information Center
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.
HEADQUARTERS OFFICE CONTACT INFORMATION | |
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Location: |
![]() 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 Public 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. Pacific Time (closed holidays) |
NORTHERN OFFICE CONTACT INFORMATIONM | |
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Location: | Contractors State License Board![]() 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) |
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: |
![]() 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: |
![]() 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. Pacific Time (closed holidays) |
SOUTHERN OFFICE CONTACT INFORMATION | |
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Location: | Contractors State License Board![]() 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) |
Norwalk Intake and Mediation Center: |
![]() Suite 620 Norwalk, CA 90650 (800) 321-CSLB (2752) |
Norwalk Investigative Center: |
![]() Suite 630 Norwalk, CA 90650 (800) 321-CSLB (2752) |
Orange County Investigative Center: |
![]() Suite 640 Norwalk, CA 90650 (800) 321-CSLB (2752) |
San Bernardino Investigative Center: |
![]() Suite 206 San Bernardino, CA 92408 (800) 321-CSLB (2752) |
San Diego Investigative Center: |
![]() Suite 130 San Diego, CA 92123 (800) 321-CSLB (2752) |
Valencia Investigative Center: |
![]() Suite 250 Santa Clarita, CA 91355 (800) 321-CSLB (2752) |
West Covina Investigative Center: |
![]() Suite 300 West Covina, CA 91791 (800) 321-CSLB (2752) |