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Contact CSLB

This office 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.

Headquarters directs the activities of the field offices, and initiates all disciplinary actions resulting from their investigations. The staff of the field offices investigate complaints against licensed and unlicensed contractors.

Headquarters Office Contact Information
Location:	Contractors State License Board 9821 Business Park Drive Sacramento, CA 95827
Mailing Address:	Post Office Box 26000 Sacramento, CA 95826
24 Hour Licensing & Consumer Information:	1-800-321-CSLB (2752)
Outside California	(916) 255-3900
Licensing Information Fax:	(916) 255-4535
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 am to 5:00 pm (Pacific Time) (closed holidays) (closed 1st, 2nd,and 3rd Friday of each month ¹)
General CSLB E-Mail:	Currently Unavailable
Technical Web Questions E-Mail:	Currently Unavailable

Northern Office Contact Information
Location:	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 am to 5:00 pm (PacificTime) (closed holidays) (closed 1st, 2nd,and 3rd Friday of each month ¹)

Northern District Office Contact Information
Sacramento Intake and Mediation Center	P.O. Box 269116 Sacramento, CA 95826-9116 1-800-321-CSLB (2752)
Fresno Investigative Center	3374 East Shields Avenue, Room E-17 Fresno, CA 93726 1-800-321-CSLB (2752)
Sacramento Investigative Center	P.O. Box 269115 Sacramento, CA 95826-9115 1-800-321-CSLB (2752)
San Francisco Investigative Center	301 Junipero Serra Blvd., Suite 206 San Francisco, CA 94127-2666 1-800-321-CSLB (2752)
Hours of Operation:	Monday through Friday 8:00 am to 5:00 pm (Pacific Time) (closed holidays) (closed 1st, 2nd,and 3rd Friday of each month ¹)

Northern Branch Office Contact Information
Oakland Branch	1515 Clay Street, Suite 1105 Oakland, CA 94612 1-800-321-CSLB (2752)
Santa Rosa Branch	50 D Street, Room 105 Santa Rosa, CA 95404 1-800-321-CSLB (2752)
Hours of Operation:	limited

Southern Office Contact Information
Location:	Contractors State License Board 12501 East Imperial Hwy, Suite 600 (Sixth Floor) 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 am to 5:00 pm (Pacific Time) (closed holidays) (closed 1st, 2nd,and 3rd Friday of each month ¹)

Southern District Office Contact Information
Norwalk Intake and Mediation Center	12501 East Imperial Hwy, Suite 620 Norwalk, CA 90650 (800) 321-CSLB (2752)
Norwalk Investigative Center	12501 East Imperial Hwy, Suite 630 Norwalk, CA 90650 (800) 321-CSLB (2752)
Oxnard Investigative Center	2220 East Gonzales Road, Suite 102 Oxnard, CA 93036-8294 (800) 321-CSLB (2752)
San Bernardino Investigative Center	1845 Business Center Drive, Suite 206 San Bernardino, CA 92408-3467 (800)321-CSLB (2752)
San Diego Investigative Center	9246 Lightwave Ave, Suite 130 San Diego, CA 92123 (800) 321-CSLB (2752)
West Covina Investigative Center	100 N. Barranca Street, Suite 300 West Covina, CA 91791 (800) 321-CSLB (2752)
Hours of Operation:	Monday through Friday 8:00 am to 5:00 pm (Pacific Time) (closed holidays) (closed 1st, 2nd,and 3rd Friday of each month ¹)

1 Pursuant to the Governor's Executive Order S-13-09, beginning in July 2009, the Board offices will be closed the first, second, and third Friday of each month until further notice.