Updated: September 20 2019

Contractors State License Board (CSLB)

Call regional offices for information on disclosable complaints against a particular contractor.  Contact district offices about complaints against faulty or illegally executed work, unreasonable delays or other problems with contractors.  Call automated operator to verify contracting licenses.

Primary Address

Contractors State License Board (CSLB)
9821 Business Park Drive,
P.O. Box 26000,
Sacramento, CA 95826
Phone: (800) 321-CSLB (2752)
Web: http://www.cslb.ca.gov/

Region(s) Served
  • State
  • Contractors State License Board (CSLB) - Norwalk Office
    12501 East Imperial Hwy., Suite 600
    Norwalk, CA 90650
    Toll-free: (800) 321-CSLB (2752)
    Web: http://www.cslb.ca.gov/
  • Contractors State License Board (CSLB) - Sacramento Office
    9821 Business Park Drive,
    Sacramento, CA 95827
    Toll-free: (800) 321-CSLB
    Phone: (916) 255-3900
    Fax: (916) 255-4023
    Web: http://www.cslb.ca.gov/
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