In California, the locksmith industry is regulated under the authority of the Department of Consumer Affairs (DCA), by the Bureau of Security and Investigative Services (BSIS). General locksmith information for California, is available by visiting the BSIS website: https://www.bsis.ca.gov/industries/locksmith.shtml
Lock and Security Equipment Contractors must have a C-28 license with the Contractors State License Board.
Verify a License
Verify a License with BSIS: https://search.dca.ca.gov/
Verify a License with CSLB: https://www2.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx