From Consumer Wiki
The California Department of Forestry, Office of the State Fire Marshal establishes minimum fire safety standards for buildings. It has complaint jurisdiction over the sale and service of portable fire extinguishers.
Department of Forestry
Office of the State Fire Marshal
1131 S Street
Sacramento, CA 95814
(916) 445-8376 Fire extinguishers/systems
(916) 445-8200 Main Line