Contractor Licensing Classifications

Contractor licensing classification are broken down into three groups, A, B and C. The list below shows the main and sub license classifications. Clicking on the contractor classification or sub classification will give the State of California business and professions code definition for that classification.

A. General Engineering Contractor
B. General Building Contractor
C. Specialty Contractor
C-2	Insulation and Acoustical Contractor
C-4	Boiler, Hot Water Heating and Steam Fitting Contractor
C-5	Framing and Rough Carpentry Contractor [Effective 1-1-2003]
C-6	Cabinet, Millwork and Finish Carpentry Contractor [Effective 1-1-2003]
C-7	Low Voltage Systems Contractor
C-8	Concrete Contractor
C-9	Drywall Contractor
C-10	Electrical Contractor
C-11	Elevator Contractor
C-12	Earthwork and Paving Contractors
C-13	Fencing Contractor
C-14	Metal Roofing Contractor (No longer being issued.)
C-15	Flooring and Floor Covering Contractors
C-16	Fire Protection Contractor
C-17	Glazing Contractor
C-20	Warm-Air Heating, Ventilating and Air-Conditioning Contractor
C-21	Building Moving/Demolition Contractor
C-23	Ornamental Metal Contractor
C-26	Lathing Contractor (No longer being issued.)
C-27	Landscaping Contractor
C-28	Lock and Security Equipment Contractor
C-29	Masonry Contractor
C-31	Construction Zone Traffic Control Contractor
C-32	Parking and Highway Improvement Contractor
C-33	Painting and Decorating Contractor
C-34	Pipeline Contractor
C-35	Lathing and Plastering Contractor
C-36	Plumbing Contractor
C-38	Refrigeration Contractor
C-39	Roofing Contractor
C-42	Sanitation System Contractor
C-43	Sheet Metal Contractor
C-45	Electrical Sign Contractor
C-46	Solar Contractor
C-47	Manufactured Housing Contractor
C-50	Reinforcing Steel Contractor
C-51	Structural Steel Contractor
C-53	Swimming Pool Contractor
C-54	Ceramic and Mosaic Tile Contractor
C-55	Water Conditioning Contractor
C-57	Water Well Drilling Contractor
C-60	Welding Contractor
C-61	Limited Specialty
ASB	Asbestos Certification
HAZ	Hazardous Substance Removal Certification
HIC	Home Improvement Certification

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