California Contractor License Classifications
(A) General Engineering Contractor
(B) General Building Contractor
(C) Specialty Contractor
- C2 – Insulation and Acoustical Contractor
- C4 – Boiler, Hot Water Heating and Steam Fitting Contractor
- C5 – Framing and Rough Carpentry Contractor
- C6 – Cabinet, Millwork and Finish Carpentry Contractor
- C7 – Low Voltage Systems Contractor
- C8 – Concrete Contractor
- C9 – Drywall Contractor
- C10 – Electrical Contractor
- C11 – Elevator Contractor
- C12 – Earthwork and Paving Contractors
- C13 – Fencing Contractor
- C15 – Flooring and Floor Covering Contractors
- C16 – Fire Protection Contractor
- C17 – Glazing Contractor
- C20 – Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C21 – Building Moving/Demolition Contractor
- C23 – Ornamental Metal Contractor
- C27 – Landscaping Contractor
- C28 – Lock and Security Equipment Contractor
- C29 – Masonry Contractor
- C31 - Construction Zone Traffic Control Contractor
- C32 - Parking and Highway Improvement Contractor
- C33 – Painting and Decorating Contractor
- C34 – Pipeline Contractor
- C35 – Lathing and Plastering Contractor
- C36 – Plumbing Contractor
- C38 – Refrigeration Contractor
- C39 – Roofing Contractor
- C42 – Sanitation System Contractor
- C43 – Sheet Metal Contractor
- C45 – Electrical Sign Contractor
- C46 – Solar Contractor
- C47 – Manufactured Housing Contractor
- C50 – Reinforcing Steel Contractor
- C51 – Structural Steel Contractor
- C53 – Swimming Pool Contractor
- C54 – Ceramic and Mosaic Tile Contractor
- C55 – Water Conditioning Contractor
- C57 – Water Well Drilling Contractor
- C60 – Welding Contractor
- C61 – Limited Specialty
The CSLB has listed the C-61 classification into "D" categories for administrative tracking. See list below.
D03 - Awnings
D04 - Central Vacuum Systems
D06 - Concrete Related Services
D09 - Drilling, Blasting and Oil Field Work
D10 - Elevated Floors
D12 - Synthetic Products
D16 - Hardware, Locks and Safes
D21 - Machinery and Pumps
D24 - Metal Products
D28 - Doors, Gates and Activating Devices
D29 - Paperhanging
D30 - Pile Driving and Pressure Foundation Jacking
D31 - Pole Installation and Maintenance
D34 - Prefabricated Equipment
D35 - Pool and Spa Maintenance
D38 - Sand and Water Blasting
D39 - Scaffolding
D40 - Service Station Equipment and Maintenance
D41 - Siding and Decking
D42 - Sign Installation
D49 - Tree Service
D50 - Suspended Ceilings
D52 - Window Coverings
D53 - Wood Tanks
D56 - Trenching Only
D59 - Hydroseed Spraying
D62 - Air and Water Balancing
D63 - Construction Clean-up
D64 - Non-specialized
D65 - Weatherization and Energy Conservation
- ASB – Asbestos Certification
- HAZ - Hazardous Substance Removal Certification