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Trades

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Click the name of the Trade Classification to open a new tab to the CSLB definition.
Trade Classification Code
General Engineering Contractor A
General Building Contractor B
Insulation and Acoustical C-02
Boiler, Hot Water Heating and Steam Fitting C-04
Framing and Rough Carpentry C-05
Cabinet, Millwork and Finish Carpentry C-06
Low Voltage Systems C-07
Concrete C-08
Drywall C-09
Electrical C-10
Elevator C-11
Earthwork and Paving C-12
Fencing C-13
Flooring and Floor Covering C-15
Fire Protection C-16
Glazing C-17
Warm Air Heading Ventilating and Air Conditioning C-20
Building Moving/Demolition C-21
Ornamental Metal C-23
Landscaping C-27
Lock and Security Equipment C-28
Masonry C-29
Construction Zone Traffic Control C-31
Parking and Highway Improvement C-32
Painting and Decorating C-33
Pipeline C-34
Lathing and Plastering C-35
Plumbing C-36
Refrigeration C-38
Roofing C-39
Sanitation System C-42
Sheet Metal C-43
Sign C-45
Solar C-46
General Manufactured Housing C-47
Reinforcing Steel C-50
Structural Steel C-51
Swimming Pool C-53
Ceramic and Mosaic Tile C-54
Water Conditioning C-55
Water Well Drilling C-57
Welding C-60
Limited Specialty Definitions No Trade Exam Required. C-61