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California Contractor Lookup

Licensed contractors in Diamond Bar, CA

297 active contractor licenses list Diamond Bar in Los Angeles County as their address, and 15 more are suspended. Pick a trade, or search by name.

By trade

B General building170 active C-10 Electrical44 active C-20 HVAC contractor (warm-air heating, ventilating and air conditioning)35 active C-36 Plumbing26 active A General engineering14 active C-33 Painting and decorating10 active C-7 Low voltage systems10 active C-27 Landscaping9 active C-54 Ceramic and mosaic tile8 active C-15 Flooring and floor covering6 active C-39 Roofing5 active C-38 Refrigeration4 active C-16 Fire protection4 active C-6 Cabinet, millwork and finish carpentry4 active HAZ Hazardous substance removal certification3 active C-61/D-6 Limited specialty: concrete related services3 active C-17 Glazing3 active C-8 Concrete3 active C-2 Insulation and acoustical3 active C-61/D-35 Limited specialty: pool and spa maintenance2 active C-55 Water conditioning2 active C-45 Sign2 active C-42 Sanitation system2 active C-12 Earthwork and paving2 active C-11 Elevator2 active C-9 Drywall2 active C-61/D-49 Limited specialty: tree service1 active C-61/D-34 Limited specialty: prefabricated equipment1 active C-61/D-12 Limited specialty: synthetic products1 active C-57 Well drilling1 active C-51 Structural steel1 active C-46 Solar1 active C-29 Masonry1 active C-23 Ornamental metal1 active C-21 Building moving and demolition1 active C-4 Boiler, hot water heating and steam fitting1 active B-2 Residential remodeling1 active ASB Asbestos certification1 active

Suspended licenses in Diamond Bar

Most recently updated first. Why licenses get suspended.