Licensed Contractors in Diamond Bar, California

B: General Building Contractor (170) A: General Engineering Contractor (14)

C-10: Electrical Contractor (40) C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (31) C-36: Plumbing Contractor (26) C-27: Landscaping Contractor (11) C-7: Low Voltage Systems Contractor (10) C-33: Painting and Decorating Contractor (10) C-39: Roofing Contractor (8) C-15: Flooring and Floor Covering Contractor (7) C-54: Ceramic and Mosaic Tile Contractor (7) C-16: Fire Protection Contractor (5)

ASB: Asbestos Certification (1) C-4: Boiler, Hot-Water Heating and Steam Fitting Contractor (1) C-21: Building Moving/Demolition Contractor (1) C-6: Cabinet, Millwork and Finish Carpentry Contractor (4) C-54: Ceramic and Mosaic Tile Contractor (7) C-8: Concrete Contractor (3) D06: Concrete Related Services (3) D28: Doors, Gates and Activating Devices (1) C-9: Drywall Contractor (2) C-12: Earthwork and Paving Contractor (2) C-10: Electrical Contractor (40) C-45: Electrical Sign Contractor (2) C-11: Elevator Contractor (2) C-16: Fire Protection Contractor (5) C-15: Flooring and Floor Covering Contractor (7) C-5: Framing and Rough Carpentry Contractor (1) C-17: Glazing Contractor (2) HAZ: Hazardous Substance Removal Certification (3) C-2: Insulation and Acoustical Contractor (3) C-27: Landscaping Contractor (11) C-7: Low Voltage Systems Contractor (10) C-29: Masonry Contractor (1) C-23: Ornamental Metal Contractor (1) C-33: Painting and Decorating Contractor (10) C-36: Plumbing Contractor (26) D35: Pool and Spa Maintenance (2) D34: Prefabricated Equipment (1) C-38: Refrigeration Contractor (3) C-39: Roofing Contractor (8) C-42: Sanitation System Contractor (2) C-46: Solar Contractor (1) C-51: Structural Steel Contractor (1) C-53: Swimming Pool Contractor (2) D12: Synthetic Products (1) D49: Tree Service (1) C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (31) C-55: Water Conditioning Contractor (1) C-57: Well Drilling Contractor (1)