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Contractor license records in Rancho Cucamonga, CA
964 records with Rancho Cucamonga as their locality of record in CSLB's records, as of November 3, 2026. Statuses print as the board records them; a record listed as suspended is not a current credential.
Source: California Contractors State License Board (CSLB) — records as of November 3, 2026. Records change; the board’s own CSLB License Check is the current source.
By classification in Rancho Cucamonga
General Building (383) · Electrical (157) · Warm-Air Heating, Ventilating and Air-Conditioning (78) · General Engineering (77) · Plumbing (71) · Painting and Decorating (48) · Roofing (32) · Low Voltage Systems (27) · Flooring and Floor Covering (26) · Swimming Pool (25) · Landscaping (24) · Concrete (21) · Ceramic and Mosaic Tile (19) · Earthwork and Paving (17) · Drywall (15) · Doors, Gates and Activating Devices (15) · Fire Protection (14) · Cabinet, Millwork and Finish Carpentry (14) · Prefabricated Equipment (14) · Concrete-Related Services (12) · Synthetic Products (11) · Masonry (11) · Glazing (11) · Refrigeration (11) · Hazardous Substance Removal Certification (10) · Building Moving/Demolition (10) · Residential Remodeling (7) · Tree Service (6) · Asbestos Certification (6) · Window Coverings (6) · Machinery and Pumps (6) · Metal Products (6) · Sheet Metal (6) · Framing and Rough Carpentry (6) · Pool and Spa Maintenance (5) · Construction Cleanup (5) · Non-specialized (5) · Structural Steel (5) · Lathing and Plastering (5) · Elevator (5) · Welding (4) · Sand and Water Blasting (4) · Sanitation System (4) · General Manufactured Housing (4) · Solar (3) · Tree and Palm (3) · Ornamental Metal (3) · Fencing (3) · Sign (3) · Parking and Highway Improvement (3) · Awnings (3) · Hardware, Locks and Safes (3) · Insulation and Acoustical (3) · Non-Electrical Sign Installation (2) · Construction Zone Traffic Control (2) · Pipeline (2) · Lock and Security Equipment (2) · Trenching (2) · Suspended Ceilings (2) · Siding and Decking (2) · Water Conditioning (1) · Scaffolding (1) · Pole Installation and Maintenance (1) · Reinforcing Steel (1) · Air and Water Balancing (1) · Asbestos Abatement (1) · Pile Driving/Pressure Foundation Jacking (1)
- UNITED PLUMBING CLEAR
- UNITED SECURITY SYSTEMS INC CLEAR
- UNIVERSAL AIR CONDITIONING & HEATING CLEAR
- UNIVERSAL CONSTRUCTION & DESIGN CLEAR
- UPTOWN INTERIORS INC CLEAR
- UTILITY PLUMBING SERVICES INC CLEAR
- UTILITY PLUMBING SOLUTIONS INC Contr Bond Susp
- UTILITY SPEC CORP Work Comp Susp
- V K PLUMBING CLEAR
- V L C Z INTERIOR INC CLEAR
- V M HOME IMPROVEMENT CLEAR
- VAN LUND CONSTRUCTION CLEAR
- VAN LUND CONSTRUCTION INC DBA VAN LUND ROOFING AND SOLAR CLEAR
- VEITH ELECTRIC CLEAR
- VELOCITY HVAC INC Work Comp Susp
- VERDA STEEL CORP CLEAR
- VERSACE PAINTING CLEAR
- VERSATILE CONSTRUCTION CLEAR
- VINYL POOL PRO SERVICES CLEAR
- VIP DOORS & GATES CORP CLEAR
- VTEL COMMUNICATIONS INC CLEAR
- W C C S INC CLEAR
- W G C CLEAR
- W SUN CONSTRUCTION INC Work Comp Susp
- W.C. WALKER ELECTRIC CLEAR
- W.L CONSTRUCTION CLEAR
- WANG MINGXIAO CLEAR
- WARRIOR ELECTRIC CLEAR
- WCCG INC CLEAR
- WE SCREEN CLEAR
- WEATHERGUARD COMPANY INC CLEAR
- WEN CHIH SHEN CLEAR
- WENGER CONSTRUCTION Contr Bond Susp
- WESLEY CAREY CLEAR
- WEST COAST FIRE INC CLEAR
- WEST COAST GENERAL ENGINEERING & DEMO INC CLEAR
- WEST COAST OPERATIONS CO CLEAR
- WEST HARRINGTON CONSTRUCTION CO INC DBA HARRINGTON CONSTRUCTION CLEAR
- WESTAR PAINTING COMPANY INC CLEAR
- WESTLAND GROUP INC CLEAR
- WESTLAND MECHANICAL LLC CLEAR
- WESTSTAR PAINTING COMPANY CLEAR
- WILLIAM DAVID PHILLIPS CLEAR
- WILLIAM TY LARSON CLEAR
- WILLIAMS A/C SERVICE CLEAR
- WILLIAMS RICK CLEAR
- WING FUNG CONSTRUCTION INC CLEAR
- WIZARD RESTORATIONS INC CLEAR
- WOLF HOMES CONSTRUCTION CLEAR
- WOOD FLOOR & MORE INC CLEAR
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