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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)

• AIRE SERV OF UPLAND-NORTH RANCHO CUCAMONGA CLEAR
  License 1155217 · expires May 31, 2028
• AIRESTREAM MECHANICAL INC CLEAR
  License 960348 · expires April 30, 2027
• AISON COMMERCIAL INC CLEAR
  License 1144588 · expires October 31, 2027
• AJE HOME BUILDERS INC CLEAR
  License 1163982 · expires October 31, 2028
• ALAIMO JASON ELECTRIC CLEAR
  License 980530 · expires November 30, 2027
• ALBERT SHARP CLEAR
  License 905019 · expires October 31, 2027
• ALBERT'S GENERAL CONSTRUCTION CLEAR
  License 1121324 · expires May 31, 2028
• ALDER ELECTRIC INC CLEAR
  License 1110973 · expires October 31, 2027
• ALESAM CONSTRUCTION CLEAR
  License 1145598 · expires October 31, 2027
• ALEXANDER AYALA GENERAL CONTRACTOR CLEAR
  License 965872 · expires September 30, 2027
• ALL - TECH CONSTRUCTION INC CLEAR
  License 912478 · expires March 31, 2028
• ALL ACES BACKFLOW CLEAR
  License 1071034 · expires November 30, 2026
• ALL AMERICA GENERAL CONTRACTING INC CLEAR
  License 902355 · expires August 31, 2027
• ALL CITY PLUMBING AIR & ELECTRICAL CLEAR
  License 940722 · expires February 29, 2028
• ALL CONTRACTORS WEST INC CLEAR
  License 1001676 · expires March 31, 2027
• ALL PHASES PAINTING CLEAR
  License 557861 · expires October 31, 2027
• ALL PRO ELECTRIC CO CLEAR
  License 576142 · expires August 31, 2027
• ALL PRO PAINT CLEAR
  License 1006573 · expires August 31, 2027
• ALL PRO REFRIGERATION INC CLEAR
  License 1038018 · expires April 30, 2028
• ALL STATE RENOVATION LLC CLEAR
  License 1082524 · expires October 31, 2027
• ALL TANKLESS WATER HEATER AND PLUMBING CLEAR
  License 1022579 · expires January 31, 2027
• ALL WESTERN CONSTRUCTION CLEAR
  License 861627 · expires October 31, 2028
• ALLAN LIN CLEAR
  License 788865 · expires April 30, 2028
• ALLEN-DE ROOFING/DRYWALL CONTRACTOR CLEAR
  License 599041 · expires July 31, 2028
• ALLIANCE CONSTRUCTION CO CLEAR
  License 916836 · expires June 30, 2028
• ALLISON PLUMBING CLEAR
  License 1094177 · expires July 31, 2028
• ALLOWAYVOLTAGE LLC CLEAR
  License 1152602 · expires March 31, 2028
• ALLOY WELDING CLEAR
  License 871635 · expires January 31, 2028
• ALPINE CUSTOM CABINETRY INC Susp - No Qualifier
  License 751711 · expires July 31, 2028
• ALT ROOFING INC CLEAR
  License 920480 · expires April 30, 2028
• ALTA LOMA PLUMBING CLEAR
  License 522129 · expires December 31, 2027
• ALTA RANCHO AIR - CONDITIONING & HEATING CO CLEAR
  License 842084 · expires July 31, 2028
• AMERICAN BLAST INC CLEAR
  License 1012147 · expires March 31, 2028
• AMERICAN LOCK & KEY CLEAR
  License 825520 · expires July 31, 2027
• AMERICAN MADE PLUMBING INC CLEAR
  License 1112549 · expires August 31, 2027
• AMERICAN POLYTECH COATING SYSTEMS INC CLEAR
  License 907799 · expires July 31, 2028
• AMERICAN THREAT ASSESSMENT CONSULTING INC CLEAR
  License 991079 · expires March 31, 2028
• AMG PAVING CORP CLEAR
  License 1102632 · expires March 31, 2027
• AMIR GHABROUS CLEAR
  License 1161677 · expires September 30, 2028
• AMJ PLUMBING SPECIALISTS CORP CLEAR
  License 955853 · expires March 31, 2027
• AMMO ELECTRIC Contr Bond Susp
  License 897563 · expires May 31, 2028
• AMPHION CLEAR
  License 930679 · expires April 30, 2027
• ANDERSON POOL & SPA CLEAR
  License 796500 · expires June 30, 2027
• ANDREW MARK IBRAHIM CLEAR
  License 1034561 · expires January 31, 2028
• ANDREWS ELECTRIC CLEAR
  License 714270 · expires October 31, 2027
• ANGELS AIR CLEAR
  License 976406 · expires September 30, 2028
• ANTHONY HOSEK CLEAR
  License 1048708 · expires January 31, 2027
• ANTHONY'S CARPET CLEAR
  License 619586 · expires May 31, 2027
• ANTOLIN GENERAL CONTRACTOR & TILE COMPANY CLEAR
  License 791711 · expires February 28, 2027
• ANTONIO LOPEZ CLEAR
  License 1020383 · expires November 30, 2026

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