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Contractor license records in Ontario, CA

918 records with Ontario 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 Ontario

General Building (338) · Electrical (137) · General Engineering (61) · Warm-Air Heating, Ventilating and Air-Conditioning (51) · Painting and Decorating (50) · Plumbing (49) · Low Voltage Systems (36) · Landscaping (34) · Concrete (32) · Flooring and Floor Covering (32) · Roofing (26) · Cabinet, Millwork and Finish Carpentry (22) · Doors, Gates and Activating Devices (22) · Glazing (21) · Drywall (20) · Ceramic and Mosaic Tile (18) · Synthetic Products (17) · Swimming Pool (16) · Masonry (16) · Structural Steel (13) · Fire Protection (12) · Refrigeration (12) · Building Moving/Demolition (12) · Pool and Spa Maintenance (11) · Window Coverings (9) · Sanitation System (9) · Prefabricated Equipment (9) · Lathing and Plastering (9) · Earthwork and Paving (8) · Metal Products (8) · Parking and Highway Improvement (7) · Sign (7) · Reinforcing Steel (7) · Machinery and Pumps (7) · Concrete-Related Services (7) · Hazardous Substance Removal Certification (6) · Ornamental Metal (6) · Fencing (5) · Service Station Equipment and Maintenance (5) · Sheet Metal (5) · Welding (5) · Framing and Rough Carpentry (4) · Construction Cleanup (4) · Tree Service (4) · Residential Remodeling (4) · Non-Electrical Sign Installation (3) · Solar (3) · Non-specialized (3) · Asbestos Certification (3) · Asbestos Abatement (3) · Tree and Palm (3) · Paperhanging (2) · Awnings (2) · Construction Zone Traffic Control (2) · Boiler, Hot-Water Heating and Steam Fitting (2) · Pipeline (2) · Insulation and Acoustical (2) · General Manufactured Housing (1) · Suspended Ceilings (1) · Well Drilling (1) · Lock and Security Equipment (1) · Hardware, Locks and Safes (1) · Safes and Vaults (1) · Siding and Decking (1) · Scaffolding (1)

• FASTECH CRITICAL POWER CLEAR
  License 1146293 · expires November 30, 2027
• FH II HOMEBUILDERS INC CLEAR
  License 985046 · expires July 31, 2027
• FIRE SOLUTION MASTERS CORP CLEAR
  License 1149321 · expires January 31, 2028
• FIRST CHOICE WINDOWS INC CLEAR
  License 1059753 · expires November 30, 2026
• FIXD CONSTRUCTION CO CLEAR
  License 1140628 · expires July 31, 2027
• FLORES BUILDING CLEAR
  License 850742 · expires October 31, 2028
• FLOW DYNAMICS INC CLEAR
  License 858166 · expires May 31, 2028
• FLOW RITE BACKFLOW PREVENTION & REPAIR CLEAR
  License 1057522 · expires August 31, 2027
• FOOTHILL HEATING & AIR CONDITIONING CLEAR
  License 979917 · expires January 31, 2027
• FORD BROTHERS FRAMING INC CLEAR
  License 1010193 · expires January 31, 2028
• FORM & FUNCTION LANDSCAPE CLEAR
  License 1049832 · expires February 28, 2027
• FORREST GLASS & DOOR CLEAR
  License 984938 · expires July 31, 2027
• FORTE PAINTERS AND GENERAL CONSTRUCTION CLEAR
  License 980663 · expires January 31, 2027
• FOSSA GROUP INC CLEAR
  License 1073119 · expires January 31, 2027
• FOUNDATION DESIGN & BUILD CLEAR
  License 1159121 · expires August 31, 2028
• FOXTROT CONSTRUCTION CLEAR
  License 1035680 · expires February 29, 2028
• FREEDOM 21 CONTRACTORS INC CLEAR
  License 1080326 · expires August 31, 2027
• FRESNO SHOWER DOOR INC CLEAR
  License 986239 · expires August 31, 2027
• FUENTES CONSTRUCTION CO CLEAR
  License 902863 · expires August 31, 2027
• FULLMER CONSTRUCTION CLEAR
  License 301814 · expires February 28, 2027
• G & G PLUMBING CLEAR
  License 508994 · expires September 30, 2027
• G & S REASONABLE PLUMBING / ALL TECH CLEAR
  License 764181 · expires November 30, 2026
• G A DRYWALL INC CLEAR
  License 1093558 · expires July 31, 2028
• G S L INDUSTRIES INC DBA G & L CABINETS CLEAR
  License 1021350 · expires December 31, 2026
• G T ELECTRIC INC CLEAR
  License 796545 · expires June 30, 2027
• G V C O CONSTRUCTION INC CLEAR
  License 980998 · expires February 28, 2027
• GABE'S GENERAL CONSTRUCTION CLEAR
  License 1122112 · expires June 30, 2028
• GABRIEL ORTIZ CLEAR
  License 1097265 · expires October 31, 2028
• GARCON CONSTRUCTION INC CLEAR
  License 913550 · expires April 30, 2028
• GARIBAY CONSTRUCTION SERVICES CLEAR
  License 1046041 · expires October 31, 2028
• GATORWRAPS INC CLEAR
  License 1107852 · expires July 31, 2027
• GC CONSTRUCTION & FIRE PROTECTION INC CLEAR
  License 1113745 · expires December 31, 2027
• GD&G GARAGE DOORS & GATES INC CLEAR
  License 1059599 · expires October 31, 2028
• GENERAL OUTDOOR ADVERTISING CLEAR
  License 292643 · expires June 30, 2028
• GEO'S CARPET & FLOORING CLEAR
  License 875511 · expires April 30, 2028
• GEORGE ALFRED EDGINTON CLEAR
  License 784411 · expires September 30, 2028
• GERARDO ALVARADO CLEAR
  License 1048441 · expires December 31, 2026
• GET IT DONE EPOXY LLC CLEAR
  License 1140290 · expires July 31, 2027
• GET IT REPAIRED HEATING AND AIR INC CLEAR
  License 1155418 · expires May 31, 2028
• GIBIN REMODELING INC CLEAR
  License 1027816 · expires July 31, 2027
• GJK CONSTRUCTION CONCRETE SPECIALIST CLEAR
  License 1156173 · expires June 30, 2028
• GLENN KRAUS FABRICATION CLEAR
  License 637291 · expires February 29, 2028
• GOEDHART LANDSCAPING CLEAR
  License 934150 · expires June 30, 2027
• GOLDEN LEAF CONSTRUCTION INC CLEAR
  License 876099 · expires February 28, 2027
• GOLDEN ONE CONSTRUCTION & COATING CLEAR
  License 1145410 · expires October 31, 2027
• GOLDEN STAR CONSTRUCTION SERVICES CLEAR
  License 872650 · expires July 31, 2028
• GOLDEN VAST CONSTRUCTION INC Contr Bond Susp
  License 1133809 · expires March 31, 2027
• GOLDEN WEST CONSTRUCTION GROUP CLEAR
  License 1118751 · expires April 30, 2028
• GOMEZ AND GOMEZ INC CLEAR
  License 870559 · expires January 31, 2028
• GOOD TEMPERATURE CLEAR
  License 916498 · expires May 31, 2028

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