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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)

• DAVID R SIMON CLEAR
  License 990570 · expires February 29, 2028
• DAVIDSON PAINTING CLEAR
  License 900574 · expires September 30, 2027
• DAVIS DEVELOPMENT COMPANY INC CLEAR
  License 941816 · expires January 31, 2028
• DEAN MARIANI JR CLEAR
  License 1038325 · expires April 30, 2028
• DIAMOND ROCK CONCRETE RESTORATION CLEAR
  License 1013802 · expires December 31, 2027
• DIAZ LEAL DRYWALL INC CLEAR
  License 1153446 · expires April 30, 2028
• DICARLO CONCRETE INC CLEAR
  License 1022598 · expires January 31, 2027
• DICK OOSTERHEERT CLEAR
  License 876953 · expires April 30, 2028
• DINA CONTRACTOR SERVICES CLEAR
  License 1032815 · expires March 31, 2028
• DIRK CHARRON PLUMBING CLEAR
  License 513226 · expires July 31, 2027
• DIVINITY CONSTRUCTION GROUP Contr Bond Susp
  License 1106349 · expires June 30, 2027
• DNK TILE LLC CLEAR
  License 1149676 · expires January 31, 2028
• DOAIR INC CLEAR
  License 1104424 · expires May 31, 2027
• DOCTOR POOL CLEAR
  License 1004288 · expires June 30, 2027
• DOMINGUEZ MASONRY & LANDSCAPING INC CLEAR
  License 797849 · expires June 30, 2028
• DONALD G LOPICCOLO CLEAR
  License 477410 · expires July 31, 2027
• DOS AMIGOS CONSTRUCTION INC CLEAR
  License 1013332 · expires April 30, 2028
• DOUGLAS HAYNES GENERAL CONTRACTOR CLEAR
  License 932395 · expires May 31, 2027
• DP APEX CONSTRUCTION INC CLEAR
  License 1148407 · expires December 31, 2027
• DR STAINLESS CLEAR
  License 917839 · expires June 30, 2028
• DRAFT OPERATIONS LLC CLEAR
  License 1143578 · expires September 30, 2027
• DREAM COAST BUILDERS INC CLEAR
  License 1017555 · expires August 31, 2028
• DROP & SON'S CONSTRUCTION INC CLEAR
  License 632307 · expires November 30, 2026
• DRY ZONE EMERGENCY SERVICES CLEAR
  License 1116314 · expires February 29, 2028
• DS GENERAL CONSTRUCTION SERVICES INC CLEAR
  License 1161672 · expires September 30, 2028
• DUBUQUE INC CLEAR
  License 1125202 · expires August 31, 2028
• DUEL RENOVATION CO Work Comp Susp
  License 1129968 · expires December 31, 2026
• DUNN PLUMBING HEATING & AIR CONDITIONING INC CLEAR
  License 712182 · expires August 31, 2028
• DUNNING CONSTRUCTION CLEAR
  License 1148289 · expires December 31, 2027
• DYNAMIC POOL PLUMBING INCORPORATED CLEAR
  License 1040310 · expires June 30, 2028
• E M C CONSTRUCTION CLEAR
  License 964303 · expires August 31, 2027
• EARTHWORKS ENGINEERING CLEAR
  License 1031142 · expires September 30, 2027
• ECO MAC ELECTRIC INC CLEAR
  License 912882 · expires April 30, 2027
• EDELMAIER ELECTRIC CLEAR
  License 977063 · expires September 30, 2028
• EFS PLUMBING & HYDRO JETTING CLEAR
  License 1069409 · expires October 31, 2028
• EKB INC CLEAR
  License 991229 · expires March 31, 2028
• ELECTRICAL GIANTS CONTRACTORS LLC CLEAR
  License 756651 · expires August 31, 2028
• ELECTRICAL SECURE INNOVATIONS CLEAR
  License 983887 · expires May 31, 2027
• ELECTUS DRYWALL CLEAR
  License 1002165 · expires March 31, 2027
• ELEVATION FRAMING CLEAR
  License 1129812 · expires December 31, 2026
• ELEVATOR SECURITY SYSTEMS LLC CLEAR
  License 1112859 · expires November 30, 2027
• ELEVATOR SUPPORT SERVICES INC CLEAR
  License 847983 · expires October 31, 2028
• ELITE ELECTRICAL CONSTRUCTION SERVICES INC CLEAR
  License 905560 · expires November 30, 2027
• ELITE TREE CARE LLC CLEAR
  License 1161359 · expires September 30, 2028
• EMINENT CRAFT SOLUTIONS CLEAR
  License 1118725 · expires April 30, 2028
• EMMANUEL FLORES RAMIREZ CLEAR
  License 1152704 · expires March 31, 2028
• EMMENTAL CONSTRUCTION GROUP INC CLEAR
  License 1011107 · expires February 29, 2028
• EMPERADOR'S FLOORING INC CLEAR
  License 952038 · expires September 30, 2028
• EMPIRE FLOOR COVERING INC CLEAR
  License 724122 · expires June 30, 2028
• EMPIRE POOL DREAMS INC CLEAR
  License 1047693 · expires July 31, 2027

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