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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)
- ROYBAL GENERAL CONSTRUCTION INC CLEAR
- RR ROOFING CLEAR
- RUIHAOSEN BUILDERS INC CLEAR
- RUSS ELECTRIC INC CLEAR
- S & A CONSTRUCTION CLEANING INC CLEAR
- S & D CONSTRUCTION GROUP INC CLEAR
- S & R HOME SERVICES CLEAR
- S C CONSTRUCTION CLEAR
- S C PAINTING CLEAR
- S E C INCORPORATED CLEAR
- S E ELECTRIC CLEAR
- S I TESTING Work Comp Susp
- S J LYONS CONSTRUCTION INC CLEAR
- S K C CONSTRUCTION CLEAR
- S K L CONSTRUCTION CLEAR
- S L R CONSTRUCTION CLEAR
- S M P TILE WORKS CLEAR
- S S & STEEL INC CLEAR
- S S ELECTRIC & REFRIGERATION CLEAR
- SAMANO CO DBA SO CAL REBAR CLEAR
- SANTACRUZ TILE MARBLE & STONE CLEAR
- SAV MOR BLINDS & SHUTTERS CLEAR
- SAVANNAH MECHANICAL CLEAR
- SCCE ENTERPRISE LLC CLEAR
- SCOTT MC LEOD PLUMBING INC CLEAR
- SCOTTON ENTERPRISES CLEAR
- SEAMLESS ROOF INC CLEAR
- SEAN DOUGLAS DESIGN AND CONSTRUCTION CLEAR
- SEC DEVELOPER CLEAR
- SECARD POOLS CLEAR
- SECURECOMM COMMUNICATIONS CLEAR
- SEEBURGER & SONS ROOFING INC CLEAR
- SEIDEL ENTERPRISES CLEAR
- SELECT MASONRY CONTRACTOR CLEAR
- SELECTIVE CONSTRUCTION INC CLEAR
- SERGIOS TREE SERVICE CLEAR
- SERVICE KINGS DRAINS & HYDROJET CLEAR
- SEWER BEE CLEAR
- SEYMOUR LIGHTING CLEAR
- SHANNON DIVERSIFIED INC CLEAR
- SHARPER FINISH CONSTRUCTION CLEAR
- SHENOUDA HENES CLEAR
- SIGMA ELECTRICAL GROUP CLEAR
- SIGN SHOP INC CLEAR
- SILVERHAWK PLASTERING CLEAR
- SILVEY CONSTRUCTION CLEAR
- SIMON ELECTRICAL SOLUTION CLEAR
- SIMPLY SOLAR LLC CLEAR
- SIMPSON GENERAL BUILDING CONTRACTOR INC CLEAR
- SKIDCO AIR CLEAR
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