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Contractor license records in Castro Valley, CA
419 records with Castro Valley 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 Castro Valley
General Building (243) · Electrical (50) · Painting and Decorating (37) · Plumbing (24) · Landscaping (20) · General Engineering (15) · Roofing (12) · Ceramic and Mosaic Tile (11) · Warm-Air Heating, Ventilating and Air-Conditioning (11) · Flooring and Floor Covering (11) · Drywall (5) · Glazing (5) · Low Voltage Systems (4) · Earthwork and Paving (4) · Synthetic Products (4) · Fire Protection (4) · Masonry (4) · Asbestos Certification (4) · Refrigeration (3) · Sanitation System (3) · Doors, Gates and Activating Devices (3) · Concrete (3) · Lathing and Plastering (3) · Solar (2) · Prefabricated Equipment (2) · Building Moving/Demolition (2) · Construction Cleanup (2) · Structural Steel (2) · Residential Remodeling (2) · Boiler, Hot-Water Heating and Steam Fitting (2) · Cabinet, Millwork and Finish Carpentry (2) · Hazardous Substance Removal Certification (2) · Window Coverings (2) · Siding and Decking (1) · Tree Service (1) · Well Drilling (1) · Ornamental Metal (1) · Awnings (1) · Framing and Rough Carpentry (1) · Pipeline (1) · Sheet Metal (1) · Fencing (1) · Metal Products (1) · Asbestos Abatement (1) · Machinery and Pumps (1)
- BEBE CONSTRUCTION COMPANY CLEAR
- BENITEZ BUILDER CLEAR
- BIG WORLD ELECTRIC COMPANY CLEAR
- BILL SIEM CONSTRUCTION CLEAR
- BINGO BUILDERS CLEAR
- BISIMWA ELECTRIC CLEAR
- BLACK OWLS NETWORK COMMUNICATIONS INC Work Comp Susp
- BLU PIPE PLUMBING LLC CLEAR
- BLUEWAVE PLUMBING AND WATER HEATERS LLC CLEAR
- BOSTOK & WILLIAMS A PARTNERSHIP CLEAR
- BOULDER ELECTRIC CLEAR
- BRANDON CHOI CONSTRUCTION CLEAR
- BRI-CARR PLUMBING CLEAR
- BRIAN BECK CONSTRUCTION CLEAR
- BROADEDGE BUILDERS LLC CLEAR
- BROSTROM CONSTRUCTION CLEAR
- BRUCE SIN CONSTRUCTION CLEAR
- BUCHMANN INC CLEAR
- BUILDER VIBES Contr Bond Susp
- BULLIE TILE & STONE CLEAR
- C A M ELECTRIC CLEAR
- C I C COMPANY CLEAR
- C R F BUILDERS INC CLEAR
- C S Z CONSTRUCTION COMPANY CLEAR
- C W ELECTRIC CLEAR
- CAD COM CLEAR
- CAISTOR CONSTRUCTION CLEAR
- CAL-VALLEY PAINTING INC CLEAR
- CALIFORNIA BUILDERS CLEAR
- CAMELLO INC CLEAR
- CARMEL CONSTRUCTION COMPANY CLEAR
- CASTRO VALLEY ELECTRICAL INC CLEAR
- CELIS CONSTRUCTION CLEAR
- CENTURY HARDWOOD FLOORS CLEAR
- CHENG'S MECHANICAL CONTRACTOR CLEAR
- CHI CONSTRUCTION COMPANY CLEAR
- CHRISTOPHER EMANUEL DEL ROSARIO CLEAR
- CISCO ELECTRIC CLEAR
- CLAMAR'S ALL PHASE CONSTRUCTION INC CLEAR
- CLAMAR'S PRECISIONS BUILDS CLEAR
- CLEARWATER PLUMBING CLEAR
- CLIFF OLSON CONSTRUCTION CLEAR
- COBRA HOME IMPROVEMENT INC CLEAR
- COLE'S CARPET AND UPHOLSTERY COMPANY CLEAR
- COMPLETE CONST CO CLEAR
- COPALA FLOORS LLC CLEAR
- COTA ELECTRIC INC CLEAR
- CRAWFORD INCORPORATED CLEAR
- CROSSROADS RESTORATION LLC CLEAR
- CUNNINGHAM CONSTRUCTION CLEAR
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