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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)

• WELCOME HOME LANDSCAPE AND LAWN CARE Contr Bond Susp
  License 1027068 · expires May 31, 2027
• WEST COAST OVERHEAD DOOR COMPANY CLEAR
  License 453839 · expires March 31, 2028
• WEST SIDE DEVELOPMENT INC CLEAR
  License 1061831 · expires December 31, 2027
• WESTEREN CONSTRUCTION LLC CLEAR
  License 631458 · expires September 30, 2027
• WILDER VENTURES CLEAR
  License 1056116 · expires July 31, 2027
• WILSON CONSTRUCTION CLEAR
  License 766739 · expires July 31, 2027
• WILSON YOUNG CLEAR
  License 623819 · expires July 31, 2027
• WING'S ROOFING INC CLEAR
  License 698113 · expires September 30, 2027
• WONDERLIN ROOFING SYSTEMS INC CLEAR
  License 642517 · expires April 30, 2027
• WONG PLUMBING CLEAR
  License 1158954 · expires July 31, 2028
• WOODBERRY DEVELOPMENT COMPANY CLEAR
  License 600258 · expires April 30, 2028
• WU CONSTRUCTION CLEAR
  License 863143 · expires August 31, 2027
• XOTEK INC CLEAR
  License 700664 · expires December 31, 2026
• YEE CHEUNG CLEAR
  License 855650 · expires March 31, 2027
• YOUR CARPENTER FRIEND CLEAR
  License 1145911 · expires November 30, 2027
• ZACHARY BOELSTERLI CLEAR
  License 1077803 · expires July 31, 2027
• ZEEK'S DISCOUNT GLASS INC CLEAR
  License 1086133 · expires May 31, 2028
• ZIFU PROPERTY CONSTRUCTION CLEAR
  License 1126513 · expires September 30, 2028
• ZOLIE BUILDERS INC CLEAR
  License 1107148 · expires July 31, 2027

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