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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)
- JACK D OLSON DESIGN & CONSTRUCTION CO CLEAR
- JAE LEE CLEAR
- JAY MILLER PAINTING CLEAR
- JDZ CONCRETE INC CLEAR
- JEFFERSON LANDSCAPE AND DESIGN CLEAR
- JHR FRAMING CLEAR
- JHT CONSTRUCTION SERVICES INC CLEAR
- JING ZHANG CLEAR
- JK PAINTING CLEAR
- JK PAINTING CO CLEAR
- JOE PERRI TILE CLEAR
- JOHN J LANGON JR CLEAR
- JOHN JENSEN CLEAR
- JOHN L FRANCO CONSTRUCTION CLEAR
- JOHN MC DONAGH BUILDERS AND ENERGY SYSTEMS CLEAR
- JORDAN CALLIER CONSTRUCTION CLEAR
- JOSEPH LANGON CLEAR
- JUST PLUMBING INC CLEAR
- JY GENERAL CONSTRUCTION CLEAR
- K M S CONSTRUCTION CLEAR
- KAITZ CONSTRUCTION GENERAL CONTRACTOR CLEAR
- KARAJEN CONSTRUCTION SERVICES CLEAR
- KELLY HUSKA CONTRACTING CLEAR
- KEN A ROSE CLEAR
- KEY ONE CONSTRUCTION INC CLEAR
- KILLIAN CONSTRUCTION CLEAR
- KM SQUARED CLEAR
- KOZUKI LANDSCAPING CLEAR
- KYRIAKOS AVDOULOS DBA ABSOLUTE PAINTING CLEAR
- L & J DEMOLITION INC CLEAR
- L E ELECTRIC INC CLEAR
- LANGON BUILDING & DEVELOPING CLEAR
- LAYNE ELECTRICAL ENT CLEAR
- LICO'S CONTRACTING CLEAR
- LL CONSTRUCTION CLEAR
- LONG'S CONCRETE Contr Bond Susp
- LORETO CONSTRUCTION SERVICES CLEAR
- LU'S CONSTRUCTION CLEAR
- LUCAS ILIE CONSTRUCTION CLEAR
- LUIS W YAN CLEAR
- LYONS CONSTRUCTION CLEAR
- M A SERVICES GENERAL CONTRACTING CLEAR
- M B DEVELOPMENT CLEAR
- M B R CLEAR
- M BAR M EXCAVATION CLEAR
- M C R CONSTRUCTION CLEAR
- M J KNUPPE DEVELOPMENT COMPANY CLEAR
- M W C & ASSOCIATES CLEAR
- M1 MECHANICAL CORP CLEAR
- MARDIGRAS ELECTRIC CO CLEAR
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