Licensed contractors in Castro Valley, CA
175 company licenses with a clear status in Castro Valley, CA, in the CSLB file of October 1, 2026.
| Contractor | License | Main classification | Expires |
|---|---|---|---|
| 123 GARAGE DOOR AFM BUILDING DESIGN | 1088677 | B — General Building | Mar 31, 2028 |
| 2Y CONSTRUCTION INC | 997875 | B — General Building | Oct 31, 2026 |
| 4-SEASONS HEATING & AIR CONDITIONING AROD HEATING & AIR CONDITIONING INC | 962971 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | May 31, 2028 |
| A L COLOR PAINTING LLC | 1133024 | C-33 — Painting and Decorating | Feb 28, 2027 |
| A-1 CONSTRUCTION GENERAL ENGINEERING INC | 944217 | A — General Engineering | Feb 29, 2028 |
| A-1 CONTRACTING LLC | 1154993 | A — General Engineering | May 31, 2028 |
| A-Z RESTORATION INC | 1143297 | B — General Building | Sep 30, 2027 |
| AAA PLUMBING & REMODELING INC | 1052769 | A — General Engineering | Jun 30, 2027 |
| ALL COMMERCIAL FIRE PROTECTION INC | 926594 | C-16 — Fire Protection | Sep 30, 2027 |
| ALLIED CONTROLS | 956704 | C-10 — Electrical | Nov 30, 2026 |
| ALLIGATOR PLUMBING INC | 995431 | C-36 — Plumbing | Jan 31, 2027 |
| AMERICAN RIVER FRAMING LLC | 746425 | B — General Building | Sep 30, 2027 |
| ART LINE CONSTRUCTION | 1134503 | B — General Building | Mar 31, 2028 |
| ART OF TURF INC | 1118012 | D-12 — Synthetic Products | Mar 31, 2028 |
| B&B CUSTOM ORNAMENTAL CRAFT B&B WELDING AND FABRICATION SERVICES CORP | 1096542 | C-23 — Ornamental Metal | Sep 30, 2028 |
| BAY FULL CONSTRUCTION | 1099771 | B — General Building | Dec 31, 2026 |
| BINGO BUILDERS | 1110685 | B — General Building | Sep 30, 2027 |
| BLACK OWLS NETWORK COMMUNICATIONS INC | 1141654 | C-7 — Low Voltage Systems | Aug 31, 2027 |
| BLACKSTONE S R CONSTRUCTION INC | 520142 | B — General Building | Nov 30, 2027 |
| BLU PIPE PLUMBING LLC | 1132566 | C-36 — Plumbing | Feb 28, 2027 |
| BLUEWAVE PLUMBING AND WATER HEATERS LLC | 1151565 | C-36 — Plumbing | Mar 31, 2028 |
| BONETTI FRANK PLUMBING INC | 251165 | C-4 — Boiler, Hot Water Heating and Steam Fitting | May 31, 2028 |
| BOSTOK & WILLIAMS A PARTNERSHIP | 795324 | B — General Building | May 31, 2027 |
| BROADEDGE BUILDERS LLC | 1161729 | B — General Building | Sep 30, 2028 |
| BUCHMANN INC | 1004484 | A — General Engineering | Nov 30, 2027 |
| C R F BUILDERS INC | 926072 | B — General Building | Dec 31, 2026 |
| CAISTOR CONSTRUCTION | 725563 | B — General Building | May 31, 2027 |
| CAL-VALLEY PAINTING INC | 924600 | C-33 — Painting and Decorating | Mar 31, 2027 |
| CAMELLO INC | 790164 | B — General Building | Jan 31, 2027 |
| CASTRO VALLEY ELECTRICAL INC | 949950 | C-10 — Electrical | Jul 31, 2028 |
| CLAMAR'S ALL PHASE CONSTRUCTION INC | 1066886 | B — General Building | Jul 31, 2028 |
| COPALA FLOORS LLC | 1144484 | C-15 — Flooring and Floor Covering | Oct 31, 2027 |
| COTA ELECTRIC INC | 1029993 | C-10 — Electrical | Mar 31, 2027 |
| CRAWFORD INCORPORATED | 904632 | B — General Building | Oct 31, 2027 |
| CROSSROADS RESTORATION LLC | 1158985 | B — General Building | Jul 31, 2028 |
| CUSTOM TILE INC | 1068190 | C-54 — Ceramic and Mosaic Tile | Aug 31, 2028 |
| D & M BUILDERS | 797083 | B — General Building | Jul 31, 2027 |
| DAVIS LEVI CONSTRUCTION INC | 1132903 | B — General Building | Feb 28, 2027 |
| DAY GROUP BUILDERS LLC | 1107047 | B — General Building | Jul 31, 2027 |
| DAYSTAR WINDOW TINTING INC | 784336 | D-52 — Window Coverings | Aug 31, 2028 |
| DIABLO MOUNTAIN CONSTRUCTION LLC | 1101794 | B — General Building | Feb 28, 2027 |
| DIRECT SALES FLOORS DIRECT SALES CORPORATION | 424404 | B — General Building | Jun 30, 2028 |
| DUARTE & SONS CONSTRUCTION & PAINTING | 959065 | B — General Building | Mar 31, 2027 |
| E & S MASONRY CORPORATION | 562066 | C-29 — Masonry | Mar 31, 2027 |
| EAST BAY RESTORATION S R I ENVIRONMENTAL | 827881 | ASB — Asbestos Certification | Nov 30, 2027 |
| ECO SOLAR ENERGY LLC | 1141597 | C-10 — Electrical | Aug 31, 2027 |
| ECOL DEVELOPMENT INC | 897153 | B — General Building | May 31, 2027 |
| EDEN CONCRETE CONTRACTORS EDEN CONTRACTORS LLC | 1108674 | C-8 — Concrete | Aug 31, 2027 |
| ELECTRIC AC DC | 1065330 | C-10 — Electrical | Apr 30, 2028 |
| ELECTRICAL MINISTRIES | 1151302 | C-10 — Electrical | Mar 31, 2028 |
| ENVIRONMENTAL IN OVATIONS CORPORATION | 955826 | ASB — Asbestos Certification | Dec 31, 2026 |
| ESTRADA PREMIUM ROOFING AND REPAIR LLC | 1133952 | C-39 — Roofing | Mar 31, 2027 |
| EUROMARBLE AND GRANITE INC | 978274 | C-54 — Ceramic and Mosaic Tile | Mar 31, 2027 |
| FIELD KNOWLEDGE ELECTRIC FIELD KNOWLEDGE CORP | 1130987 | C-10 — Electrical | Dec 31, 2026 |
| FINE BUILD CONSTRUCTION INC | 999104 | B — General Building | Dec 31, 2026 |
| FRENCHPARK FLOORS FRENCHPARK FLOORING AND MAINTENANCE L L C | 1059100 | B — General Building | Oct 31, 2027 |
| GAXL GENERAL CONSTRUCTION INC | 1037436 | B — General Building | Mar 31, 2028 |
| GEM HOME IMPROVEMENTS INC | 1051153 | B — General Building | Mar 31, 2027 |
| GOLDEN IMPROVEMENTS INC | 1137789 | B-2 — Residential Remodeling | May 31, 2027 |
| GOMEZ ADRIAN ROOFING LLC | 790786 | C-39 — Roofing | Mar 31, 2027 |
| GOOD WOOD LLC | 1046327 | C-6 — Cabinet, Millwork and Finish Carpentry | Oct 31, 2026 |
| GRANDEUR CONSTRUCTION INC | 596556 | B — General Building | May 31, 2027 |
| GREEK PAINTING CO INC THE | 1103868 | C-33 — Painting and Decorating | Apr 30, 2027 |
| GROUND FORCE ENTERPRISES GARDEN OF EDEN LANDSCAPES INC | 891836 | C-12 — Earthwork and Paving | May 31, 2028 |
| GUILLEN'S PAINTING INC | 1079252 | C-33 — Painting and Decorating | Oct 31, 2027 |
| HAMILTON EXTERIORS ABR QUALITY RESOURCES INC | 1078806 | B — General Building | Jul 31, 2027 |
| HANSEN LANDSCAPE CONTRACTORS INC | 440372 | C-27 — Landscaping | Feb 29, 2028 |
| HARRIS WATER HEATERS INC | 1026214 | C-36 — Plumbing | Nov 30, 2026 |
| HB CONSTRUCTION SERVICES INC | 1001862 | B — General Building | Mar 31, 2027 |
| HD DRYWALL INC | 1065447 | C-9 — Drywall | Apr 30, 2028 |
| HUANG'S BUILDERS INC | 1094286 | B — General Building | Jun 30, 2028 |
| HYDRO WORKS WELL & PUMP INC | 1091530 | C-57 — Well Drilling | May 31, 2028 |
| IONIAN BUILDERS LLC | 1050163 | B — General Building | Feb 28, 2027 |
| ISSAAC ROOFING PRO ROOFING MAINTENANCE INC | 1024042 | C-39 — Roofing | Feb 28, 2027 |
| J D Z CONCRETE INC | 976647 | C-8 — Concrete | Sep 30, 2028 |
| J&V PRO CONSTRUCTION AND REMODELING | 1141138 | B — General Building | Jul 31, 2027 |
| JHR FRAMING RCCI CONSTRUCTION INC | 1111496 | B — General Building | Oct 31, 2027 |
| JHT CONSTRUCTION SERVICES INC | 1157139 | B — General Building | Jun 30, 2028 |
| JUST PLUMBING INC | 909971 | C-36 — Plumbing | Aug 31, 2027 |
| K&C ENVIRONMENTAL LANDSCAPE K&C ENVIRONMENTAL INC | 1096672 | C-27 — Landscaping | Sep 30, 2026 |
| KEY ONE CONSTRUCTION INC | 1155498 | B — General Building | May 31, 2028 |
| KOZUKI LANDSCAPING | 828978 | C-27 — Landscaping | Dec 31, 2027 |
| L & J DEMOLITION INC | 1084597 | C-21 — Building Moving/Demolition | Dec 31, 2027 |
| L E ELECTRIC INC | 1063050 | C-10 — Electrical | Feb 29, 2028 |
| LANGON BUILDING & DEVELOPING | 765364 | B — General Building | Jul 31, 2027 |
| M BAR M EXCAVATION M BAR M | 1072700 | C-12 — Earthwork and Paving | Jan 31, 2027 |
| M L ELECTRIC MORGAN LODGE INC | 878028 | C-10 — Electrical | May 31, 2028 |
| M1 MECHANICAL CORP | 1129897 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Dec 31, 2026 |
| MC ROOFING MOI CISNEROS ROOFING INC | 1044471 | C-39 — Roofing | Jul 31, 2027 |
| MERKOURIS CONSTRUCTION INC | 464532 | B — General Building | Mar 31, 2027 |
| ML CONSTRUCTION MATT ENTERPRISE INC | 1089551 | A — General Engineering | Apr 30, 2028 |
| MMW CONSTRUCTION INC | 1158511 | B — General Building | Jul 31, 2028 |
| MNM BUILDERS INC | 1029642 | B — General Building | Aug 31, 2027 |
| MOORE RESIDENTIAL ROOFING INC | 1013956 | C-39 — Roofing | Jul 31, 2028 |
| MOPIA ELECTRIC LLC | 957769 | C-10 — Electrical | May 31, 2028 |
| MT ZION GLASS MT ZION CONSTRUCTION LLC | 1103681 | C-17 — Glazing | Apr 30, 2027 |
| NEW CORPORATION DRYWALL INC | 1089087 | C-9 — Drywall | Mar 31, 2028 |
| NEW GENERATION CONSTRUCTION & REMODELING INC | 1000571 | B — General Building | Mar 31, 2028 |
| NEW IMAGE LANDSCAPERS | 1143658 | C-27 — Landscaping | Sep 30, 2027 |
| NEW LINE DRYWALL | 1051640 | C-9 — Drywall | Mar 31, 2027 |
| NORTHERN STRUCTURAL INC | 897836 | C-51 — Structural Steel | Aug 31, 2027 |
| NORTHUP CONSTRUCTION INC | 265315 | B — General Building | Jan 31, 2028 |
| NOVATECK | 1038321 | C-7 — Low Voltage Systems | Apr 30, 2028 |
| NUGENT PLASTERING | 803277 | C-35 — Lathing and Plastering | Oct 31, 2026 |
| OCEAN REMODEL INC | 1120751 | B — General Building | May 31, 2028 |
| ON POINT CONSTRUCTION | 949627 | B — General Building | Jul 31, 2028 |
| OSMAN CONSTRUCTION INC | 1149250 | B — General Building | Jan 31, 2028 |
| OUR HANDY HELPER | 1145235 | B — General Building | Oct 31, 2027 |
| P F P BUILDERS INC | 1162212 | B — General Building | Sep 30, 2028 |
| PACHECO LANDSCAPE MANAGEMENT INC | 1015816 | C-27 — Landscaping | Feb 29, 2028 |
| PACIFIC BAY REMODELING MALABAR CONSTRUCTION INC | 1076321 | B — General Building | May 31, 2027 |
| PACIFIC PREMIER LANDSCAPE INC | 1075771 | C-27 — Landscaping | May 31, 2027 |
| PALACE TILES INC | 879482 | C-54 — Ceramic and Mosaic Tile | Jun 30, 2028 |
| PERFECT HOME BUILDERS INC | 1058032 | B — General Building | Sep 30, 2027 |
| PHILLIPS CONSTRUCTION PHILLIPS STEVEN L CONSTRUCTION INC | 442048 | A — General Engineering | Mar 31, 2027 |
| PICON F R P INC | 952283 | A — General Engineering | Sep 30, 2028 |
| PINON CUSTOM CONSTRUCTION INC | 1048101 | B — General Building | Dec 31, 2026 |
| PLANTS UNLIMITED INC | 393699 | C-27 — Landscaping | Sep 30, 2028 |
| POLYMER FLOOR & WALL COATING SYSTEMS IMPACT FLOOR SOLUTIONS INC | 980836 | D-12 — Synthetic Products | Feb 28, 2027 |
| PREMIUM BUILDERS INC | 767321 | B — General Building | May 31, 2028 |
| PRO ATTIC RESTORATION INC | 1039440 | B — General Building | May 31, 2028 |
| PRO ROOFING MAINTENANCE AN'S ROOFING INC | 1161184 | C-39 — Roofing | Sep 30, 2028 |
| PROPER PLUMBING SERVICES LLC | 1100951 | C-36 — Plumbing | Apr 30, 2028 |
| PROPERTY PROS CONSTRUCTION INC | 889146 | B — General Building | Jun 30, 2028 |
| R A CUSTOM SIDING R A PAINTING & DECORATING INC | 1007444 | B — General Building | Sep 30, 2027 |
| RAYCO CONSTRUCTION SERVICES INC | 809022 | B — General Building | Dec 31, 2027 |
| RAYCO PAINTING & CONSTRUCTION INC | 1029239 | B — General Building | Jul 31, 2027 |
| RED DOOR RESTORATION INC | 916469 | B — General Building | Dec 31, 2026 |
| REIS CONSTRUCTION COMPANY LLC | 1144162 | B — General Building | Sep 30, 2027 |
| RENAISSANCE STONE CARE & WATERPROOFING SEAL WELL INC | 1096214 | A — General Engineering | Sep 30, 2028 |
| RODRIGUEZ HARDWOOD FLOORS INC | 790950 | C-15 — Flooring and Floor Covering | Apr 30, 2027 |
| RURAL PIG MANAGEMENT INC | 657844 | C-13 — Fencing | Jun 30, 2027 |
| RUSSELL ELECTRIC CORPORATION | 1106773 | C-10 — Electrical | Nov 30, 2026 |
| S & S PAINTING AND COATINGS INC | 646957 | C-33 — Painting and Decorating | Jun 30, 2028 |
| SIGMA HVAC & ELECTRIC INC | 1128583 | B — General Building | Nov 30, 2026 |
| SILVA JAMES P CONSTRUCTION INC | 530036 | B — General Building | Jan 31, 2027 |
| SITU CONSTRUCTION INC | 987813 | B — General Building | Oct 31, 2027 |
| SLB CONSTRUCTION INC | 575742 | B — General Building | Dec 31, 2027 |
| SOURCE ENERGY LLC | 1147405 | C-10 — Electrical | Dec 31, 2027 |
| SPLASH OF CLASS PAINTING AND CONSTRUCTION | 1063848 | A — General Engineering | Feb 29, 2028 |
| STAR HARDWOOD FLOOR SERVICES | 919898 | C-15 — Flooring and Floor Covering | Jul 31, 2028 |
| STATEWIDE SYSTEMS INC | 962468 | B — General Building | Jun 30, 2027 |
| STEPKO TILE INC | 856988 | C-54 — Ceramic and Mosaic Tile | Jul 31, 2028 |
| STREAMLINE PLUMBING & DRAIN CO | 672250 | A — General Engineering | Sep 30, 2027 |
| SU CONSTRUCTION STUDIO INC | 1083081 | B — General Building | Oct 31, 2027 |
| SUMMIT FIREPLACE & GRILLS TYRUS VENTURES | 943469 | B — General Building | May 31, 2028 |
| SUNDAY BUILDERS INC | 1112165 | B — General Building | Nov 30, 2027 |
| SUNSHINE DAYDREAMS AWNINGS SUNSHINE DAYDREAMS LLC | 1143130 | D-3 — Awnings | Sep 30, 2027 |
| SYUFY BUILDERS SYONARA INC | 530377 | B — General Building | Apr 30, 2028 |
| T V R ELECTRIC INC | 1026571 | C-10 — Electrical | May 31, 2027 |
| TEN NINE CONSTRUCTION | 1142427 | B — General Building | Aug 31, 2027 |
| TESLA LANDSCAPING | 1084935 | C-27 — Landscaping | May 31, 2027 |
| TIMM R E CONSTRUCTION INC | 1019087 | B — General Building | Oct 31, 2028 |
| TOP ONE EQUIPMENT CARE | 1040710 | C-38 — Refrigeration | Jun 30, 2028 |
| TOP TIER BUILDING SERVICES INC | 1146790 | B — General Building | Nov 30, 2027 |
| TRANSFORMATION CONSTRUCTION & DESIGN INC | 1109820 | B — General Building | Sep 30, 2027 |
| TRI - VALLEY ENGINEERING TRI - VALLEY WATER INC | 1107893 | A — General Engineering | Jul 31, 2027 |
| TRI VALLEY ROOFING CORP | 1100411 | C-39 — Roofing | Jan 31, 2027 |
| TRITON HVAC & APPLIANCE REPAIR TRITON APPLIANCE REPAIR LLC | 1138925 | C-20 — Warm-Air Heating, Ventilating and Air-Conditioning | Jun 30, 2027 |
| TWO BROTHERS ROOFING INC | 378564 | C-39 — Roofing | Aug 31, 2027 |
| TWO14 CONSTRUCTION INC | 1094294 | B — General Building | Jul 31, 2028 |
| U-LAND CONSTRUCTION INC | 986749 | B — General Building | Sep 30, 2027 |
| URBAN ASCENT CONSTRUCTION LLC | 1139582 | B — General Building | Jun 30, 2027 |
| VICTORY CONSTRUCTION INC | 735323 | B — General Building | May 31, 2028 |
| VILLA ALTA CONSTRUCTION INC | 1155358 | B — General Building | May 31, 2028 |
| VIU WINDOW AND HOME INC | 949272 | D-52 — Window Coverings | Jul 31, 2028 |
| VOLTRON ELECTRIC INC | 1030181 | C-10 — Electrical | Aug 31, 2027 |
| WEST SIDE DEVELOPMENT INC | 1061831 | B — General Building | Dec 31, 2027 |
| WESTEREN CONSTRUCTION LLC | 631458 | B — General Building | Sep 30, 2027 |
| WILDER VENTURES | 1056116 | B — General Building | Jul 31, 2027 |
| WING'S ROOFING INC | 698113 | B — General Building | Sep 30, 2027 |
| WONDERLIN ROOFING SYSTEMS INC | 642517 | C-39 — Roofing | Apr 30, 2027 |
| XOTEK INC | 700664 | B — General Building | Dec 31, 2026 |
| ZEEK'S DISCOUNT GLASS INC | 1086133 | C-17 — Glazing | May 31, 2028 |
| ZOLIE BUILDERS INC | 1107148 | B — General Building | Jul 31, 2027 |
Alphabetical order — this site ranks no one. Company licenses with a clear status in the CSLB file of October 1, 2026. Sole owners are not on this site; for today's status and complaints, use the CSLB's Instant License Check. How to read this.