W C DRILLING INC
California contractor license #664239 · Pinole, Contra Costa County
License
- License number
- 664239
- Status
- Clear
- Classifications
- A General Engineering Contractor
- C-61/D-09 Drilling, Blasting and Oil Field Work
- Business type
- Corporation
- Issued
- Feb 4, 1993
- Expires
- Feb 28, 2027
- Workers' compensation
- Workers' Compensation Insurance — Federal Insurance Company
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated Sep 29, 2026. Verify license #664239 on CSLB's License Check.
California public works
W C DRILLING INC appears on 54 public works projects registered with the California Department of Industrial Relations, 1 of them as the prime contractor, for 41 awarding bodies between 2013 and 2026. Projects it led total $496,369 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jun 15, 2026 | Buchanan Road Slope RepairPaving & streets | City of Pittsburg | Subcontractor | $1,300,000 |
| Apr 13, 2026 | 2709 Hilgard Ave Retaining Wall RepairsBridges & structures | CITY OF BERKELEY | Prime | $496,369 |
| Mar 25, 2026 | RICHMOND HS MOD PHASE 1 INC 2Buildings & facilities | West Contra Costa Unified School District | Subcontractor | $54,011,499 |
| Mar 24, 2026 | Crestmoor Canyon Storm Repair ProjectSewer & wastewater | City of San Bruno - Public Works Department | Subcontractor | $167,000 |
| Jan 13, 2026 | Emerald High School Ph 3Buildings & facilities | Dublin Unified School District | Subcontractor | $40,913,514 |
| Dec 9, 2025 | 03-Sac-51,99-VarStorm drain & flood control | California Department of Transportation (Caltrans) | Subcontractor | $12,762,655 |
| Oct 23, 2025 | 05-SCr-9-6.3/7.2Bridges & structures | California Department of Transportation (Caltrans) | Subcontractor | $4,927,295 |
| Jul 22, 2025 | Ridgecrest MPM 0.10, RDS 25-26Bridges & structures | Napa County Public Works | Subcontractor | $403,057 |
| Jul 8, 2025 | Residence Hall Road ReplacementPaving & streets | Cal Poly State University, San Luis Obispo | Subcontractor | $5,941,639 |
| Jul 1, 2025 | Tim Bell Rd over Dry Creek BridgeStorm drain & flood control | Stanislaus County Department of Public Works | Subcontractor | $22,329,753 |
| Jun 24, 2025 | Corte Madera Crk FRM LWR COM RestorationBridges & structures | Marin County Flood Control and Water Conservation District | Subcontractor | $2,974,393 |
| May 28, 2025 | Palo Alto Flood Basin Tide Gate StructurStorm drain & flood control | Santa Clara Valley Water District - CCSU | Subcontractor | $2,782,645 |
| May 6, 2025 | Lime Kiln Rd Over Curtis Creek Bridge ReBridges & structures | County of Tuolumne Department of Public Works | Subcontractor | $4,671,515 |
| May 6, 2025 | CIP 73148 - International Parkway BridgeBridges & structures | City of Tracy | Subcontractor | $14,125,000 |
| May 6, 2025 | Dry Creek Rd Bridge over Dry CrkRDS15-22Bridges & structures | Napa County Public Works | Subcontractor | $6,331,821 |
| Apr 3, 2025 | 09-Iny-395-117.3/117.9Bridges & structures | California Department of Transportation (Caltrans) | Subcontractor | $12,864,995 |
| Apr 1, 2025 | PLUMBAGO ROAD BRIDGE REPLACEMENTBridges & structures | Sierra County | Subcontractor | $2,750,589 |
| Mar 25, 2025 | Lime Creek Bridge Project - ConstructionBridges & structures | Calaveras County Department of Public Works | Subcontractor | $2,340,886 |
| Mar 24, 2025 | WALNUT HEIGHTS ES MODERNIZATION PROJECTBuildings & facilities | Walnut Creek School District | Subcontractor | $15,097,685 |
| Mar 19, 2025 | Salem Street Bridge Replacement ProjectBridges & structures | City of Chico | Subcontractor | $2,505,571 |
| Feb 6, 2025 | Storm Damage Slide Repair Stewart's PoinStorm drain & flood control | County of Sonoma – SPI _ Sonoma Public Infrastructure | Subcontractor | $5,756,790 |
| Jan 16, 2025 | Buena Vista ES Mod - Phase 1 Site WorkDemolition & site work | Walnut Creek School District | Subcontractor | $8,676,327 |
| Jan 15, 2025 | Denman MS IH & ModernizationBuildings & facilities | San Francisco Unified School District | Subcontractor | $41,875,000 |
| Jan 14, 2025 | 06-Tul-99-35.8/37.1Bridges & structures | California Department of Transportation (Caltrans) | Subcontractor | $66,170,188 |
| Dec 12, 2024 | Early Childhood Education Ctr RenovationBuildings & facilities | Monterey Peninsula College | Subcontractor | $2,718,177 |
Most recent 25 of 54. Contract amounts are the whole project's, as the awarding body reported them to DIR (reported since July 2024); a role is "Prime" when the awarding body registered the contractor on the project.
Awarding bodies it works for most
- California Department of Transportation (Caltrans) · 5 projects
- County of Marin Department of Public Works · 3 projects
- Walnut Creek School District · 3 projects
- Napa County Public Works · 2 projects
- Sausalito Marin City School District · 2 projects
- City of Scotts Valley · 2 projects
- Sacramento Municipal Utility District · 2 projects
- CITY OF BERKELEY · 2 projects
- City of Santa Cruz - Public Works Department · 1 project
- State of California Department of Transportation Office Engineers · 1 project
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