COWAN & THOMPSON CONSTRUCTION INC
California contractor license #595745 · Martinez, Contra Costa County
License
- License number
- 595745
- Status
- Clear
- Classifications
- A General Engineering Contractor
- C-12 Earthwork and Paving Contractor
- Business type
- Corporation
- Issued
- Jun 7, 1990
- Expires
- Jun 30, 2028
- Workers' compensation
- Workers' Compensation Insurance — Everest Premier Insurance Company
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated May 26, 2026. Verify license #595745 on CSLB's License Check.
California public works
COWAN & THOMPSON CONSTRUCTION INC appears on 2 public works projects registered with the California Department of Industrial Relations, 2 of them as the prime contractor, for 2 awarding bodies between 2025 and 2026. Projects it led total $548,512 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Aug 25, 2026 | SYCAMORE DRIVE TRAFFIC CALMINGTraffic & signals | City of Antioch | Prime | $488,512 |
| May 30, 2025 | DI Sidewalk RepairStorm drain & flood control | city of martinez | Prime | $60,000 |
Most recent 2 of 2. 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
- city of martinez · 1 project
- City of Antioch · 1 project
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