WILLIAMS CONCRETE CONSTRUCTION INC
California contractor license #504555 · Los Osos, San Luis Obispo County
License
- License number
- 504555
- Status
- Clear
- Classifications
- C-8 Concrete Contractor
- Business type
- Corporation
- Issued
- Jan 26, 1987
- Expires
- Aug 31, 2028
- Workers' compensation
- Workers' Compensation Insurance — Endurance Assurance Corporation
- Contractor's bond
- $25,000 — Merchants Bonding Company (Mutual)
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Aug 18, 2026. Verify license #504555 on CSLB's License Check.
California public works
WILLIAMS CONCRETE CONSTRUCTION INC appears on 1 public works project registered with the California Department of Industrial Relations, for 1 awarding body between 2023 and 2023.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 1, 2023 | 26629 Phase 1 Agrmt Water InfrastructureOther | Cal Poly State University, San Luis Obispo | Subcontractor | — |
Most recent 1 of 1. 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
- Cal Poly State University, San Luis Obispo · 1 project
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