PLATINUM UNDERGROUND INC DBA AIKEN UNDERGROUND
California contractor license #1093628 · Alamo, Contra Costa County
License
- License number
- 1093628
- Status
- Clear
- Classifications
- A General Engineering Contractor
- Business type
- Corporation
- Issued
- Jul 7, 2022
- Expires
- Jul 31, 2028
- Workers' compensation
- Workers' Compensation Insurance — Zurich American Insurance Company
- Contractor's bond
- $25,000 — Ohio Casualty Insurance Company (The)
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Jun 26, 2026. Verify license #1093628 on CSLB's License Check.
California public works
PLATINUM UNDERGROUND INC DBA AIKEN UNDERGROUND appears on 1 public works project registered with the California Department of Industrial Relations, for 1 awarding body between 2025 and 2025.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| May 19, 2025 | JDF Temporary CourtroomDemolition & site work | County of Solano - Department of General Services | Subcontractor | $1,416,707 |
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
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