DIABLO PLUMBING INC
California contractor license #570711 · Pleasanton, Alameda County
License
- License number
- 570711
- Status
- Clear
- Classifications
- C-36 Plumbing Contractor
- Business type
- Corporation
- Issued
- Jun 13, 1989
- Expires
- Jan 31, 2027
- Workers' compensation
- Leasing Firm, Temp Agency, Etc — A I U Insurance Company
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Jun 30, 2026. Verify license #570711 on CSLB's License Check.
California public works
DIABLO PLUMBING INC appears on 2 public works projects registered with the California Department of Industrial Relations, for 2 awarding bodies between 2024 and 2025.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Dec 19, 2025 | La Placita - SOAC TIBuildings & facilities | 1751 Alum Rock, LLC | Subcontractor | $6,567,680 |
| May 6, 2024 | Devonwood ApartmentsOther | Devonwood Apartments, LP | Subcontractor | — |
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
- 1751 Alum Rock, LLC · 1 project
- Devonwood Apartments, LP · 1 project
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