BAY CITY MECHANICAL SERVICE INC
California contractor license #1149263 · Richmond, Contra Costa County
License
- License number
- 1149263
- Status
- Clear
- Classifications
- C-4 Boiler, Hot-Water Heating and Steam Fitting Contractor
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-36 Plumbing Contractor
- C-43 Sheet Metal Contractor
- Business type
- Corporation
- Issued
- Jan 21, 2026
- Expires
- Jan 31, 2028
- Workers' compensation
- Workers' Compensation Insurance — Zurich American Insurance Company
- Contractor's bond
- $25,000 — Fidelity And Deposit Company Of Maryland
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Oct 1, 2026. Verify license #1149263 on CSLB's License Check.
California public works
BAY CITY MECHANICAL SERVICE INC appears on 2 public works projects registered with the California Department of Industrial Relations, 1 of them as the prime contractor, for 2 awarding bodies between 2026 and 2026. Projects it led total $25,000 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 23, 2026 | BPO Mechanical contractor for HVACHVAC & mechanical | San Francisco State University 2 | Prime | $25,000 |
| Jul 6, 2026 | Haas Pavilion WBB Locker Room RenovationBuildings & facilities | University of CA-Berkeley | Subcontractor | $1,861,443 |
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
- University of CA-Berkeley · 1 project
- San Francisco State University 2 · 1 project
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