BAY CITY MECHANICAL INCORPORATED
California contractor license #645126 · Richmond, Contra Costa County
License
- License number
- 645126
- Status
- Clear
- Classifications
- B General Building Contractor
- 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
- May 15, 1992
- Expires
- May 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 #645126 on CSLB's License Check.
California public works
BAY CITY MECHANICAL INCORPORATED appears on 168 public works projects registered with the California Department of Industrial Relations, 4 of them as the prime contractor, for 93 awarding bodies between 2016 and 2026. Projects it led total $160,721 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 1, 2026 | H&SS Public Reception Updates - WICOther | County of Solano - Department of General Services | Subcontractor | $276,896 |
| Aug 17, 2026 | Plumbing Assessment at METPlumbing & restrooms | Bay Area Rapid Transit District | Prime | $27,927 |
| Jun 23, 2026 | Fox Courts RehabOther | Fox Recap, L.P. | Subcontractor | $7,214,149 |
| Jun 6, 2026 | Murwood ModernizationBuildings & facilities | Walnut Creek School District | Subcontractor | $15,325,589 |
| Jun 1, 2026 | DW Classroom TransformationBuildings & facilities | San Mateo Union High School District | Subcontractor | $1,863,167 |
| Apr 29, 2026 | Balboa Reservoir Building A HousingWater | Mayor''s Office of Housing and Community Development | Subcontractor | $100,000,000 |
| Apr 17, 2026 | Irvington New CR, Admin, Library BldgBuildings & facilities | FREMONT UNIFIED SCHOOL DISTRICT | Subcontractor | $96,236,654 |
| Apr 7, 2026 | 34th and San PabloOther | 34SP Development, LP | Subcontractor | $38,753,904 |
| Apr 1, 2026 | 2700 InternationalOther | 2700 International, LP | Subcontractor | — |
| Mar 25, 2026 | RICHMOND HS MOD PHASE 1 INC 2Buildings & facilities | West Contra Costa Unified School District | Subcontractor | $54,011,499 |
| Mar 24, 2026 | Johnson ES WSM GMP No. 2 LLBBuildings & facilities | San Diego Unified School District | Subcontractor | $32,326,739 |
| Mar 19, 2026 | WV General ContractorOther | West Valley-Mission Community College District | Subcontractor | $67,160,000 |
| Mar 5, 2026 | St. Paul TerraceOther | St. Paul Terrace, L.P. | Subcontractor | $46,284,820 |
| Mar 3, 2026 | Saggio Hills Phase 2Buildings & facilities | Saggio Hills Lot 3, L.P. | Subcontractor | $23,161,597 |
| Feb 18, 2026 | 967 Mission New ConstructionOther | Mayor''s Office of Housing and Community Development | Subcontractor | $56,417,159 |
| Feb 10, 2026 | Brookside MCRCDemolition & site work | Contra Costa County Public Works Department | Subcontractor | $17,516,301 |
| Feb 9, 2026 | Bray Courts, Lactation RoomBuildings & facilities | Judicial Council of California - (PUB WORKS) | Subcontractor | $163,096 |
| Feb 9, 2026 | Monterey CH Lactation RoomBuildings & facilities | Judicial Council of California - (PUB WORKS) | Subcontractor | $168,790 |
| Feb 9, 2026 | Richard E. Arnason Justice Center LRBuildings & facilities | Judicial Council of California - (PUB WORKS) | Subcontractor | $186,689 |
| Feb 9, 2026 | Wakefield Taylor CH Lactation RoomBuildings & facilities | Judicial Council of California - (PUB WORKS) | Subcontractor | $180,345 |
| Feb 9, 2026 | Lodi Branch Dept. 1 Lactation RoomBuildings & facilities | Judicial Council of California - (PUB WORKS) | Subcontractor | $185,195 |
| Feb 9, 2026 | Walnut Creek CH Lactation RoomPlumbing & restrooms | Judicial Council of California - (PUB WORKS) | Subcontractor | $234,673 |
| Feb 4, 2026 | Clifford HVACHVAC & mechanical | Redwood City School District | Subcontractor | $5,658,546 |
| Feb 4, 2026 | Orion HVAC ProjectHVAC & mechanical | Redwood City School District | Subcontractor | $4,545,678 |
| Jan 13, 2026 | Emerald High School Ph 3Buildings & facilities | Dublin Unified School District | Subcontractor | $40,913,514 |
Most recent 25 of 168. 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 and County of San Francisco - Dept. of Public Works · 10 projects
- Mayor''s Office of Housing and Community Development · 7 projects
- San Diego Unified School District · 6 projects
- Judicial Council of California - (PUB WORKS) · 6 projects
- Redwood City School District · 6 projects
- Walnut Creek School District · 5 projects
- West Contra Costa Unified School District · 5 projects
- San Rafael City Schools · 4 projects
- Novato Unified School District · 4 projects
- Vallejo City Unified School District · 4 projects
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