MATHEWS MECHANICAL
California contractor license #643197 · Newark, Alameda County
License
- License number
- 643197
- Status
- Clear
- Classifications
- C-36 Plumbing Contractor
- C-61/D-21 Machinery and Pumps
- C-61/D-28 Doors, Gates and Activating Devices
- Business type
- Corporation
- Issued
- Apr 25, 1992
- Expires
- Feb 28, 2027
- Workers' compensation
- Workers' Compensation Insurance — Travelers Property Casualty Company Of America
- Contractor's bond
- $25,000 — Western Surety Company
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Aug 7, 2026. Verify license #643197 on CSLB's License Check.
California public works
MATHEWS MECHANICAL appears on 11 public works projects registered with the California Department of Industrial Relations, 7 of them as the prime contractor, for 11 awarding bodies between 2020 and 2026. Projects it led total $469,211 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Aug 7, 2026 | UCB Philosophy HallBuildings & facilities | UC Berkeley Facility Services | Prime | $42,383 |
| Mar 4, 2026 | D2025-43_CITY ENTRY SIGN REPAIR PROJECTOther | City of Walnut Creek | Prime | $38,359 |
| Dec 16, 2025 | ALUMINUM STAIRS FOR ADMIN BUILDING ROOFRoofing | City of Santa Cruz - Public Works Department - Wastewater Treatment Facility | Prime | $40,434 |
| Oct 7, 2025 | LS#2 Wet Well Pit RepairWater | Lake County Special Districts | Prime | $43,700 |
| Aug 14, 2025 | Diamond Plate Hatches ProjectOther | Santa Clara Valley Water District - CCSU | Prime | $16,514 |
| Jun 23, 2025 | 24-225078Other | Department of General Services | Prime | $246,501 |
| Oct 3, 2024 | Installation of One Water TechnologiesOther | Las Gallinas Valley Sanitary District | Subcontractor | $51,770 |
| Aug 14, 2023 | Parking Structure 7Other | UC Davis Health System - Facilities Design & Construction | Subcontractor | — |
| Sep 16, 2022 | 900 Innes Park DevelopmentParks, landscape & fields | City and County of San Francisco - Dept. of Public Works | Subcontractor | — |
| Oct 5, 2020 | WW-662R - SEP Power Feed and Primary SwiElectrical, low voltage & AV | San Francisco Public Utilities Commission | Subcontractor | — |
| — | RIGID FALL PROTECTION RAIL SYSTEMHVAC & mechanical | Daly City Public Works Maintenance Division | Prime | $41,319 |
Most recent 11 of 11. 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
- Santa Clara Valley Water District - CCSU · 1 project
- City of Walnut Creek · 1 project
- Daly City Public Works Maintenance Division · 1 project
- Lake County Special Districts · 1 project
- Las Gallinas Valley Sanitary District · 1 project
- UC Berkeley Facility Services · 1 project
- UC Davis Health System - Facilities Design & Construction · 1 project
- Department of General Services · 1 project
- City of Santa Cruz - Public Works Department - Wastewater Treatment Facility · 1 project
- City and County of San Francisco - Dept. of Public Works · 1 project
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