J M S MECHANICAL INC
California contractor license #811562 · Rohnert Park, Sonoma County
License
- License number
- 811562
- Status
- Clear
- Classifications
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-43 Sheet Metal Contractor
- Business type
- Corporation
- Issued
- Aug 16, 2002
- Expires
- Aug 31, 2028
- Workers' compensation
- Workers' Compensation Insurance — National Casualty Company
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Aug 14, 2026. Verify license #811562 on CSLB's License Check.
California public works
J M S MECHANICAL INC appears on 15 public works projects registered with the California Department of Industrial Relations, for 14 awarding bodies between 2023 and 2026.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Mar 24, 2026 | Public Works Utilities Admin BuildingWater | City of Rohnert Park | Subcontractor | $3,189,014 |
| Nov 18, 2025 | Lorenzo Manor E.S. New K BuildingBuildings & facilities | San Lorenzo Unified School District 2 | Subcontractor | $12,076,541 |
| Nov 12, 2025 | B1963HVAC & mechanical | MT. DIABLO UNIFIED SCHOOL DISTRICT PURCHASING | Subcontractor | $3,238,804 |
| Aug 13, 2025 | Albert Biella Elementary School ECE ModeBuildings & facilities | Santa Rosa City Schools | Subcontractor | $5,254,220 |
| Jun 16, 2025 | Mulford Marina Branch LibraryBuildings & facilities | City of San Leandro | Subcontractor | $6,994,000 |
| Jun 5, 2025 | MLK YAP Seismic Retrofit and RenovationFire & life safety | CITY OF BERKELEY | Subcontractor | $10,781,000 |
| Mar 12, 2025 | Fiesta Gardens NorthParks, landscape & fields | San Mateo-Foster City School District | Subcontractor | $26,300,000 |
| Jan 28, 2025 | Otis ES Site Work & New ConstDemolition & site work | Alameda Unified School District | Subcontractor | $60,000,000 |
| Nov 5, 2024 | Walnut Park LibraryParks, landscape & fields | County of Yolo - General Services Department | Subcontractor | $14,184,060 |
| Nov 1, 2024 | Casa Grande HS Gym BleachersBuildings & facilities | Petaluma Joint Union High School District | Subcontractor | $242,000 |
| Feb 1, 2024 | Bowditch Academic Core & GymBuildings & facilities | San Mateo-Foster City School District | Subcontractor | — |
| Oct 17, 2023 | Revitalizing the Historic Richmond MainBuildings & facilities | City of Richmond Department of Public Works | Subcontractor | — |
| Sep 12, 2023 | Lum Demo, Temporary Campus, Wood MS NewDemolition & site work | Alameda Unified School District | Subcontractor | — |
| — | Lakeport Fenway OffsiteBuildings & facilities | Lakeport Fenway Avenue LP | Subcontractor | $2,058,342 |
| — | Meridian at Petaluma NorthOther | Petaluma Corona Station LP | Subcontractor | $52,047,643 |
Most recent 15 of 15. 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
- Alameda Unified School District · 2 projects
- CITY OF BERKELEY · 1 project
- San Mateo-Foster City School District · 1 project
- Lakeport Fenway Avenue LP · 1 project
- San Mateo-Foster City School District · 1 project
- Santa Rosa City Schools · 1 project
- County of Yolo - General Services Department · 1 project
- Petaluma Corona Station LP · 1 project
- City of Richmond Department of Public Works · 1 project
- Petaluma Joint Union High School District · 1 project
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