MATRIX HG INC
California contractor license #812232 · Concord, Contra Costa County
License
- License number
- 812232
- Status
- Clear
- Classifications
- B General Building Contractor
- C-4 Boiler, Hot-Water Heating and Steam Fitting Contractor
- C-10 Electrical Contractor
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-36 Plumbing Contractor
- C-38 Refrigeration Contractor
- C-43 Sheet Metal Contractor
- Business type
- Corporation
- Issued
- Sep 5, 2002
- Expires
- Sep 30, 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 #812232 on CSLB's License Check.
California public works
MATRIX HG INC appears on 264 public works projects registered with the California Department of Industrial Relations, 76 of them as the prime contractor, for 98 awarding bodies between 2019 and 2026. Projects it led total $17,068,285 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Aug 25, 2026 | 1000 Ward repair 4 biolersHVAC & mechanical | Contra Costa County | Prime | $34,729 |
| Aug 17, 2026 | 50 Douglas replace fan motorOther | Contra Costa County | Prime | $26,841 |
| Aug 11, 2026 | 1735 Server Room MechanicalHVAC & mechanical | Napa Valley Community College District | Prime | $74,973 |
| Jul 27, 2026 | 3024 Willow Pass VRF#2Other | Contra Costa County | Prime | $16,142 |
| Jul 1, 2026 | Citywide Quarterly HVAC MaintenanceHVAC & mechanical | City of San Rafael | Prime | $175,000 |
| Jun 15, 2026 | Kitchen Upgrades at San Ramon ESBuildings & facilities | Novato Unified School Dist | Subcontractor | $251,000 |
| Jun 15, 2026 | Kitchen Upgrades at Olive ESBuildings & facilities | Novato Unified School Dist | Subcontractor | $251,000 |
| Jun 8, 2026 | UVA Ventilation correctionsHVAC & mechanical | University of California Berkeley -SCM | Prime | $19,177 |
| Jun 5, 2026 | Maintenance Shop Split SustemsOther | Benicia Unified School District | Prime | $72,784 |
| Jun 4, 2026 | LHS HVAC upgradesHVAC & mechanical | Benicia Unified School District | Prime | $21,170 |
| Jun 4, 2026 | MTES Library HVAC upgradesHVAC & mechanical | Benicia Unified School District | Prime | $33,180 |
| Jun 3, 2026 | Byers Hall GE Compact 7T MRITraffic & signals | UCSF Real Estate | Subcontractor | $1,159,463 |
| May 29, 2026 | REC-Kane-CON26-0047 Union SqOther | City and County of San Francisco Recreation and Park Department | Subcontractor | $1,256,937 |
| May 21, 2026 | PSB Jail Control System UpgradeOther | CITY OF BERKELEY | Subcontractor | $1,090,811 |
| May 13, 2026 | 202 Glacier AC#1Other | Contra Costa County | Prime | $24,827 |
| May 11, 2026 | LVFO Office Area HVACHVAC & mechanical | County of Marin Public Works Department | Prime | $30,518 |
| May 7, 2026 | Yacht Club Water Line InstallWater | City of Napa - Public Works Department | Prime | $16,094 |
| May 1, 2026 | HVAC Condenser ReplacementHVAC & mechanical | Contra Costa County Public Works Department | Prime | $90,000 |
| Apr 28, 2026 | Sewer line replacementSewer & wastewater | Contra Costa County Public Works Department | Prime | $50,000 |
| Apr 23, 2026 | Laurel School Upper HVAC ElectrificationWater | Menlo Park City School District | Prime | $1,809,056 |
| Apr 16, 2026 | Laurel School Lower HVAC ElectrificationWater | Menlo Park City School District | Prime | $1,500,914 |
| Apr 14, 2026 | Probation ‘La Plaza A’ RelocationBuildings & facilities | County of Sonoma | Subcontractor | $450,000 |
| Apr 13, 2026 | DO - HVAC upgradesHVAC & mechanical | Benicia Unified School District | Prime | $49,705 |
| Apr 6, 2026 | UC Berkeley Norton Hall DHW BoilerHVAC & mechanical | University of California Berkeley -SCM | Prime | $49,033 |
| Apr 3, 2026 | Nielsen HVAC 4 UnitsHVAC & mechanical | Dublin Unified School District | Prime | $22,029 |
Most recent 25 of 264. 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
- Benicia Unified School District · 29 projects
- Contra Costa County · 27 projects
- Contra Costa County Public Works Department · 19 projects
- Judicial Council of California - (PUB WORKS) · 16 projects
- City of San Rafael · 9 projects
- City of Santa Rosa - Purchasing · 8 projects
- UC Berkeley Facility Services · 7 projects
- UCSF Real Estate · 5 projects
- Santa Rosa City Schools · 5 projects
- Napa Valley Community College District · 5 projects
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