PLANT HAZARDOUS SERVICES INC
California contractor license #863366 · Alamo, Contra Costa County
License
- License number
- 863366
- Status
- Clear
- Classifications
- A General Engineering Contractor
- ASB Asbestos Certification
- B General Building Contractor
- C-2 Insulation and Acoustical Contractor
- C-21 Building Moving/Demolition Contractor
- C-22 Asbestos Abatement Contractor
- HAZ Hazardous Substance Removal Certification
- Business type
- Corporation
- Issued
- Aug 25, 2005
- Expires
- Aug 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — State Compensation Insurance Fund
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Apr 23, 2026. Verify license #863366 on CSLB's License Check.
California public works
PLANT HAZARDOUS SERVICES INC appears on 9 public works projects registered with the California Department of Industrial Relations, for 8 awarding bodies between 2018 and 2026.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| May 13, 2026 | Portables Replacement Projects Ph 1 & 2Buildings & facilities | Vallejo City Unified School District | Subcontractor | $3,674,796 |
| Sep 4, 2025 | ETSU 1B - Secondary & Effluent Fac. UpgrSewer & wastewater | Union Sanitary District | Subcontractor | $324,530,134 |
| Apr 15, 2025 | BACS St Regis Center RenovationsBuildings & facilities | Bay Area Community Services | Subcontractor | $17,500,000 |
| Aug 12, 2024 | Golf Links RoadPaving & streets | California Department of Health Care Services | Subcontractor | — |
| May 6, 2024 | River RoadPaving & streets | California Department of Health Care Services | Subcontractor | — |
| Aug 16, 2023 | Saint Louise Hospital ModularsElectrical, low voltage & AV | County of Santa Clara, Facilities and Fleet - JOC | Subcontractor | — |
| Jul 1, 2021 | Cole Campus Administration ProjectDemolition & site work | Oakland Unified School District | Subcontractor | — |
| Sep 18, 2019 | RWCF Progressive Design-Build - Phase 2BSewer & wastewater | City of Stockton Municipal Utilities Department | Subcontractor | — |
| Jul 9, 2018 | Summer Lake ElementaryDemolition & site work | Oakley Union Elementary School District | Subcontractor | — |
Most recent 9 of 9. 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
- California Department of Health Care Services · 2 projects
- Vallejo City Unified School District · 1 project
- Union Sanitary District · 1 project
- County of Santa Clara, Facilities and Fleet - JOC · 1 project
- City of Stockton Municipal Utilities Department · 1 project
- Oakland Unified School District · 1 project
- Bay Area Community Services · 1 project
- Oakley Union Elementary School District · 1 project
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