STERLING ENVIRONMENTAL CORPORATION
California contractor license #537909 · San Leandro, Alameda County
License
- License number
- 537909
- Status
- Clear
- Classifications
- A General Engineering Contractor
- ASB Asbestos Certification
- C-2 Insulation and Acoustical Contractor
- C-22 Asbestos Abatement Contractor
- Business type
- Corporation
- Issued
- Aug 10, 1988
- Expires
- Aug 31, 2028
- Workers' compensation
- Workers' Compensation Insurance — Zurich American Insurance Company
- Contractor's bond
- $25,000 — Great American Insurance Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Jul 23, 2026. Verify license #537909 on CSLB's License Check.
California public works
STERLING ENVIRONMENTAL CORPORATION appears on 169 public works projects registered with the California Department of Industrial Relations, 23 of them as the prime contractor, for 79 awarding bodies between 2017 and 2026. Projects it led total $988,748 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Aug 14, 2026 | UCB Hesse HallBuildings & facilities | UC Berkeley Facility Services | Prime | $30,044 |
| Jul 1, 2026 | FY2026-2027 Blanket Purchase OrderDemolition & site work | PORT OF OAKLAND-PURCHASING | Prime | $50,000 |
| Jun 1, 2026 | 3130 CCPBuildings & facilities | San Ramon Valley Unified School District | Subcontractor | $60,000 |
| May 19, 2026 | Early Childhood Lab School - CCBuildings & facilities | Chabot-Las Positas Community College District | Subcontractor | $3,579,000 |
| May 12, 2026 | Laney College Student Center ImprovementBuildings & facilities | Peralta Community College District | Subcontractor | $4,894,000 |
| Apr 28, 2026 | UCB North Gate HallPainting & flooring | UC Berkeley Facility Services | Prime | $25,760 |
| Apr 15, 2026 | Marshall ES Flooring replacementPaving & streets | San Francisco Unified School District | Subcontractor | $315,000 |
| Apr 1, 2026 | Grattan ES Removal-painted wall muralOther | San Francisco Unified School District | Subcontractor | $23,100 |
| Apr 1, 2026 | Abatement at Creative Arts BuildingDemolition & site work | San Francisco State University | Prime | $5,250 |
| Mar 19, 2026 | Site & ModernizationBuildings & facilities | Bonny Doon Union Elementary School District | Subcontractor | $5,800,000 |
| Mar 17, 2026 | C252000024707HVAC & mechanical | California State University East Bay | Subcontractor | $1,681,037 |
| Mar 14, 2026 | Commercial Building DemolitionDemolition & site work | Mendocino-Lake Community College District | Subcontractor | $109,302 |
| Mar 1, 2026 | Bowditch MS HazMat Phase AOther | San Mateo-Foster City School District | Subcontractor | $657,600 |
| Feb 25, 2026 | MG267152Demolition & site work | Foothill-De Anza Community College District | Prime | $74,720 |
| Feb 6, 2026 | James Lick MS Gym Water Intrusion RemedBuildings & facilities | San Francisco Unified School District | Prime | $47,844 |
| Feb 5, 2026 | Green Infrastructure ProjectStorm drain & flood control | San Francisco Unified School District | Subcontractor | $1,850,601 |
| Feb 4, 2026 | JFK HVAC ProjectHVAC & mechanical | Redwood City School District | Subcontractor | $7,823,818 |
| Jan 6, 2026 | Moffitt Long Hospital Nuclear Medicine HBuildings & facilities | UCSF Medical Center | Subcontractor | $6,812,158 |
| Nov 25, 2025 | 2000024551Demolition & site work | California State University East Bay | Subcontractor | $105,324 |
| Oct 21, 2025 | 2850 Telegraph HVAC ReplacementHVAC & mechanical | University of CA-Berkeley | Subcontractor | $483,693 |
| Sep 9, 2025 | Marin County Juvenile Hall HVAC ReplacemHVAC & mechanical | Marin County Department of Public Works | Subcontractor | $1,683,560 |
| Aug 27, 2025 | 10-SJ-4-0.0Bridges & structures | California Department of Transportation (Caltrans) | Subcontractor | $5,193,333 |
| Aug 18, 2025 | On-Call Building 09/01/2025-08/31/2027Buildings & facilities | PORT OF OAKLAND | Subcontractor | $8,000,000 |
| Aug 15, 2025 | SFSU Business CenterDemolition & site work | San Francisco State University 2 | Prime | $6,050 |
| Jul 21, 2025 | Lafayette ES Install New Play StructureParks, landscape & fields | San Francisco Unified School District | Prime | $67,120 |
Most recent 25 of 169. 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
- San Francisco Unified School District · 29 projects
- UCSF Real Estate · 13 projects
- University of CA-Berkeley · 11 projects
- San Francisco State University 2 · 8 projects
- City and County of San Francisco - Dept. of Public Works · 6 projects
- UC Berkeley Facility Services · 5 projects
- San Rafael City Schools · 3 projects
- UCSF Medical Center · 3 projects
- Chabot-Las Positas Community College District · 3 projects
- Redwood City School District · 3 projects
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