STROER & GRAFF INC
California contractor license #397082 · Antioch, Contra Costa County
License
- License number
- 397082
- Status
- Clear
- Classifications
- A General Engineering Contractor
- Business type
- Corporation
- Issued
- Jan 6, 1981
- Expires
- Jan 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — Old Republic Insurance Company
- Contractor's bond
- $25,000 — Ohio Casualty Insurance Company (The)
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Jun 1, 2026. Verify license #397082 on CSLB's License Check.
California public works
STROER & GRAFF INC appears on 10 public works projects registered with the California Department of Industrial Relations, for 10 awarding bodies between 2020 and 2025.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jul 8, 2025 | Tomato Stand Bridge AbutmentsBridges & structures | East Bay Municipal Utility District - Purchasing | Subcontractor | $340,600 |
| Jun 20, 2025 | Sol-80 WB Cordelia Truck Scales; ConstruOther | California Department of Transportation, Division of Design | Subcontractor | $152,000,000 |
| Dec 5, 2024 | Amador Street Infrastructure ImprovementSewer & wastewater | Port of San Francisco | Subcontractor | $10,236,543 |
| Oct 2, 2023 | Fire Safety Modernization, Gianelli PumpBuildings & facilities | California Natural Resources Agency, Department of Water Resources, State of Cal | Subcontractor | — |
| Jun 26, 2023 | Humboldt Bay Trail South ProjectParks, landscape & fields | County of Humboldt Department of Public Works | Subcontractor | — |
| May 2, 2023 | Covelo SR 162 Corridor Multi-Purpose TraParks, landscape & fields | Mendocino Council of Governments | Subcontractor | — |
| Apr 1, 2023 | College Lake Integrated Resources ManageOther | Pajaro Valley Water Management Agency | Subcontractor | — |
| May 1, 2021 | Hospital Bed Replacement TowerBuildings & facilities | UC Davis Health System - Facilities Design & Construction | Subcontractor | — |
| Apr 16, 2020 | 9405.71 - Bus Maintenance FacilityBuildings & facilities | San Francisco International Airport Commission | Subcontractor | — |
| Mar 23, 2020 | BVARA Boat Launch RepairOther | County Of Kern - Construction Services | Subcontractor | — |
Most recent 10 of 10. 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
- Mendocino Council of Governments · 1 project
- Pajaro Valley Water Management Agency · 1 project
- San Francisco International Airport Commission · 1 project
- California Natural Resources Agency, Department of Water Resources, State of Cal · 1 project
- UC Davis Health System - Facilities Design & Construction · 1 project
- County Of Kern - Construction Services · 1 project
- County of Humboldt Department of Public Works · 1 project
- East Bay Municipal Utility District - Purchasing · 1 project
- California Department of Transportation, Division of Design · 1 project
- Port of San Francisco · 1 project
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