GREGG SIMPSON TRUCKING
California contractor license #650339 · Ukiah, Mendocino County
License
- License number
- 650339
- Status
- Clear
- Classifications
- A General Engineering Contractor
- Business type
- Sole Owner
- Issued
- Jul 17, 1992
- Expires
- Sep 30, 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, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Feb 25, 2026. Verify license #650339 on CSLB's License Check.
California public works
GREGG SIMPSON TRUCKING appears on 16 public works projects registered with the California Department of Industrial Relations, 7 of them as the prime contractor, for 13 awarding bodies between 2024 and 2026. Projects it led total $599,337 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 29, 2026 | Scarification Deep RippingWater | City of Ukiah | Prime | $31,000 |
| Apr 16, 2026 | Asphalt ReasealingPaving & streets | CAL FIRE BSO | Prime | $224,594 |
| Apr 7, 2026 | C25651008 HENDY WOODS SP Road RepairPaving & streets | CA State Parks, Sonoma-Mendocino Coast District | Subcontractor | $172,600 |
| Mar 25, 2026 | Giselman St Lange St Curb Ramp RepairPaving & streets | City of Lakeport | Prime | $44,115 |
| Jan 8, 2026 | 7264-B HREC Livestock SpringsOther | University of California ANR | Prime | $151,600 |
| Dec 4, 2025 | PO UCDPO00228175Paving & streets | University of California, Davis, Contracting and Procurement | Prime | $30,000 |
| Jul 31, 2025 | NC Streamflow Conservation StrategiesPaving & streets | Trout Unlimited, Inc | Subcontractor | $1,242,000 |
| Jun 13, 2025 | JDSF Road 720 Site 38 Implementation ProStorm drain & flood control | Mendocino County Resource Conservation District | Prime | $86,690 |
| Jun 11, 2025 | Big Creek Reserve Canyon Road Bank StabiStorm drain & flood control | University of California Santa Cruz | Subcontractor | $764,080 |
| May 23, 2025 | Eureka Hill Bridge Revegetation ProjectBridges & structures | Mendocino County Department of Transportation | Prime | $31,338 |
| May 14, 2025 | Anderson Valley Jr Sr High School TrackParks, landscape & fields | Anderson Valley Unified School District | Subcontractor | $3,351,000 |
| May 13, 2025 | Robinson Creek Bridge Replacement on LamBridges & structures | Mendocino County Department of Transportation | Subcontractor | $6,220,348 |
| Apr 1, 2025 | HHS Front Entry ProjectBuildings & facilities | Healdsburg Unified School District | Subcontractor | $2,444,280 |
| Jun 3, 2024 | GREAT REDWOOD TRIAL PHASE 4Other | City of Ukiah | Subcontractor | — |
| May 7, 2024 | New Lakeport CourthouseOther | Judicial Council of California - (PUB WORKS) | Subcontractor | $59,556,308 |
| Jan 30, 2024 | 7454-B HREC SHIPPEY HALL OUTDOOR SHADEBuildings & facilities | University of California ANR | Subcontractor | $203,151 |
Most recent 16 of 16. 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 County Department of Transportation · 2 projects
- City of Ukiah · 2 projects
- University of California ANR · 2 projects
- Healdsburg Unified School District · 1 project
- CA State Parks, Sonoma-Mendocino Coast District · 1 project
- Trout Unlimited, Inc · 1 project
- University of California Santa Cruz · 1 project
- Mendocino County Resource Conservation District · 1 project
- Judicial Council of California - (PUB WORKS) · 1 project
- City of Lakeport · 1 project
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