PRUNUSKE CHATHAM INC
California contractor license #590735 · Sebastopol, Sonoma County
License
- License number
- 590735
- Status
- Clear
- Classifications
- A General Engineering Contractor
- C-27 Landscaping Contractor
- Business type
- Corporation
- Issued
- Mar 19, 1990
- Expires
- Mar 31, 2028
- 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 1, 2026. Verify license #590735 on CSLB's License Check.
California public works
PRUNUSKE CHATHAM INC appears on 37 public works projects registered with the California Department of Industrial Relations, 14 of them as the prime contractor, for 20 awarding bodies between 2019 and 2026. Projects it led total $6,249,892 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 9, 2026 | Oken Wet Crossing Improvement PlanningOther | Sonoma County Agricultural Preservation and Open Space District | Prime | $46,341 |
| Aug 17, 2026 | Nelson Williams Channel Incision 2026Other | The Nature Conservancy - Fort Bragg | Prime | $615,420 |
| Jul 15, 2026 | Vegetation Management at Albany BeachOther | East Bay Regional Park District - D&C | Prime | $24,096 |
| Apr 10, 2026 | 2026 Invasive Species ManagementOther | Sonoma County Agricultural Preservation and Open Space District | Prime | $48,263 |
| Apr 10, 2026 | Willow Watering & Restoration Site WeediDesign, inspection & consulting | Sonoma County Agricultural Preservation and Open Space District | Prime | $27,369 |
| Feb 26, 2026 | Laguna de Santa Rosa Floodplain RestoratDesign, inspection & consulting | Laguna de Santa Rosa Foundation dba Laguna Landscaping | Prime | $1,045,694 |
| Feb 1, 2026 | Willow Creek Floodplain Design ProjectStorm drain & flood control | Gold Ridge Resource Conservation District | Prime | $1,040,867 |
| Jan 23, 2026 | MEPA Dry Creek BridgeBridges & structures | Department of Transportation, Division of Procurement and Contracts | Subcontractor | $160,563 |
| Sep 8, 2025 | AmeriCorps Trail ExtensionBridges & structures | Engineering Division City of Sebastopol | Subcontractor | — |
| Aug 12, 2025 | Oken Swale MaintenanceOther | Sonoma County Water Agency. | Subcontractor | $168,124 |
| Jul 31, 2025 | Dogbane Preserve Land ManagementDemolition & site work | Sonoma County Agricultural Preservation and Open Space District | Prime | $49,656 |
| Jul 11, 2025 | Petaluma River Park Planning ProjectDesign, inspection & consulting | Petaluma River Park Foundation | Prime | $1,395,800 |
| Jun 24, 2025 | Corte Madera Crk FRM LWR COM RestorationBridges & structures | Marin County Flood Control and Water Conservation District | Subcontractor | $2,974,393 |
| May 1, 2025 | Lower Green Valley Creek Off-Channel HabStorm drain & flood control | Gold Ridge Resource Conservation District | Subcontractor | $2,600,328 |
| Apr 21, 2025 | Oken, Keegan & Coppin Thistle MgmtOther | Sonoma County Agricultural Preservation and Open Space District | Prime | $41,263 |
| Jan 21, 2025 | Oken Riparian Restoration ReplantingDesign, inspection & consulting | Sonoma County Agricultural Preservation and Open Space District | Subcontractor | $49,085 |
| Dec 3, 2024 | Tall Grass Drive Bridge WinterizationBridges & structures | City of Napa - Public Works Department | Subcontractor | $174,419 |
| Nov 15, 2024 | Willow Creek DaylightDesign, inspection & consulting | Sausalito Marin City School District (SMCSD) | Prime | $795,950 |
| Aug 1, 2024 | Pickle Canyon Creek Fish Barrier ProjectOther | Napa County Resource Conservation District | Prime | $459,174 |
| Mar 8, 2024 | As-Needed Land Management Services - PruOther | Sonoma County Agricultural Preservation and Open Space District | Subcontractor | — |
| Feb 27, 2024 | 2024 Oken RestorationOther | Sonoma County Agricultural Preservation and Open Space District | Subcontractor | — |
| Jan 10, 2024 | 04-Son-1-30.8/40.6Storm drain & flood control | California Department of Transportation (Caltrans) | Subcontractor | — |
| Nov 13, 2023 | Oken SwaleStorm drain & flood control | Sonoma County Agricultural Preservation and Open Space District | Prime | $100,000 |
| Sep 1, 2023 | Willow Creek Restoration Design and ReguOther | Gold Ridge Resource Conservation District | Subcontractor | — |
| Jul 1, 2023 | Lakeville Creek Restoration ConstructionOther | Sonoma Land Trust | Subcontractor | — |
Most recent 25 of 37. 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
- Sonoma County Agricultural Preservation and Open Space District · 11 projects
- Gold Ridge Resource Conservation District · 4 projects
- The Nature Conservancy - Fort Bragg · 3 projects
- City of Napa - Public Works Department · 2 projects
- Department of Transportation, Division of Procurement and Contracts · 2 projects
- Laguna de Santa Rosa Foundation dba Laguna Landscaping · 1 project
- California Department of Transportation (Caltrans) · 1 project
- Sausalito Marin City School District (SMCSD) · 1 project
- Petaluma River Park Foundation · 1 project
- Napa County Resource Conservation District · 1 project
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