KOCH & KOCH INC
California contractor license #793724 · Grass Valley, Nevada County
License
- License number
- 793724
- Status
- Clear
- Classifications
- A General Engineering Contractor
- B General Building Contractor
- C-10 Electrical Contractor
- C-21 Building Moving/Demolition Contractor
- HAZ Hazardous Substance Removal Certification
- Business type
- Corporation
- Issued
- Apr 11, 2001
- Expires
- Apr 30, 2027
- Workers' compensation
- Workers' Compensation Insurance — Arch Insurance Company
- Contractor's bond
- $25,000 — Merchants Bonding Company (Mutual)
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Jul 1, 2026. Verify license #793724 on CSLB's License Check.
California public works
KOCH & KOCH INC appears on 9 public works projects registered with the California Department of Industrial Relations, 4 of them as the prime contractor, for 8 awarding bodies between 2021 and 2026. Projects it led total $6,948,302 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jun 30, 2026 | Wexford Lift Station Improvement ProjectSewer & wastewater | County of Placer - Department of Public Works | Prime | $2,105,275 |
| Jun 26, 2026 | Lopes Road Lift Station ImprovementsSewer & wastewater | Fairfield-Suisun Sewer District | Prime | $2,498,000 |
| Mar 10, 2025 | Slide Gate and Slide Gate replacementOther | Woodbridge Sanitary District | Prime | $106,265 |
| Jan 16, 2025 | Monte Vista Tank ReplacementOther | Placer County Water Agency - Auburn | Prime | $2,238,762 |
| Apr 22, 2024 | GCID Hamilton City Pumping Plant ElectriElectrical, low voltage & AV | Glenn-Colusa Irrigation District | Subcontractor | — |
| Jul 24, 2023 | EFA - Remove existing pump, install tempOther | California Department of Transportation (Caltrans) | Subcontractor | — |
| May 30, 2023 | Vintage Oak SSLS Upgrades ProjectElectrical, low voltage & AV | City of Galt | Subcontractor | — |
| Feb 15, 2023 | 10-SJ-4, 99, 120-VARWater | California Department of Transportation (Caltrans) | Subcontractor | — |
| Sep 1, 2021 | La Vista Tank and Booster Pump Station PStorm drain & flood control | Carmichael Water 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 Transportation (Caltrans) · 2 projects
- Placer County Water Agency - Auburn · 1 project
- Woodbridge Sanitary District · 1 project
- City of Galt · 1 project
- County of Placer - Department of Public Works · 1 project
- Carmichael Water District · 1 project
- Glenn-Colusa Irrigation District · 1 project
- Fairfield-Suisun Sewer District · 1 project
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