ROBERT COLBURN ELECTRIC INC DBA COLBURN ELECTRIC
California contractor license #750471 · Eureka, Humboldt County
License
- License number
- 750471
- Status
- Clear
- Classifications
- C-10 Electrical Contractor
- Business type
- Corporation
- Issued
- Jun 9, 1998
- Expires
- Jun 30, 2028
- Workers' compensation
- Workers' Compensation Insurance — Travelers Property Casualty Company Of America
- Contractor's bond
- $25,000 — Nationwide Mutual Insurance Company
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated May 21, 2026. Verify license #750471 on CSLB's License Check.
California public works
ROBERT COLBURN ELECTRIC INC DBA COLBURN ELECTRIC appears on 14 public works projects registered with the California Department of Industrial Relations, 2 of them as the prime contractor, for 11 awarding bodies between 2023 and 2026. Projects it led total $278,918 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 15, 2026 | 2027-01 Operations Complex Phase 3HVAC & mechanical | City of Eureka | Subcontractor | $6,059,831 |
| Jun 3, 2026 | Lundbar Hills Backup GeneratorWater | City of Eureka | Prime | $51,892 |
| May 18, 2026 | SB Minor B - HMA bike path, gravel accesStorm drain & flood control | Department of Transportation, Division of Procurement and Contracts | Subcontractor | $355,321 |
| May 12, 2026 | Parking Lot Improvement & expansionOther | California State Polytechnic University, Humboldt | Subcontractor | $2,689,707 |
| Sep 25, 2025 | CG Barracuda Shore Power RestorationOther | Humboldt Bay Harbor, Recreation and Conservation District | Prime | $227,026 |
| Jul 17, 2025 | Health Education HubOther | Humboldt State University | Subcontractor | $4,472,522 |
| Jul 15, 2025 | Eureka Operations Complex Phase 1 ConstOther | City of Eureka | Subcontractor | $7,153,659 |
| Jun 25, 2025 | Hammond Park ImprovementsParks, landscape & fields | Lake County Public Services | Subcontractor | $2,925,474 |
| May 6, 2025 | ERWWTP Wet Weather ImprovementsSewer & wastewater | City of Eureka | Subcontractor | $16,885,548 |
| Apr 3, 2025 | JCS and ACGS--Site WorkDemolition & site work | Jacoby Creek School District | Subcontractor | $1,737,403 |
| Sep 19, 2024 | PE/FieldhouseBuildings & facilities | Redwoods Community College | Subcontractor | $56,840,000 |
| May 2, 2024 | EHS Albee Stadium/Bud Cloney Field ProjeStorm drain & flood control | Eureka City Schools | Subcontractor | $26,283,330 |
| Jun 21, 2023 | 4.5 MG Tank ProjectBuildings & facilities | McKinleyville Community Services District | Subcontractor | — |
| Apr 1, 2023 | Wastewater Collection and Treatment SystSewer & wastewater | Willow Creek Community Services District. | Subcontractor | — |
Most recent 14 of 14. 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
- City of Eureka · 4 projects
- California State Polytechnic University, Humboldt · 1 project
- Jacoby Creek School District · 1 project
- Eureka City Schools · 1 project
- Willow Creek Community Services District. · 1 project
- Lake County Public Services · 1 project
- Humboldt Bay Harbor, Recreation and Conservation District · 1 project
- Redwoods Community College · 1 project
- McKinleyville Community Services District · 1 project
- Humboldt State University · 1 project
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