SONNIKSON AND STORDAHL CONSTRUCTION
California contractor license #662756 · Martinez, Contra Costa County
License
- License number
- 662756
- Status
- Clear
- Classifications
- A General Engineering Contractor
- HAZ Hazardous Substance Removal Certification
- Business type
- Corporation
- Issued
- Jan 12, 1993
- Expires
- Jan 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — Hartford Fire Insurance Company
- Contractor's bond
- $25,000 — Atlantic Specialty Insurance Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Sep 11, 2026. Verify license #662756 on CSLB's License Check.
California public works
SONNIKSON AND STORDAHL CONSTRUCTION appears on 9 public works projects registered with the California Department of Industrial Relations, 4 of them as the prime contractor, for 5 awarding bodies between 2019 and 2026. Projects it led total $488,380 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Aug 19, 2026 | Plant HR Chiller Room ImprovementsHVAC & mechanical | Central Contra Costa Sanitary District | Prime | $78,000 |
| Apr 20, 2026 | Boneyard DemolitionDemolition & site work | Central Contra Costa Sanitary District | Prime | $183,860 |
| Feb 24, 2026 | MDF UST Replacement IMMR & NTPPaving & streets | Contra Costa County Public Works Department | Subcontractor | $799,400 |
| Feb 17, 2026 | Tank PadConcrete & masonry | Central Contra Costa Sanitary District | Prime | $26,520 |
| Sep 2, 2025 | MDF UST ReplacementPaving & streets | Contra Costa County Public Works Department | Subcontractor | $800,000 |
| Jul 15, 2025 | Sonnikson – On-CallOther | City of Lafayette Public Works Services | Prime | $200,000 |
| May 19, 2025 | Waterbird Re-pipe Fuel LinesOther | Contra Costa County Public Works Department | Subcontractor | $827,149 |
| May 13, 2025 | 2025 RAS/WAS System ImprovementsSewer & wastewater | Rodeo Sanitary District | Subcontractor | $896,496 |
| Nov 18, 2019 | SF Ferry Terminal Outer Berth HydraulicOther | Golden Gate Bridge Highway, and Transportation 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
- Contra Costa County Public Works Department · 3 projects
- Central Contra Costa Sanitary District · 3 projects
- Golden Gate Bridge Highway, and Transportation District · 1 project
- Rodeo Sanitary District · 1 project
- City of Lafayette Public Works Services · 1 project
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