S O S I
California contractor license #702818 · Belvedere Tiburon, Marin County
License
- License number
- 702818
- Status
- Clear
- Classifications
- A General Engineering Contractor
- ASB Asbestos Certification
- B General Building Contractor
- C-10 Electrical Contractor
- C-36 Plumbing Contractor
- C-55 Water Conditioning Contractor
- C-57 Well Drilling Contractor
- C-61/D-21 Machinery and Pumps
- HAZ Hazardous Substance Removal Certification
- Business type
- Corporation
- Issued
- Feb 17, 1995
- Expires
- Feb 28, 2027
- Workers' compensation
- Workers' Compensation Insurance — State Compensation Insurance Fund
- Contractor's bond
- $25,000 — Western Surety Company
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Jun 9, 2026. Verify license #702818 on CSLB's License Check.
California public works
S O S I appears on 11 public works projects registered with the California Department of Industrial Relations, 11 of them as the prime contractor, for 3 awarding bodies between 2024 and 2026. Projects it led total $2,061,858 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 30, 2026 | Ground/waste water samplingOther | California Department of Transportation (Caltrans) | Prime | $533,333 |
| Sep 16, 2026 | Wash Rack ServicesSewer & wastewater | California Department of Transportation (Caltrans) | Prime | $233,000 |
| Sep 1, 2026 | 26C875000 Water Treatment MaintenanceWater | California Highway Patrol - (PUB WORKS) | Prime | $145,145 |
| Aug 24, 2026 | CHP Truckee - Car Wash Equipment Maint.Other | California Highway Patrol - (PUB WORKS) | Prime | $37,777 |
| Jun 12, 2026 | 26C345005 - Car Wash Equipment and Pit POther | California Highway Patrol - (PUB WORKS) | Prime | $49,333 |
| Mar 26, 2026 | Water Testing ServicesWater | Department of Transportation, Division of Procurement and Contracts | Prime | $277,777 |
| Dec 23, 2025 | 25C660003 - Water Testing and Ice MaintOther | California Highway Patrol - (PUB WORKS) | Prime | $33,333 |
| Nov 20, 2025 | Wastewater Analysis and Monitoring ServiSewer & wastewater | California Department of Transportation (Caltrans) | Prime | $166,667 |
| Oct 15, 2025 | Wastewater Maintenance and ServiceSewer & wastewater | California Department of Transportation (Caltrans) | Prime | $117,060 |
| Oct 1, 2025 | Water Sample Testing and Wastewater ServSewer & wastewater | California Department of Transportation (Caltrans) | Prime | $432,433 |
| Dec 17, 2024 | CHP Winterhaven Area officeOther | California Highway Patrol - (PUB WORKS) | Prime | $36,000 |
Most recent 11 of 11. 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
Is this your business?
Claim it on Atriam to add your work photos, service area and a booking link, and to run calls, leads, estimates and invoices in one place — free.
Claim this business