RONALD R NELSON CONTRACTOR INC
California contractor license #247431 · San Francisco, San Francisco County
License
- License number
- 247431
- Status
- Clear
- Classifications
- A General Engineering Contractor
- C-8 Concrete Contractor
- Business type
- Corporation
- Issued
- Apr 6, 1967
- Expires
- Mar 31, 2028
- Workers' compensation
- Workers' Compensation Insurance — Everest Premier 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 Aug 25, 2026. Verify license #247431 on CSLB's License Check.
California public works
RONALD R NELSON CONTRACTOR INC appears on 2 public works projects registered with the California Department of Industrial Relations, for 2 awarding bodies between 2024 and 2024.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Apr 9, 2024 | WW-738 East SOMA Sewer ImprovementSewer & wastewater | San Francisco Public Utilities Commission | Subcontractor | $10,802,800 |
| Feb 13, 2024 | Bernal eighteen-Inch Water Main,F-Four LWater | City of Pleasanton | Subcontractor | — |
Most recent 2 of 2. 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 Pleasanton · 1 project
- San Francisco Public Utilities Commission · 1 project
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