O'CONNOR PIPELINES INC
California contractor license #1056307 · San Francisco, San Francisco County
License
- License number
- 1056307
- Status
- Clear
- Classifications
- A General Engineering Contractor
- Business type
- Corporation
- Issued
- Jul 26, 2019
- Expires
- Mar 31, 2028
- Workers' compensation
- Workers' Compensation Insurance — State Compensation Insurance Fund
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Sep 3, 2026. Verify license #1056307 on CSLB's License Check.
California public works
O'CONNOR PIPELINES INC appears on 5 public works projects registered with the California Department of Industrial Relations, 4 of them as the prime contractor, for 3 awarding bodies between 2025 and 2026. Projects it led total $978,682 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Mar 3, 2026 | Central Park Community Center ProjectSewer & wastewater | City of Fremont | Subcontractor | $33,460,000 |
| Feb 13, 2026 | East Blithedale Guardrail Upgrade ProjecTraffic & signals | City of Mill Valley | Prime | $340,000 |
| Dec 12, 2025 | DO Accessibility Improvements Ph 2Paving & streets | South San Francisco Unified School District | Prime | $100,000 |
| Aug 15, 2025 | 501 Cascade Retaining Wall RepairStorm drain & flood control | City of Mill Valley | Prime | $259,182 |
| — | Miller Ave. Storm Drain ImprovementsStorm drain & flood control | City of Mill Valley | Prime | $279,500 |
Most recent 5 of 5. 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 Mill Valley · 3 projects
- South San Francisco Unified School District · 1 project
- City of Fremont · 1 project
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