O'BRIEN BUILDERS
California contractor license #407631 · Napa, Napa County
License
- License number
- 407631
- Status
- Clear
- Classifications
- B General Building Contractor
- Business type
- Corporation
- Issued
- Jun 30, 1981
- Expires
- Apr 30, 2027
- Workers' compensation
- Workers' Compensation Insurance — Midwest Employers Casualty Company
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Oct 1, 2025. Verify license #407631 on CSLB's License Check.
California public works
O'BRIEN BUILDERS appears on 1 public works project registered with the California Department of Industrial Relations, 1 of them as the prime contractor, for 1 awarding body between 2026 and 2026. Projects it led total $1,268,681 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jun 19, 2026 | Kyle Hyland Foundation Teen CenterHVAC & mechanical | The Kyle Hyland Foundation for Teen Support, Inc. | Prime | $1,268,681 |
Most recent 1 of 1. 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
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