CAL-OSO BACKFLOW SERVICES LLC
California contractor license #1109590 · Menifee, Riverside County
License
- License number
- 1109590
- Status
- Clear
- Classifications
- C-34 Pipeline Contractor
- C-36 Plumbing Contractor
- C-61/D-64 Non-specialized
- Business type
- Limited Liability
- Issued
- Sep 1, 2023
- Expires
- Sep 30, 2027
- Workers' compensation
- Exempt
- Contractor's bond
- $25,000 — Ohio Casualty Insurance Company (The)
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated Aug 19, 2025. Verify license #1109590 on CSLB's License Check.
California public works
CAL-OSO BACKFLOW SERVICES LLC 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 $41,898 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Aug 17, 2026 | Larry Minor Regional Park RPDA InstallPlumbing & restrooms | Valley-Wide Recreation and Park District | Prime | $41,898 |
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
- Valley-Wide Recreation and Park District · 1 project
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