NORSTAR PLUMBING & ENGINEERING INC
California contractor license #633471 · Alta Loma, San Bernardino County
License
- License number
- 633471
- Status
- Clear
- Classifications
- A General Engineering Contractor
- C-36 Plumbing Contractor
- Business type
- Corporation
- Issued
- Dec 14, 1991
- Expires
- Feb 29, 2028
- Workers' compensation
- Workers' Compensation Insurance — Zurich American Insurance 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 Feb 27, 2026. Verify license #633471 on CSLB's License Check.
California public works
NORSTAR PLUMBING & ENGINEERING INC appears on 10 public works projects registered with the California Department of Industrial Relations, 7 of them as the prime contractor, for 6 awarding bodies between 2023 and 2026. Projects it led total $35,247,413 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jul 13, 2026 | Caltrans IEUA Collections Pad ProjectSewer & wastewater | Inland Empire Utilities Agency | Prime | $87,000 |
| May 12, 2026 | Kimball Parshall Flume Electrical RepairElectrical, low voltage & AV | Inland Empire Utilities Agency | Prime | $77,816 |
| Oct 14, 2025 | CP25033 Waterline AlmondWater | Cucamonga Valley Water District | Prime | $2,913,770 |
| Sep 22, 2025 | Recycled Water Prog - Customer RetrofitsWater | Jurupa Community Services District | Prime | $2,602,450 |
| Sep 22, 2025 | Recycled Water Program - Segment 1Water | Jurupa Community Services District | Prime | $16,918,857 |
| Aug 19, 2025 | UT1066 Downtown Water Main ImprovementsWater | City of Ontario - Ontario Municipal Utilities Company | Prime | $7,734,413 |
| Feb 18, 2025 | Eucalyptus Storm DrainStorm drain & flood control | Prologis L.P. | Prime | $4,913,107 |
| May 1, 2024 | Ontario DC 16 Domestic Water ImprovementOther | Prologis L.P. | Subcontractor | — |
| Apr 1, 2023 | Chino Airport Remedial Action Project PhWater | San Bernardino County - Department of Public Works - Special Districts | Subcontractor | — |
| Mar 31, 2023 | Grove & Eucalyptus Wet Utility ImprovemeOther | Prologis L.P. | Subcontractor | — |
Most recent 10 of 10. 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
- Prologis L.P. · 3 projects
- Jurupa Community Services District · 2 projects
- Inland Empire Utilities Agency · 2 projects
- San Bernardino County - Department of Public Works - Special Districts · 1 project
- Cucamonga Valley Water District · 1 project
- City of Ontario - Ontario Municipal Utilities Company · 1 project
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