MICHAEL GREGORY PORTEOUS DBA MGP CONSTRUCTION
California contractor license #510978 · Upland, San Bernardino County
License
- License number
- 510978
- Status
- Clear
- Classifications
- A General Engineering Contractor
- B General Building Contractor
- C-10 Electrical Contractor
- C-36 Plumbing Contractor
- C-46 Solar Contractor
- Business type
- Sole Owner
- Issued
- May 19, 1987
- Expires
- Apr 30, 2027
- 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, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Apr 17, 2026. Verify license #510978 on CSLB's License Check.
California public works
MICHAEL GREGORY PORTEOUS DBA MGP CONSTRUCTION appears on 1 public works project registered with the California Department of Industrial Relations, for 1 awarding body between 2023 and 2023.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jul 1, 2023 | Puerta La Cruz Bus Barn ReplacementOther | Department of Forestry and Fire Protection | Subcontractor | — |
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
- Department of Forestry and Fire Protection · 1 project
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