PORTER BOILER SERVICE INC
California contractor license #239280 · Signal Hill, Los Angeles County
License
- License number
- 239280
- Status
- Clear
- Classifications
- B General Building Contractor
- C-4 Boiler, Hot-Water Heating and Steam Fitting Contractor
- Business type
- Corporation
- Issued
- Nov 15, 1965
- Expires
- Dec 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — Insurance Company Of The West
- 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 Sep 15, 2026. Verify license #239280 on CSLB's License Check.
California public works
PORTER BOILER SERVICE INC appears on 12 public works projects registered with the California Department of Industrial Relations, 11 of them as the prime contractor, for 7 awarding bodies between 2024 and 2026. Projects it led total $394,248 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jul 21, 2026 | Feed Water Tank ReplacementWater | California State University, Los Angeles | Prime | $94,548 |
| Dec 11, 2025 | FY26 Boiler Maintenance PS BuildingHVAC & mechanical | City of Long Beach | Prime | $16,080 |
| Dec 11, 2025 | FY26 - Boiler Maintenance - PS BuildingHVAC & mechanical | City of Long Beach | Prime | $16,080 |
| Oct 23, 2025 | Boiler ServiceHVAC & mechanical | Pasadena Area Community College District | Prime | $20,000 |
| May 20, 2025 | IJH Boiler replacementHVAC & mechanical | County of Riverside - Facilities Management | Subcontractor | $84,228 |
| Feb 11, 2025 | REPLACE VFDHVAC & mechanical | Pasadena Area Community College District | Prime | $6,556 |
| Nov 8, 2024 | Annual Maintenance & InspectionHVAC & mechanical | Sanitation Districts of Los Angeles County | Prime | $69,500 |
| Aug 21, 2024 | Open Service Order for HousingHVAC & mechanical | California State University, Los Angeles | Prime | $50,000 |
| Aug 6, 2024 | Boilder Services CallsHVAC & mechanical | Pasadena Area Community College District | Prime | $20,000 |
| Jul 15, 2024 | Boiler #3 Flame Burner Element RepairHVAC & mechanical | City of Anaheim Purchasing | Prime | $31,584 |
| Jun 24, 2024 | Boiler preventative maintenanceWater | Las Virgenes Municipal Water District | Prime | $49,900 |
| — | Boiler RepairsHVAC & mechanical | Pasadena Area Community College District | Prime | $20,000 |
Most recent 12 of 12. 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
- Pasadena Area Community College District · 4 projects
- California State University, Los Angeles · 2 projects
- City of Long Beach · 2 projects
- City of Anaheim Purchasing · 1 project
- County of Riverside - Facilities Management · 1 project
- Las Virgenes Municipal Water District · 1 project
- Sanitation Districts of Los Angeles County · 1 project
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