PREFERRED INSULATION CONTRACTORS INC
California contractor license #824373 · Corona, Riverside County
License
- License number
- 824373
- Status
- Clear
- Classifications
- C-2 Insulation and Acoustical Contractor
- C-61/D-12 Synthetic Products
- C-61/D-64 Non-specialized
- Business type
- Corporation
- Issued
- Sep 16, 2003
- Expires
- Sep 30, 2027
- Workers' compensation
- Workers' Compensation Insurance — Cypress Insurance Company
- Contractor's bond
- $25,000 — Atlantic Specialty Insurance Company
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Jun 12, 2026. Verify license #824373 on CSLB's License Check.
California public works
PREFERRED INSULATION CONTRACTORS INC appears on 47 public works projects registered with the California Department of Industrial Relations, for 35 awarding bodies between 2022 and 2026.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Aug 25, 2026 | Kingsbury Elementary Roofing and HVACRoofing | Redlands Unified School District | Subcontractor | $2,100,000 |
| May 1, 2026 | Chapultepec Ceiling RepairsPainting & flooring | San Diego State University | Subcontractor | $498,645 |
| Oct 3, 2025 | starbucks renoHVAC & mechanical | California State University San Marcos - PW | Subcontractor | $251,867 |
| Jul 22, 2025 | GENEVA HALL DHW STORAGE TANK REPLACEMENTBuildings & facilities | University of California, San Diego | Subcontractor | $76,720 |
| Apr 16, 2025 | CONVERSION OF ART GALLERY STORAGE TO FACOther | Riverside Community College District | Subcontractor | $330,000 |
| Mar 3, 2025 | GBDF Sally Port Doors and Kitchen RemodeBuildings & facilities | County of San Diego Department of General Services | Subcontractor | $5,000,000 |
| Feb 26, 2025 | RBC HHW Boiler Buffer Tank InstallHVAC & mechanical | Palomar Community College District | Subcontractor | $34,362 |
| Feb 11, 2025 | HVAC Upgrade @ LHHS, SOHS, TRHSHVAC & mechanical | Fullerton Joint Union High School District | Subcontractor | $278,785 |
| Jan 13, 2025 | Rincon Fire Station ReplacementOther | CAL FIRE BSO | Subcontractor | $13,992,177 |
| Jan 6, 2025 | Julian Library HVAC ReplacementHVAC & mechanical | County of San Diego Department of General Services | Subcontractor | $5,000,000 |
| Jan 2, 2025 | CN-4072 MT MIGUEL SCIENCE BLDG HVACHVAC & mechanical | Grossmont Union High School District 1 | Subcontractor | $449,128 |
| Dec 19, 2024 | Reno 550 E Hospitality Stes 100,125,325Buildings & facilities | San Bernardino Community College District | Subcontractor | $2,949,580 |
| Dec 9, 2024 | ELEMENT DERM XYLENE LAB EXHAUST MODIFICAOther | University of California, San Diego | Subcontractor | $471,389 |
| Nov 19, 2024 | Senior Center ModernizationBuildings & facilities | Town of Yucca Valley | Subcontractor | $2,173,000 |
| Oct 25, 2024 | UCSD Vascular TIBuildings & facilities | CPI/AHP Chancellor MOB Owner, LLC | Subcontractor | $1,990,793 |
| Oct 2, 2024 | Rec Ctr Upgrades - Cool ZonesHVAC & mechanical | City of El Cajon | Subcontractor | $2,200,000 |
| Sep 30, 2024 | NCRC HHW Leak RepairsOther | County of San Diego Department of General Services | Subcontractor | $5,000,000 |
| Sep 4, 2024 | 24/25-0005 HVAC Replacement at SouthridgHVAC & mechanical | Fontana Unified School District | Subcontractor | $3,068,879 |
| Aug 19, 2024 | LLUCH NICU ExpansionOther | Loma Linda University Children''s Hospital | Subcontractor | $1,501,836 |
| Jul 16, 2024 | MACC Renovation & Addition BidParks, landscape & fields | Chaffey Community College District | Subcontractor | $22,234,488 |
| Jul 1, 2024 | Cuyamaca College State Scheduled MaintenWater | The Grossmont-Cuyamaca Community College District | Subcontractor | — |
| Jul 1, 2024 | Mountain Transit Maintenance FacilityDemolition & site work | Mountain Area Regional Transit Authority | Subcontractor | $16,025,000 |
| Jun 20, 2024 | Well 205 Perchlorate Groundwater TreatmeWater | Santa Clarita Valley Water Agency | Subcontractor | $22,196,000 |
| Jun 8, 2024 | HVAC REPLACEMENTHVAC & mechanical | Newport-Mesa Unified School District | Subcontractor | — |
| Jun 3, 2024 | Tenant Improvement of The Dr. Bradley PBuildings & facilities | IEHP Inland Empire Health Plan | Subcontractor | — |
Most recent 25 of 47. 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
- County of San Diego Department of General Services · 4 projects
- Chino Valley Unified School District · 3 projects
- University of California, San Diego · 3 projects
- The Grossmont-Cuyamaca Community College District · 2 projects
- City of El Cajon · 2 projects
- Orange Unified School District · 2 projects
- Fontana Unified School District · 2 projects
- Riverside Community College District · 1 project
- Palomar Community College District · 1 project
- IEHP Inland Empire Health Plan · 1 project
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