INSULATION SPECIALTIES INC
California contractor license #464164 · Pleasanton, Alameda County
License
- License number
- 464164
- Status
- Clear
- Classifications
- C-2 Insulation and Acoustical Contractor
- Business type
- Corporation
- Issued
- Oct 16, 1984
- Expires
- Oct 31, 2028
- 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, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Sep 3, 2026. Verify license #464164 on CSLB's License Check.
California public works
INSULATION SPECIALTIES INC appears on 70 public works projects registered with the California Department of Industrial Relations, for 49 awarding bodies between 2015 and 2026.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Dec 10, 2026 | BR and NU Modernization ProjectBuildings & facilities | Nevada Joint Union High School District | Subcontractor | $8,374,058 |
| Jun 30, 2026 | Sunnyvale MS Campus Modernization INC 2Buildings & facilities | Sunnyvale School District | Subcontractor | $49,703,711 |
| Jun 6, 2026 | Murwood ModernizationBuildings & facilities | Walnut Creek School District | Subcontractor | $15,325,589 |
| May 7, 2026 | DW Roofing (IH Bld M2, PH Bld D)Paving & streets | East Side Union High School District | Subcontractor | $975,000 |
| May 7, 2026 | DW Roofing (OG, SC)Paving & streets | East Side Union High School District | Subcontractor | $1,400,000 |
| May 6, 2026 | MHHS - Fire Sprinklers for PortablesFire & life safety | Lammersville Unified School District | Subcontractor | $536,200 |
| May 5, 2026 | West Portal ES Modernization Phase 2Fire & life safety | San Francisco Unified School District | Subcontractor | $17,302,000 |
| Mar 27, 2026 | Ryan Ranch Server Room DevelopmentElectrical, low voltage & AV | Salinas Valley Memorial Healthcare System | Subcontractor | $2,468,219 |
| Mar 25, 2026 | Ardenwood, Forest Park, Warwick HVACHVAC & mechanical | FREMONT UNIFIED SCHOOL DISTRICT | Subcontractor | $5,150,000 |
| Mar 24, 2026 | Public Works Utilities Admin BuildingWater | City of Rohnert Park | Subcontractor | $3,189,014 |
| Dec 18, 2025 | WV IS Bldg HVAC UpgradesHVAC & mechanical | West Valley-Mission Community College District | Subcontractor | $1,278,000 |
| Nov 18, 2025 | Lorenzo Manor E.S. New K BuildingBuildings & facilities | San Lorenzo Unified School District 2 | Subcontractor | $12,076,541 |
| Nov 14, 2025 | El Cerrito Plaza - Parcel A SouthBuildings & facilities | ECP Parcel A South Housing Partners, L.P. | Subcontractor | $46,234,275 |
| Nov 12, 2025 | B1963HVAC & mechanical | MT. DIABLO UNIFIED SCHOOL DISTRICT PURCHASING | Subcontractor | $3,238,804 |
| Nov 4, 2025 | Contra Costa Mosquito ImprovementsBuildings & facilities | Contra Costa Mosquito | Subcontractor | $9,926,028 |
| Oct 9, 2025 | Increment 2 Modernization Group 1Plumbing & restrooms | Santa Clara Unified School District | Subcontractor | $1,044,000 |
| Oct 9, 2025 | Increment 2 Modernization Group 1HVAC & mechanical | Santa Clara Unified School District | Subcontractor | $1,144,500 |
| Sep 30, 2025 | Increment 2 Modernization Group 1HVAC & mechanical | Santa Clara Unified School District | Subcontractor | $1,693,208 |
| Sep 30, 2025 | Increment 2 Modernization Group 1Plumbing & restrooms | Santa Clara Unified School District | Subcontractor | $1,454,000 |
| Aug 11, 2025 | CDV ExpansionBuildings & facilities | Salud Para La Gente | Subcontractor | $4,156,712 |
| Jul 28, 2025 | RAVENSWOOD CITY SCHOOL DISTRICT OFFICEDemolition & site work | Ravenswood City School District | Subcontractor | $10,460,500 |
| Jul 15, 2025 | Increment 2 Modernization Group 1Plumbing & restrooms | Santa Clara Unified School District | Subcontractor | $718,627 |
| Jun 5, 2025 | MLK YAP Seismic Retrofit and RenovationFire & life safety | CITY OF BERKELEY | Subcontractor | $10,781,000 |
| Jun 4, 2025 | Pombo Elementary K-8Buildings & facilities | Lammersville Unified School District | Subcontractor | $60,946,404 |
| Jun 2, 2025 | Cumberland ES HVAC and FinishesHVAC & mechanical | Sunnyvale School District | Subcontractor | $8,334,159 |
Most recent 25 of 70. 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
- Santa Clara Unified School District · 6 projects
- County of Santa Clara, Facilities and Fleet · 3 projects
- City and County of San Francisco - Dept. of Public Works · 3 projects
- City of San Jose · 2 projects
- San Francisco Unified School District · 2 projects
- Dublin Unified School District · 2 projects
- Alameda Unified School District · 2 projects
- Hayward USD · 2 projects
- Lammersville Unified School District · 2 projects
- East Side Union High School District · 2 projects
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