WESTERN INDOOR ENVIRONMENTAL SERVICES
California contractor license #1001877 · Montebello, Los Angeles County
License
- License number
- 1001877
- Status
- Clear
- Classifications
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-61/D-64 Non-specialized
- Business type
- Corporation
- Issued
- Mar 13, 2015
- Expires
- Mar 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — State Compensation Insurance Fund
- Contractor's bond
- $25,000 — Nationwide Mutual Insurance Company
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Feb 19, 2026. Verify license #1001877 on CSLB's License Check.
California public works
WESTERN INDOOR ENVIRONMENTAL SERVICES appears on 30 public works projects registered with the California Department of Industrial Relations, 21 of them as the prime contractor, for 21 awarding bodies between 2023 and 2026. Projects it led total $1,511,551 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Aug 27, 2026 | 26-42007-000 Damper InspectionsDesign, inspection & consulting | Department of State Hospitals - Napa | Prime | $103,055 |
| Aug 14, 2026 | P0120125 WCE HVAC SYSTEM CLEANING SERVICHVAC & mechanical | Lake Elsinore Unified School District | Prime | $29,950 |
| Aug 14, 2026 | P0120126 DGE HVAC SYSTEM CLEANING SERVICHVAC & mechanical | Lake Elsinore Unified School District | Prime | $31,850 |
| Aug 13, 2026 | P0119674 HVAC SYSTEM CLEANING AT TCM, CCHVAC & mechanical | Lake Elsinore Unified School District | Prime | $19,490 |
| Aug 4, 2026 | Y68P0911Other | Capistrano Unified School District | Prime | $14,490 |
| Jul 30, 2026 | 22A1342 HVAC Duct and KitchenHVAC & mechanical | Department of Transportation, Division of Procurement and Contracts | Prime | $231,990 |
| Jul 1, 2026 | Kitchen Exhaust System CleaningRoofing | Jurupa Unified School District | Prime | $5,240 |
| Jul 1, 2026 | AIR DUCT SERVICESOther | San Dieguito Union High School District | Prime | $25,000 |
| Jul 1, 2026 | WESTERN INDOOR ENVIRONMENTAL 2627-43Other | Placentia Yorba Linda Unified School District | Prime | $300,000 |
| May 15, 2026 | Library DuctworkWater | City of Coronado | Prime | $15,500 |
| Apr 29, 2026 | HVAC Air Duct Cleaning ServicesHVAC & mechanical | Inland Empire Utilities Agency | Prime | $53,945 |
| Jan 20, 2026 | Gordon Clubhouse HVAC Replacement ProjecRoofing | City of El Segundo | Subcontractor | $135,000 |
| Nov 10, 2025 | SAN MARINO UNIFIEDOther | San Marino Unified School District | Prime | $1,990 |
| Oct 16, 2025 | IES HVAC at WESHVAC & mechanical | Wright Elementary School District | Prime | $40,174 |
| Sep 30, 2025 | Jail: Chase and Duct CleaningHVAC & mechanical | Shasta County Dept. of Public Works Facilities Management Div. | Prime | $54,458 |
| Jul 1, 2025 | C1002768-WESTERN INDOOR ENVIRO SERVICESRoofing | Jurupa Unified School District | Prime | $5,490 |
| Jul 1, 2025 | PO W68P0165Other | Capistrano Unified School District | Prime | $16,830 |
| Jun 17, 2025 | Los Osos Middle School Phase 1B Amnd. 02Buildings & facilities | San Luis Coastal Unified School District | Subcontractor | $15,724,558 |
| Apr 28, 2025 | Replacement of Mechanical Units at SAHVAC & mechanical | Orange County Transportation Authority | Subcontractor | $4,593,000 |
| Feb 4, 2025 | E1-24 Elmhurst HVAC ProjectHVAC & mechanical | Ventura Unified School District | Subcontractor | $3,444,123 |
| Feb 4, 2025 | E2-24 - Montalvo E.S. HVAC InstallationHVAC & mechanical | Ventura Unified School District | Subcontractor | $4,363,700 |
| Dec 24, 2024 | HVAC Equipment and Duct Cleaning ServiceHVAC & mechanical | County of Orange/OC Public Works | Subcontractor | $1,000,000 |
| Dec 24, 2024 | Exhaust and hood cleaning maintenanceOther | Department of State Hospitals - Metropolitan | Prime | $41,690 |
| Oct 9, 2024 | Fire and Smoke Damper I&T DistrictwideOther | Rancho Santiago Community College District | Prime | $46,990 |
| Aug 28, 2024 | HVAC Duct Cleaning ServicesHVAC & mechanical | Department of Transportation, Division of Procurement and Contracts | Prime | $123,420 |
Most recent 25 of 30. 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
- Lake Elsinore Unified School District · 3 projects
- Capistrano Unified School District · 2 projects
- San Luis Coastal Unified School District · 2 projects
- Placentia Yorba Linda Unified School District · 2 projects
- Department of Transportation, Division of Procurement and Contracts · 2 projects
- Ventura Unified School District · 2 projects
- San Dieguito Union High School District · 2 projects
- Jurupa Unified School District · 2 projects
- County of Orange/OC Public Works · 1 project
- City of Coronado · 1 project
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