AIR TREATMENT CORPORATION
California contractor license #793078 · Brea, Orange County
License
- License number
- 793078
- Status
- Clear
- Classifications
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- Business type
- Corporation
- Issued
- Mar 28, 2001
- Expires
- Mar 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — Great American Assurance Company
- Contractor's bond
- $25,000 — Travelers Casualty And Surety Company Of America
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Oct 1, 2026. Verify license #793078 on CSLB's License Check.
California public works
AIR TREATMENT CORPORATION appears on 45 public works projects registered with the California Department of Industrial Relations, 9 of them as the prime contractor, for 39 awarding bodies between 2019 and 2026. Projects it led total $868,000 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 16, 2026 | AIR TREATMENT CORPORATION REQ01080555Parks, landscape & fields | UC San Diego | Prime | $466,650 |
| Sep 2, 2026 | District Wide - Fume HoodOther | Clovis Unified School District | Prime | $81,000 |
| Aug 7, 2026 | Mechanical on Cooling TowerHVAC & mechanical | Asian Art Museum of San Francisco | Prime | $45,650 |
| Jun 30, 2026 | UCB Bakar Labs/Preventative MaintenanceHVAC & mechanical | University of California Berkeley -SCM | Prime | $15,682 |
| Jan 8, 2026 | A C Pros, Inc.Electrical, low voltage & AV | University of California, Los Angeles | Subcontractor | $3,988,000 |
| Dec 1, 2025 | Central Plant Cooling Towers RebuildHVAC & mechanical | Chaffey Community College District | Subcontractor | $497,237 |
| Oct 18, 2025 | 1200 Aguajito HVAC Replacement & RepairsRoofing | County of Monterey Public Works, Facilities and Parks | Subcontractor | $611,697 |
| Oct 14, 2025 | DAS- Cooling Tower RefurbishmentHVAC & mechanical | County of Riverside - Facilities Management | Subcontractor | $108,924 |
| Oct 6, 2025 | Bren Hall Cooling Tower Fill ReplacementHVAC & mechanical | The University of California | Subcontractor | $86,165 |
| Sep 11, 2025 | Harbor Admin Bldg HVAC ReplacementHVAC & mechanical | Port of Los Angeles - Construction Division | Subcontractor | $12,569,495 |
| Jul 24, 2025 | AIR TREATMENT CORP REQ00917954Other | UC San Diego | Subcontractor | $212,929 |
| May 8, 2025 | Fullerton College - Fill Media UpgradeHVAC & mechanical | North Orange County Community College District | Subcontractor | $31,467 |
| Feb 4, 2025 | Chiller ReplacementHVAC & mechanical | City of Poway | Subcontractor | $187,888 |
| Jan 23, 2025 | Cooling Tower ReplacementPaving & streets | County of Santa Clara, Minor Public Works, Procurement Department | Prime | $186,582 |
| Jan 15, 2025 | LATTC - F5 and E5 - Replace Cooling ToweHVAC & mechanical | Los Angeles Community College District | Subcontractor | $420,421 |
| Dec 16, 2024 | Central Utility Plant ImprovementOther | Mt. San Antonio Community College District | Subcontractor | $6,474,353 |
| Dec 3, 2024 | Cooling Tower Leak RepairsHVAC & mechanical | Cerritos Community College | Subcontractor | $38,292 |
| Oct 22, 2024 | Watt Avenue Safe Stay CommunityOther | County of Sacramento | Subcontractor | $28,920,000 |
| Oct 16, 2024 | Clearwater Cooling Tower MaintenanceHVAC & mechanical | City of Riverside - Public Utilities | Subcontractor | $514,900 |
| Oct 2, 2024 | Promise HousingPaving & streets | University of California Merced | Subcontractor | $86,039,167 |
| Sep 16, 2024 | Pomona Library Facility Improvements ProRoofing | City of Pomona | Subcontractor | $5,560,031 |
| Sep 6, 2024 | GODDARD COOLING TOWERHVAC & mechanical | Glendora Unified School District | Subcontractor | $47,002 |
| Sep 4, 2024 | DP9517HVAC & mechanical | County of Santa Barbara General Services, Procurement Services | Subcontractor | $47,682 |
| Sep 4, 2024 | UCB Bakar Labs/MOD RepairsHVAC & mechanical | University of California Berkeley -SCM | Prime | $22,216 |
| Aug 9, 2024 | AIR TREATMENT CORPORATION REQ00747115Parks, landscape & fields | UC San Diego | Subcontractor | $413,790 |
Most recent 25 of 45. 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
- University of California Berkeley -SCM · 3 projects
- UC San Diego · 3 projects
- County of Santa Clara, Minor Public Works, Procurement Department · 2 projects
- University of California, Los Angeles · 2 projects
- Department of General Services · 1 project
- Asian Art Museum of San Francisco · 1 project
- Patterson Joint Unified School District · 1 project
- Port of Los Angeles - Construction Division · 1 project
- San Diego State University · 1 project
- San Francisco State University 3 · 1 project
Is this your business?
Claim it on Atriam to add your work photos, service area and a booking link, and to run calls, leads, estimates and invoices in one place — free.
Claim this business