DIVERSIFIED THERMAL SERVICES LLC

California contractor license #609967 · Anaheim, Orange County

License

License number
609967
Status
Clear
Classifications
  • B General Building Contractor
  • C-10 Electrical Contractor
  • C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
  • C-38 Refrigeration Contractor
Business type
Limited Liability
Issued
Jan 19, 1991
Expires
Feb 28, 2027
Workers' compensation
Workers' Compensation Insurance — Xl Insurance America Inc
Contractor's bond
$25,000 — Harco National Insurance Company
DIR public works registration
Registered through Jun 30, 2027

From the California Contractors State License Board (CSLB) public license file, last updated Jun 2, 2026. Verify license #609967 on CSLB's License Check.

California public works

DIVERSIFIED THERMAL SERVICES LLC appears on 168 public works projects registered with the California Department of Industrial Relations, 125 of them as the prime contractor, for 51 awarding bodies between 2019 and 2026. Projects it led total $17,896,836 in reported contract value.

Most recent public works projects
DateProjectAwarding bodyRoleContract amount
Oct 8, 2026Structuring Repair & Welding for DF FireOtherCovina-Valley Unified School DistrictPrime$9,931
Oct 7, 2026Marina West Chiller ReplacementHVAC & mechanicalOxnard School DistrictPrime$225,250
Sep 30, 2026DEL OBISPO (ECC)OtherCapistrano Unified School DistrictPrime$15,845
Sep 16, 2026McKinley ES = Replace CompressorOtherSan Gabriel Unified School DistrictPrime$9,150
Sep 14, 2026LOWELL ELEMENTARYOtherSanta Ana Unified School DistrictPrime$22,277
Sep 1, 2026FM - RPO FY 26/27 and FY 27/28OtherUniversity of California - IrvinePrime$116,548
Aug 24, 2026Jefferson MS - Replace BlowerOtherSan Gabriel Unified School DistrictPrime$2,240
Aug 24, 2026Roosevelt ES - Various RepairsOtherSan Gabriel Unified School DistrictPrime$1,720
Aug 20, 2026Hvac & Building tech supportHVAC & mechanicalCity of Inglewood - Public WorksPrime$92,300
Aug 14, 2026MCKINLEY ES - REPL COMPRESSOROtherSan Gabriel Unified School DistrictPrime$7,795
Jul 20, 2026OXR Tower (HP2 System Replacement)HVAC & mechanicalCounty of Ventura, Department of AirportsPrime$15,443
Jul 20, 2026OXR Tower (HP1 System Replacement)HVAC & mechanicalCounty of Ventura, Department of AirportsPrime$15,443
Jul 1, 2026FM - RPO 26/27 - York ChillersHVAC & mechanicalUniversity of California - IrvinePrime$75,000
Jul 1, 2026ON-CALL AC AND CHILLER SERVICESHVAC & mechanicalCity of Corona - 01Prime$100,000
Jul 1, 2026HVAC Duct Cleaning Services - DTSHVAC & mechanicalUCLA Campus PurchasingPrime$1,000,000
Jul 1, 2026DISTRICTWIDEHVAC & mechanicalCapistrano Unified School DistrictPrime$50,000
Jul 1, 2026P0117813 26-27 OPEN PO - MINOR HVAC REPAHVAC & mechanicalLake Elsinore Unified School DistrictPrime$35,000
Jun 26, 2026Annual Contract - HVAC Repairs & ReplaceHVAC & mechanicalCovina-Valley Unified School DistrictPrime$75,000
Jun 1, 2026DIVERSIFIEDTFY27MA01Buildings & facilitiesCounty of Ventura GSAPrime$85,000
May 26, 20263-TON MITSUBISHI MULTIZONE CONDENSINGHVAC & mechanicalCounty of Ventura GSAPrime$25,968
May 19, 2026GH/SGMH/LH Replace Isolation ValvesBuildings & facilitiesCalifornia State University, FullertonPrime$63,005
May 11, 2026GHS - Chiller No. 1 - Circuit No. 1HVAC & mechanicalSan Gabriel Unified School DistrictPrime$9,686
May 11, 2026GHS - Chiller No. 1HVAC & mechanicalSan Gabriel Unified School DistrictPrime$2,367
May 11, 2026GHS - Chiller No. 1 Circuit No. 2HVAC & mechanicalSan Gabriel Unified School DistrictPrime$11,989
May 7, 2026Century HSHVAC & mechanicalSanta Ana Unified School DistrictPrime$15,618

Most recent 25 of 168. 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

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