Licensed Heating & Air Conditioning (C-20) contractors in Castaic, CA

The California Contractors State License Board (CSLB) lists 11 Heating & Air Conditioning (C-20) contractors in Castaic, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

11 contractors

1. Ala Air Conditioning

   Castaic, CA · CSLB #1108776 · as of June 27, 2026
   Active · clear
2. D H Mechanical

   Castaic, CA · CSLB #887902 · as of June 27, 2026
   Active · clear
3. Exclusive Ac And Refrigeration INC

   Castaic, CA · CSLB #895505 · as of June 27, 2026
   Active · clear
4. H Y S Mechanical System

   Castaic, CA · CSLB #784212 · as of June 27, 2026
   Active · clear
5. JR Heating And Cooling, INC.

   Castaic, CA · CSLB #1144872 · as of June 27, 2026
   Active · clear
6. Multi-air Services INC

   Castaic, CA · CSLB #1029529 · as of June 27, 2026
   Active · clear
7. Optimus HVAC & Plumbing INC

   Castaic, CA · CSLB #1055837 · as of June 27, 2026
   Active · clear
8. Pro Air Solutions HVAC INC

   Castaic, CA · CSLB #1055791 · as of June 27, 2026
   Active · clear
9. Real Air HVAC

   Castaic, CA · CSLB #1082388 · as of June 27, 2026
   Active · clear
10. R R Heating And Air Conditioning

    Castaic, CA · CSLB #923053 · as of June 27, 2026
    Active · clear
11. Thompson Total Temp Corp

    Castaic, CA · CSLB #1124649 · as of June 27, 2026
    Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.