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

The California Contractors State License Board (CSLB) lists 17 Heating & Air Conditioning (C-20) contractors in Oakley, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

17 contractors

1. Bill's Heating & Cooling

   Oakley, CA · CSLB #1147604 · as of October 7, 2026
   Active · clear
2. California Comfort Air INC

   Oakley, CA · CSLB #936795 · as of October 7, 2026
   Active · clear
3. Delta Breeze Heating & Air

   Oakley, CA · CSLB #857921 · as of October 7, 2026
   Active · clear
4. Delta T HVAC

   Oakley, CA · CSLB #1057378 · as of October 7, 2026
   Active · clear
5. Enervation Heating & Air Conditioning INC

   Oakley, CA · CSLB #1139308 · as of October 7, 2026
   Active · clear
6. Fairview Heating & Air Conditioning

   Oakley, CA · CSLB #533790 · as of October 7, 2026
   Active · clear
7. Fertado Heating & Air

   Oakley, CA · CSLB #792474 · as of October 7, 2026
   Active · clear
8. Garcia Andrew Refrigeration

   Oakley, CA · CSLB #1096474 · as of October 7, 2026
   Active · clear
9. J And R Heating And A/c INC.

   Oakley, CA · CSLB #853536 · as of October 7, 2026
   Active · clear
10. Jensen Mechanical INC

    Oakley, CA · CSLB #929842 · as of October 7, 2026
    Active · clear
11. Mendez Air Heating & Air Conditioning

    Oakley, CA · CSLB #778884 · as of October 7, 2026
    Active · clear
12. Oakley Heating And Air LLC

    Oakley, CA · CSLB #1125470 · as of October 7, 2026
    Active · clear
13. S A Heating & Air Conditioning

    Oakley, CA · CSLB #885683 · as of October 7, 2026
    Active · clear
14. Stevenson Mechanical INC

    Oakley, CA · CSLB #783316 · as of October 7, 2026
    Active · clear
15. Sup Air Man Cooling And Heating

    Oakley, CA · CSLB #760021 · as of October 7, 2026
    Active · clear
16. Unified Mechanical

    Oakley, CA · CSLB #1158798 · as of October 7, 2026
    Active · clear
17. Hac Control

    Oakley, CA · CSLB #1140726 · as of October 7, 2026
    Suspended · workers' comp

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Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.