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

The California Contractors State License Board (CSLB) lists 19 Heating & Air Conditioning (C-20) contractors in Petaluma, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

19 contractors

1. Adams Refrigeration Service INC A California Corporation

   Petaluma, CA · CSLB #279103 · as of June 27, 2026
   Active · clear
2. BKB Heating Air Conditioning & Sheet Metal

   Petaluma, CA · CSLB #610945 · as of June 27, 2026
   Active · clear
3. Castle Heating & Air

   Petaluma, CA · CSLB #1079375 · as of June 27, 2026
   Active · clear
4. Core Heating & Air Conditioning

   Petaluma, CA · CSLB #1038373 · as of June 27, 2026
   Active · clear
5. E M L HVAC INC

   Petaluma, CA · CSLB #993226 · as of June 27, 2026
   Active · clear
6. Galvaknight Sheet Metal Solutions INC

   Petaluma, CA · CSLB #761646 · as of June 27, 2026
   Active · clear
7. Gibbs Heating & Air Conditioning

   Petaluma, CA · CSLB #855710 · as of June 27, 2026
   Active · clear
8. Green Core Heating & Air INC

   Petaluma, CA · CSLB #1131183 · as of June 27, 2026
   Active · clear
9. Grupe HVAC

   Petaluma, CA · CSLB #1076376 · as of June 27, 2026
   Active · clear
10. JM HVAC

    Petaluma, CA · CSLB #1001595 · as of June 27, 2026
    Active · clear
11. Ledesma Heating & Air

    Petaluma, CA · CSLB #901153 · as of June 27, 2026
    Active · clear
12. Mcisaac Heating

    Petaluma, CA · CSLB #1071345 · as of June 27, 2026
    Active · clear
13. Milano Mechanical INC

    Petaluma, CA · CSLB #797754 · as of June 27, 2026
    Active · clear
14. M T B

    Petaluma, CA · CSLB #762453 · as of June 27, 2026
    Active · clear
15. Paramount Plmg & HTG

    Petaluma, CA · CSLB #390434 · as of June 27, 2026
    Active · clear
16. Stat Heating & Air Corporation

    Petaluma, CA · CSLB #1123282 · as of June 27, 2026
    Active · clear
17. Sunshine Heating And Air

    Petaluma, CA · CSLB #1154409 · as of June 27, 2026
    Active · clear
18. Tri-county Heating And Sheet Metal INC

    Petaluma, CA · CSLB #212733 · as of June 27, 2026
    Active · clear
19. Steve P Herrin

    Petaluma, CA · CSLB #668660 · as of June 27, 2026
    Suspended · workers' comp

See all Heating & Air Conditioning (C-20) contractors in California →

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.