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 October 6, 2026.

19 contractors

1. Adams Refrigeration Service INC A California Corporation

   Petaluma, CA · CSLB #279103 · as of October 6, 2026
   Active · clear
2. BKB Heating Air Conditioning & Sheet Metal

   Petaluma, CA · CSLB #610945 · as of October 6, 2026
   Active · clear
3. Castle Heating & Air

   Petaluma, CA · CSLB #1079375 · as of October 6, 2026
   Active · clear
4. Core Heating & Air Conditioning

   Petaluma, CA · CSLB #1038373 · as of October 6, 2026
   Active · clear
5. E M L HVAC INC

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

   Petaluma, CA · CSLB #761646 · as of October 6, 2026
   Active · clear
7. Green Core Heating & Air INC

   Petaluma, CA · CSLB #1131183 · as of October 6, 2026
   Active · clear
8. Grupe HVAC

   Petaluma, CA · CSLB #1076376 · as of October 6, 2026
   Active · clear
9. JM HVAC

   Petaluma, CA · CSLB #1001595 · as of October 6, 2026
   Active · clear
10. Ledesma Heating & Air

    Petaluma, CA · CSLB #901153 · as of October 6, 2026
    Active · clear
11. Mcisaac Heating

    Petaluma, CA · CSLB #1071345 · as of October 6, 2026
    Active · clear
12. Milano Mechanical INC

    Petaluma, CA · CSLB #797754 · as of October 6, 2026
    Active · clear
13. M T B

    Petaluma, CA · CSLB #762453 · as of October 6, 2026
    Active · clear
14. Paramount Plmg & HTG

    Petaluma, CA · CSLB #390434 · as of October 6, 2026
    Active · clear
15. Stat Heating & Air Corporation

    Petaluma, CA · CSLB #1123282 · as of October 6, 2026
    Active · clear
16. Tri-county Heating And Sheet Metal INC

    Petaluma, CA · CSLB #212733 · as of October 6, 2026
    Active · clear
17. Sunshine Heating And Air

    Petaluma, CA · CSLB #1154409 · as of October 6, 2026
    Suspended · bond
18. Gibbs Heating & Air Conditioning

    Petaluma, CA · CSLB #855710 · as of October 6, 2026
    Suspended · workers' comp
19. Steve P Herrin

    Petaluma, CA · CSLB #668660 · as of October 6, 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 October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.