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

The California Contractors State License Board (CSLB) lists 31 Heating & Air Conditioning (C-20) contractors in Oceanside, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

31 contractors

1. Aaa Quality Heating And Cooling INC

   Oceanside, CA · CSLB #1111629 · as of June 27, 2026
   Active · clear
2. Airtime Plumbing Heating And Air

   Oceanside, CA · CSLB #1082832 · as of June 27, 2026
   Active · clear
3. All Climate Heating & Air INC

   Oceanside, CA · CSLB #988693 · as of June 27, 2026
   Active · clear
4. All Day Heating And Air Conditioning LLC

   Oceanside, CA · CSLB #1048737 · as of June 27, 2026
   Active · clear
5. Ambient Heating And Air Conditioning

   Oceanside, CA · CSLB #1073232 · as of June 27, 2026
   Active · clear
6. American Plumbing Heating & Air Conditioning

   Oceanside, CA · CSLB #869690 · as of June 27, 2026
   Active · clear
7. Artisan Sheet Metal CO Of Oceanside INC

   Oceanside, CA · CSLB #960556 · as of June 27, 2026
   Active · clear
8. Baker Air Conditioning

   Oceanside, CA · CSLB #601408 · as of June 27, 2026
   Active · clear
9. California Mechanical Systems INC

   Oceanside, CA · CSLB #1116731 · as of June 27, 2026
   Active · clear
10. Comfort Maverick Heating And Air-conditioning

    Oceanside, CA · CSLB #1145040 · as of June 27, 2026
    Active · clear
11. Dewildt Environmental INC

    Oceanside, CA · CSLB #749748 · as of June 27, 2026
    Active · clear
12. Earth Air Systems

    Oceanside, CA · CSLB #1103686 · as of June 27, 2026
    Active · clear
13. E R S Mechanical

    Oceanside, CA · CSLB #1075229 · as of June 27, 2026
    Active · clear
14. Graul Mechanical INC

    Oceanside, CA · CSLB #1138793 · as of June 27, 2026
    Active · clear
15. H & A Heating And Air INC

    Oceanside, CA · CSLB #908034 · as of June 27, 2026
    Active · clear
16. H V A C Mechanalysis INC

    Oceanside, CA · CSLB #812735 · as of June 27, 2026
    Active · clear
17. Its Fixd Plumbing Heating & Air Services

    Oceanside, CA · CSLB #870474 · as of June 27, 2026
    Active · clear
18. JJ Plumbing Heat And Air

    Oceanside, CA · CSLB #1031151 · as of June 27, 2026
    Active · clear
19. Major League Comfort Systems

    Oceanside, CA · CSLB #984731 · as of June 27, 2026
    Active · clear
20. Mannino Heating & Cooling

    Oceanside, CA · CSLB #849183 · as of June 27, 2026
    Active · clear
21. Mechanical HVAC Solutions

    Oceanside, CA · CSLB #1034572 · as of June 27, 2026
    Active · clear
22. Nowakowski INC

    Oceanside, CA · CSLB #1118230 · as of June 27, 2026
    Active · clear
23. Oceanside Mechanical

    Oceanside, CA · CSLB #753165 · as of June 27, 2026
    Active · clear
24. San Diego's Green HVAC Company

    Oceanside, CA · CSLB #1091315 · as of June 27, 2026
    Active · clear
25. Shideler Plumbing

    Oceanside, CA · CSLB #1003737 · as of June 27, 2026
    Active · clear
26. Sterling Mechanical

    Oceanside, CA · CSLB #1003161 · as of June 27, 2026
    Active · clear
27. That's Nice Heating & Air Conditioning

    Oceanside, CA · CSLB #953390 · as of June 27, 2026
    Active · clear
28. Thompson Plumbing Heating And Air Conditioning

    Oceanside, CA · CSLB #974400 · as of June 27, 2026
    Active · clear
29. WR Robbins Company

    Oceanside, CA · CSLB #890971 · as of June 27, 2026
    Active · clear
30. Ezfix

    Oceanside, CA · CSLB #1128980 · as of June 27, 2026
    Suspended · workers' comp
31. Pacific Coast Heating & Air Conditioning INC

    Oceanside, CA · CSLB #737889 · 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.