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

The California Contractors State License Board (CSLB) lists 32 Heating & Air Conditioning (C-20) contractors in Oceanside, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

32 contractors

1. Aaa Quality Heating And Cooling INC

   Oceanside, CA · CSLB #1111629 · as of October 6, 2026
   Active · clear
2. Ag Coastal Heating And Air LLC

   Oceanside, CA · CSLB #1160176 · as of October 6, 2026
   Active · clear
3. Air Time Heating & Air

   Oceanside, CA · CSLB #860177 · as of October 6, 2026
   Active · clear
4. Airtime Plumbing Heating And Air

   Oceanside, CA · CSLB #1082832 · as of October 6, 2026
   Active · clear
5. All Climate Heating & Air INC

   Oceanside, CA · CSLB #988693 · as of October 6, 2026
   Active · clear
6. All Day Heating And Air Conditioning LLC

   Oceanside, CA · CSLB #1048737 · as of October 6, 2026
   Active · clear
7. Ambient Heating And Air Conditioning

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

   Oceanside, CA · CSLB #869690 · as of October 6, 2026
   Active · clear
9. Artisan Sheet Metal CO Of Oceanside INC

   Oceanside, CA · CSLB #960556 · as of October 6, 2026
   Active · clear
10. Baker Air Conditioning

    Oceanside, CA · CSLB #601408 · as of October 6, 2026
    Active · clear
11. California Mechanical Systems INC

    Oceanside, CA · CSLB #1116731 · as of October 6, 2026
    Active · clear
12. Comfort Maverick Heating And Air-conditioning

    Oceanside, CA · CSLB #1145040 · as of October 6, 2026
    Active · clear
13. Dewildt Environmental INC

    Oceanside, CA · CSLB #749748 · as of October 6, 2026
    Active · clear
14. Earth Air Systems

    Oceanside, CA · CSLB #1103686 · as of October 6, 2026
    Active · clear
15. Graul Mechanical INC

    Oceanside, CA · CSLB #1138793 · as of October 6, 2026
    Active · clear
16. H & A Heating And Air INC

    Oceanside, CA · CSLB #908034 · as of October 6, 2026
    Active · clear
17. H V A C Mechanalysis INC

    Oceanside, CA · CSLB #812735 · as of October 6, 2026
    Active · clear
18. Its Fixd Plumbing Heating & Air Services

    Oceanside, CA · CSLB #870474 · as of October 6, 2026
    Active · clear
19. JJ Plumbing Heat And Air

    Oceanside, CA · CSLB #1031151 · as of October 6, 2026
    Active · clear
20. Major League Comfort Systems

    Oceanside, CA · CSLB #984731 · as of October 6, 2026
    Active · clear
21. Mannino Heating & Cooling

    Oceanside, CA · CSLB #849183 · as of October 6, 2026
    Active · clear
22. Mechanical HVAC Solutions

    Oceanside, CA · CSLB #1034572 · as of October 6, 2026
    Active · clear
23. Nowakowski INC

    Oceanside, CA · CSLB #1118230 · as of October 6, 2026
    Active · clear
24. Oceanside Mechanical

    Oceanside, CA · CSLB #753165 · as of October 6, 2026
    Active · clear
25. Pacific Coast Heating & Air Conditioning INC

    Oceanside, CA · CSLB #737889 · as of October 6, 2026
    Active · clear
26. San Diego's Green HVAC Company

    Oceanside, CA · CSLB #1091315 · as of October 6, 2026
    Active · clear
27. Shideler Plumbing

    Oceanside, CA · CSLB #1003737 · as of October 6, 2026
    Active · clear
28. Sterling Mechanical

    Oceanside, CA · CSLB #1003161 · as of October 6, 2026
    Active · clear
29. That's Nice Heating & Air Conditioning

    Oceanside, CA · CSLB #953390 · as of October 6, 2026
    Active · clear
30. Thompson Plumbing Heating And Air Conditioning

    Oceanside, CA · CSLB #974400 · as of October 6, 2026
    Active · clear
31. WR Robbins Company

    Oceanside, CA · CSLB #890971 · as of October 6, 2026
    Active · clear
32. Ezfix

    Oceanside, CA · CSLB #1128980 · 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.