Licensed Heating & Air Conditioning (C-20) contractors in California

The California Contractors State License Board (CSLB) lists 8,936 California contractors classified C-20 (Heating & Air Conditioning (C-20)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of October 8, 2026.

Showing 4,621–4,680 of 8,936 contractors

1. J D B Mechanical Systems

   Lakewood, CA · CSLB #1022189 · as of October 8, 2026
   Active · clear
2. J D Comfort Aircond And Heating

   South Gate, CA · CSLB #852394 · as of October 8, 2026
   Active · clear
3. J D Heating & Air Conditioning

   South Gate, CA · CSLB #1146617 · as of October 8, 2026
   Active · clear
4. JD Heating And Air Conditioning

   Hemet, CA · CSLB #1133916 · as of October 8, 2026
   Active · clear
5. JDH Heating And Air

   Shingle Springs, CA · CSLB #1088463 · as of October 8, 2026
   Active · clear
6. JD Mechanical Heating And Air

   Rescue, CA · CSLB #1094158 · as of October 8, 2026
   Active · clear
7. J D Mechanical Heating And Air INC

   Jamul, CA · CSLB #882046 · as of October 8, 2026
   Active · clear
8. JD Premier Heating & Air Conditioning INC

   Lynwood, CA · CSLB #1151860 · as of October 8, 2026
   Active · clear
9. JDQ Heating And Air Conditioning

   Whittier, CA · CSLB #925796 · as of October 8, 2026
   Active · clear
10. JDS Air INC

    Jurupa Valley, CA · CSLB #1024276 · as of October 8, 2026
    Active · clear
11. JDS Heating And Air

    Los Angeles, CA · CSLB #1086108 · as of October 8, 2026
    Active · clear
12. Jec Mechanical

    Winchester, CA · CSLB #1148911 · as of October 8, 2026
    Active · clear
13. J & E HVAC Service INC

    Canoga Park, CA · CSLB #1078033 · as of October 8, 2026
    Active · clear
14. J E Moore Air Conditioning INC

    Pleasanton, CA · CSLB #283973 · as of October 8, 2026
    Active · clear
15. Timothy Jenkins HVAC

    Sacramento, CA · CSLB #1101849 · as of October 8, 2026
    Active · clear
16. H C Jensen Plumbing INC

    Danville, CA · CSLB #265318 · as of October 8, 2026
    Active · clear
17. Jensen Mechanical INC

    Oakley, CA · CSLB #929842 · as of October 8, 2026
    Active · clear
18. Jerry's Commercial Refrigeration INC

    Lake Isabella, CA · CSLB #464893 · as of October 8, 2026
    Active · clear
19. Jerry's Heating And Air Conditioning INC

    La Mesa, CA · CSLB #476448 · as of October 8, 2026
    Active · clear
20. Jerry's Plumbing & Heating

    Santa Maria, CA · CSLB #686893 · as of October 8, 2026
    Active · clear
21. Jerry's Plumbing & Heating

    San Bernardino, CA · CSLB #310627 · as of October 8, 2026
    Active · clear
22. J E S Plumbing

    Santa Maria, CA · CSLB #855992 · as of October 8, 2026
    Active · clear
23. Jessee Heating & Air Conditioning

    Chico, CA · CSLB #405424 · as of October 8, 2026
    Active · clear
24. Jesse Jacquez

    Modesto, CA · CSLB #1146171 · as of October 8, 2026
    Active · clear
25. Jesse's Air Systems A / C & Heating

    Ontario, CA · CSLB #864645 · as of October 8, 2026
    Active · clear
26. Jesse's Heating & Air Service

    Mission Hills, CA · CSLB #896352 · as of October 8, 2026
    Active · clear
27. Jet Air Conditioning & Heating INC

    Las Vegas, CA · CSLB #1058969 · as of October 8, 2026
    Active · clear
28. Jet Air Solutions LLC

    Glendora, CA · CSLB #1155647 · as of October 8, 2026
    Active · clear
29. Jet - HVAC

    Antioch, CA · CSLB #809173 · as of October 8, 2026
    Active · clear
30. Jet H V A C

    El Segundo, CA · CSLB #929519 · as of October 8, 2026
    Active · clear
31. Jetson Home Corporation

    Burbank, CA · CSLB #1155812 · as of October 8, 2026
    Active · clear
32. All Access Air LLC DBA J F Heating And Air Conditioning

    Murrieta, CA · CSLB #1025266 · as of October 8, 2026
    Active · clear
33. J F HVAC

    Vacaville, CA · CSLB #1135380 · as of October 8, 2026
    Active · clear
34. JG Heating And Air Conditioning

    San Jose, CA · CSLB #1076164 · as of October 8, 2026
    Active · clear
35. JGL Mechanical INC

    Rancho Cucamonga, CA · CSLB #1090635 · as of October 8, 2026
    Active · clear
36. J G Mechanical

    Desert Hot Springs, CA · CSLB #1042549 · as of October 8, 2026
    Active · clear
37. Erick Wilfredo Granados DBA J G Refrigeration Air Conditioning

    Los Angeles, CA · CSLB #1057501 · as of October 8, 2026
    Active · clear
38. JH Air Conditioning

    San Diego, CA · CSLB #1146725 · as of October 8, 2026
    Active · clear
39. J H Air Conditioning INC

    Burbank, CA · CSLB #656863 · as of October 8, 2026
    Active · clear
40. JH Heating & Cooling INC

    San Jose, CA · CSLB #1063321 · as of October 8, 2026
    Active · clear
41. J & H Mechanical Heating And Air

    Roseville, CA · CSLB #904242 · as of October 8, 2026
    Active · clear
42. J & H Mechanical INC

    Jurupa Valley, CA · CSLB #1000882 · as of October 8, 2026
    Active · clear
43. J H Mechanical Services

    Auburn, CA · CSLB #1008710 · as of October 8, 2026
    Active · clear
44. Jilbert Air Conditioning & Heating INC

    Burbank, CA · CSLB #708791 · as of October 8, 2026
    Active · clear
45. Jim's Air Conditioning & Heating

    Escondido, CA · CSLB #292268 · as of October 8, 2026
    Active · clear
46. Jincheng Air Conditioning INC

    Rosemead, CA · CSLB #1140011 · as of October 8, 2026
    Active · clear
47. Jingqiang Ding

    Cupertino, CA · CSLB #1141108 · as of October 8, 2026
    Active · clear
48. Jireh Ac And Heating Services

    Corona, CA · CSLB #1063315 · as of October 8, 2026
    Active · clear
49. Xiang Ji

    Rowland Heights, CA · CSLB #1105597 · as of October 8, 2026
    Active · clear
50. J & J Air Conditioning INC

    San Jose, CA · CSLB #394587 · as of October 8, 2026
    Active · clear
51. J J Air Heating Services

    Pomona, CA · CSLB #900747 · as of October 8, 2026
    Active · clear
52. JJ Air INC

    Riverside, CA · CSLB #1033575 · as of October 8, 2026
    Active · clear
53. JJ Heating & Air

    Tahoma, CA · CSLB #1156759 · as of October 8, 2026
    Active · clear
54. JJ Heating And Air INC

    Riverside, CA · CSLB #1053048 · as of October 8, 2026
    Active · clear
55. J & J H V A C

    Palmdale, CA · CSLB #936645 · as of October 8, 2026
    Active · clear
56. JJ & J Air Conditioning Corp

    Chino, CA · CSLB #1064651 · as of October 8, 2026
    Active · clear
57. JJ Plumbing Heat And Air

    Oceanside, CA · CSLB #1031151 · as of October 8, 2026
    Active · clear
58. J & J'S Heating And Air Conditioning

    Santa Barbara, CA · CSLB #1086420 · as of October 8, 2026
    Active · clear
59. Jking HVAC INC

    San Jose, CA · CSLB #1142654 · as of October 8, 2026
    Active · clear
60. Jla Heating And Air Conditioning LLC

    San Jose, CA · CSLB #1082013 · as of October 8, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.