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 5,401–5,460 of 8,936 contractors

1. Maximum Air

   Fresno, CA · CSLB #824199 · as of October 8, 2026
   Active · clear
2. Maximum Comfort Heating And Air

   Alpine, CA · CSLB #1037227 · as of October 8, 2026
   Active · clear
3. Maxon Mechanical INC

   Loomis, CA · CSLB #1035084 · as of October 8, 2026
   Active · clear
4. Maxseal LLC

   Gilroy, CA · CSLB #1128398 · as of October 8, 2026
   Active · clear
5. Maxx Air Heating & Plumbing

   Orange, CA · CSLB #795756 · as of October 8, 2026
   Active · clear
6. Maxx Grip Plumbing & Sewer Service INC

   Oxnard, CA · CSLB #1113053 · as of October 8, 2026
   Active · clear
7. Maya Heating & Cooling

   San Rafael, CA · CSLB #1145202 · as of October 8, 2026
   Active · clear
8. Mayen HVAC Services

   San Mateo, CA · CSLB #978201 · as of October 8, 2026
   Active · clear
9. Mayer Air Conditioning And Heating Services

   Huntington Beach, CA · CSLB #743942 · as of October 8, 2026
   Active · clear
10. Mayer Mechanical

    Vista, CA · CSLB #650823 · as of October 8, 2026
    Active · clear
11. Mayo Mechanical INC

    Dana Point, CA · CSLB #472592 · as of October 8, 2026
    Active · clear
12. Mayoral Heating & Air Conditioning

    San Bernardino, CA · CSLB #963543 · as of October 8, 2026
    Active · clear
13. M B Heating & Air

    Simi Valley, CA · CSLB #1039253 · as of October 8, 2026
    Active · clear
14. M B Plumbing Air Conditioning & Heating INC

    Riverside, CA · CSLB #713817 · as of October 8, 2026
    Active · clear
15. M & Brothers HVAC INC

    Sacramento, CA · CSLB #1162379 · as of October 8, 2026
    Active · clear
16. MBZ HVAC

    Sylmar, CA · CSLB #1109109 · as of October 8, 2026
    Active · clear
17. MC Air

    Indio, CA · CSLB #913427 · as of October 8, 2026
    Active · clear
18. M C A Mechanical

    Minden, CA · CSLB #829325 · as of October 8, 2026
    Active · clear
19. MC Closkey Heating Air Cond & Refrigeration

    Paso Robles, CA · CSLB #389370 · as of October 8, 2026
    Active · clear
20. Mcclure Mechanical Systems INC

    El Cajon, CA · CSLB #995204 · as of October 8, 2026
    Active · clear
21. Mccourt & Sons INC

    Temecula, CA · CSLB #1054861 · as of October 8, 2026
    Active · clear
22. Mccue Mechanical

    Morongo Valley, CA · CSLB #1062793 · as of October 8, 2026
    Active · clear
23. TY A MC Dougall

    Lake Forest, CA · CSLB #929299 · as of October 8, 2026
    Active · clear
24. Mcgee Refrigeration INC

    Visalia, CA · CSLB #613002 · as of October 8, 2026
    Active · clear
25. MC George Heating & Air Conditioning

    Santa Clarita, CA · CSLB #861744 · as of October 8, 2026
    Active · clear
26. Mcgrady & Sons Heating And Cooling INC

    Mariposa, CA · CSLB #1079657 · as of October 8, 2026
    Active · clear
27. MC Heating & Air Conditioning INC

    Ceres, CA · CSLB #1140257 · as of October 8, 2026
    Active · clear
28. Mcintyre Heating And Air

    Weed, CA · CSLB #1152439 · as of October 8, 2026
    Active · clear
29. Mcisaac Heating

    Petaluma, CA · CSLB #1071345 · as of October 8, 2026
    Active · clear
30. Mckay Air

    Winnetka, CA · CSLB #796840 · as of October 8, 2026
    Active · clear
31. MC Leod's Air Conditioning & Heating

    Indio, CA · CSLB #656811 · as of October 8, 2026
    Active · clear
32. M C L Heating & Air Conditioning INC

    San Francisco, CA · CSLB #989383 · as of October 8, 2026
    Active · clear
33. Mcmaster Heating & Air Conditioning INC

    Irvine, CA · CSLB #726607 · as of October 8, 2026
    Active · clear
34. Mcmaster Mechanical

    Diamond Bar, CA · CSLB #879152 · as of October 8, 2026
    Active · clear
35. MC Mechanicals

    Daly City, CA · CSLB #929991 · as of October 8, 2026
    Active · clear
36. Mcmillan Water Treatment INC

    Fontana, CA · CSLB #844792 · as of October 8, 2026
    Active · clear
37. MCM Mechanical

    Sonoma, CA · CSLB #1106825 · as of October 8, 2026
    Active · clear
38. Mark MC Nally Heating And Air

    Torrance, CA · CSLB #898428 · as of October 8, 2026
    Active · clear
39. Mcrae Heating & Air

    Temecula, CA · CSLB #1108858 · as of October 8, 2026
    Active · clear
40. M C R Services INC

    Bishop, CA · CSLB #914968 · as of October 8, 2026
    Active · clear
41. MCX Air Systems

    Signal Hill, CA · CSLB #1147992 · as of October 8, 2026
    Active · open complaint
42. MDB Same Day HVAC INC

    Antioch, CA · CSLB #1057681 · as of October 8, 2026
    Active · clear
43. M D Heating & Air

    Rocklin, CA · CSLB #921800 · as of October 8, 2026
    Active · clear
44. MDP Heating & Cooling INC

    San Jose, CA · CSLB #1103720 · as of October 8, 2026
    Active · clear
45. M D Smith Heating & Air Conditioning INC

    Modesto, CA · CSLB #954959 · as of October 8, 2026
    Active · clear
46. Meadows Mechanical

    Gardena, CA · CSLB #383620 · as of October 8, 2026
    Active · clear
47. Mears Heating And Air

    Acampo, CA · CSLB #1089672 · as of October 8, 2026
    Active · clear
48. Mechanical Air Climate Control INC

    Hesperia, CA · CSLB #1054287 · as of October 8, 2026
    Active · clear
49. Mechanical Air Control INC

    Riverside, CA · CSLB #808525 · as of October 8, 2026
    Active · clear
50. Mechanical Air LLC

    Fresno, CA · CSLB #969564 · as of October 8, 2026
    Active · clear
51. Mechanical Alliance INC

    Whittier, CA · CSLB #884370 · as of October 8, 2026
    Active · clear
52. Mechanical Control

    Ontario, CA · CSLB #1019123 · as of October 8, 2026
    Active · clear
53. Mechanical HVAC Solutions

    Oceanside, CA · CSLB #1034572 · as of October 8, 2026
    Active · clear
54. Mechanical Innovations INC

    Cerritos, CA · CSLB #984952 · as of October 8, 2026
    Active · clear
55. Mechanical Mciver

    Riverside, CA · CSLB #1143965 · as of October 8, 2026
    Active · clear
56. Mechanical Pros Heating And Air Conditioning INC

    Temecula, CA · CSLB #812400 · as of October 8, 2026
    Active · clear
57. Mechanical Solutions Company INC

    Stockton, CA · CSLB #1124778 · as of October 8, 2026
    Active · clear
58. Mechanical Specialties Solutions LLC

    Paramount, CA · CSLB #1068795 · as of October 8, 2026
    Active · clear
59. Mechanical System Contractors INC

    San Diego, CA · CSLB #878844 · as of October 8, 2026
    Active · clear
60. Mechanical Technologies INC

    La Habra, CA · CSLB #852317 · 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.