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 5,281–5,340 of 8,936 contractors

1. Maintech Service

   Pacifica, CA · CSLB #652085 · as of October 8, 2026
   Active · clear
2. Majestic Heating And Air Conditioning

   San Jose, CA · CSLB #1130634 · as of October 8, 2026
   Active · clear
3. Majestic Mechanical Corporation

   Modesto, CA · CSLB #1161277 · as of October 8, 2026
   Active · clear
4. Major Air Solutions

   San Jacinto, CA · CSLB #1087280 · as of October 8, 2026
   Active · clear
5. Major League Comfort Systems

   Oceanside, CA · CSLB #984731 · as of October 8, 2026
   Active · clear
6. Make It Happen Air Conditioning CO

   La Puente, CA · CSLB #1081433 · as of October 8, 2026
   Active · clear
7. Make It Work Ac Service INC

   Valencia, CA · CSLB #1124761 · as of October 8, 2026
   Active · clear
8. Maksim Klimanov

   Mountain View, CA · CSLB #1157879 · as of October 8, 2026
   Active · clear
9. Maksym Vylobkov

   Roseville, CA · CSLB #1158521 · as of October 8, 2026
   Active · clear
10. Maldonado Heating And Air Conditioning

    Hawaiian Gardens, CA · CSLB #1126687 · as of October 8, 2026
    Active · clear
11. Avo Maleky

    Sylmar, CA · CSLB #1027542 · as of October 8, 2026
    Active · clear
12. Lizhong Ma

    Brea, CA · CSLB #1067488 · as of October 8, 2026
    Active · clear
13. Timothy Elias Malki

    Upland, CA · CSLB #832293 · as of October 8, 2026
    Active · clear
14. Mallard Mechanical Heating & Air Conditioning

    Morgan Hill, CA · CSLB #1101784 · as of October 8, 2026
    Active · clear
15. Malmac

    Escondido, CA · CSLB #781230 · as of October 8, 2026
    Active · clear
16. Mal Mahon

    Placentia, CA · CSLB #1064542 · as of October 8, 2026
    Active · clear
17. Malsan Plumbing

    Los Angeles, CA · CSLB #1031903 · as of October 8, 2026
    Active · clear
18. Maltsberger Mechanical

    Vacaville, CA · CSLB #1074341 · as of October 8, 2026
    Active · clear
19. M&a Mechanical Service LLC

    Livermore, CA · CSLB #1141566 · as of October 8, 2026
    Active · clear
20. Mammoth Air Company

    Los Angeles, CA · CSLB #1099812 · as of October 8, 2026
    Active · clear
21. Mancuso Air Services

    Stockton, CA · CSLB #985335 · as of October 8, 2026
    Active · clear
22. Charlie Mandujano Flores

    Huntington Beach, CA · CSLB #1083592 · as of October 8, 2026
    Active · clear
23. Mannino Heating & Cooling

    Oceanside, CA · CSLB #849183 · as of October 8, 2026
    Active · clear
24. Mann's Heating And Air Con

    Plymouth, CA · CSLB #885785 · as of October 8, 2026
    Active · clear
25. Manny's Heating & Air Conditioning

    Huntington Park, CA · CSLB #1003916 · as of October 8, 2026
    Active · clear
26. Manny's Heating And Air INC

    Tracy, CA · CSLB #968946 · as of October 8, 2026
    Active · clear
27. Manny Vargas Air Conditioning & Heating INC

    Indio, CA · CSLB #859195 · as of October 8, 2026
    Active · clear
28. Man's Air Conditioning & Heating

    Anaheim, CA · CSLB #695937 · as of October 8, 2026
    Active · clear
29. Mansheim H V A C

    San Diego, CA · CSLB #1051053 · as of October 8, 2026
    Active · clear
30. Manzo Heating And Air

    Fontana, CA · CSLB #859825 · as of October 8, 2026
    Active · clear
31. Faisal Manzoor

    Moreno Valley, CA · CSLB #948477 · as of October 8, 2026
    Active · clear
32. Michael Ross Mapes

    Lakewood, CA · CSLB #1000142 · as of October 8, 2026
    Active · clear
33. Marasigan Heating And Air

    Fairfield, CA · CSLB #1074318 · as of October 8, 2026
    Active · clear
34. Marat Gareev

    Gilroy, CA · CSLB #1141223 · as of October 8, 2026
    Active · clear
35. Marat Rakhimov

    Newport Beach, CA · CSLB #1161111 · as of October 8, 2026
    Active · clear
36. M A R C 2 HVAC

    El Cajon, CA · CSLB #1013893 · as of October 8, 2026
    Active · clear
37. Marc Ac Specialized Corp

    Thermal, CA · CSLB #1137212 · as of October 8, 2026
    Active · clear
38. Marcos Air Conditioning

    Ontario, CA · CSLB #950285 · as of October 8, 2026
    Active · clear
39. Marco's Heating And Air

    Duarte, CA · CSLB #727611 · as of October 8, 2026
    Active · clear
40. Marcucci Heating And Air Conditioning INC

    Redwood City, CA · CSLB #856600 · as of October 8, 2026
    Active · clear
41. Marcus Air Conditioning

    Plumas Lake, CA · CSLB #1130983 · as of October 8, 2026
    Active · clear
42. Marc Wilmers Heating & Air Conditioning

    Valencia, CA · CSLB #703861 · as of October 8, 2026
    Active · clear
43. Marelich Mechanical

    Redwood City, CA · CSLB #1161742 · as of October 8, 2026
    Active · clear
44. Mares Heating & Air Conditioning

    El Monte, CA · CSLB #1160895 · as of October 8, 2026
    Active · clear
45. Marina Heating Ventilation Air Conditioning

    Irvine, CA · CSLB #943386 · as of October 8, 2026
    Active · clear
46. Marin Air LLC

    Riverside, CA · CSLB #1143178 · as of October 8, 2026
    Active · clear
47. Marin Heating And Air

    Fairfax, CA · CSLB #1074408 · as of October 8, 2026
    Active · clear
48. Marin Sheet Metal

    Novato, CA · CSLB #472792 · as of October 8, 2026
    Active · clear
49. Mariohvac LLC

    Fontana, CA · CSLB #1118363 · as of October 8, 2026
    Active · clear
50. Marion Heating & Air Conditioning INC

    Woodland Hills, CA · CSLB #775254 · as of October 8, 2026
    Active · clear
51. Mario's Air Conditioning

    Los Angeles, CA · CSLB #919126 · as of October 8, 2026
    Active · clear
52. Mario's Air Conditioning INC

    La Quinta, CA · CSLB #881884 · as of October 8, 2026
    Active · clear
53. Mario's Comfort Heating & Cooling INC

    Fresno, CA · CSLB #1105761 · as of October 8, 2026
    Active · clear
54. Mariposa Mechanical Service

    Mariposa, CA · CSLB #842033 · as of October 8, 2026
    Active · clear
55. Markair HVAC

    Chino, CA · CSLB #1119129 · as of October 8, 2026
    Active · clear
56. Market Mechanical Hvacr

    Burlingame, CA · CSLB #1059312 · as of October 8, 2026
    Active · clear
57. Mark Fonte Heating & Air

    Cypress, CA · CSLB #988938 · as of October 8, 2026
    Active · clear
58. Markos Heating And Air Conditioning

    Lancaster, CA · CSLB #1141802 · as of October 8, 2026
    Active · clear
59. Mark's A / C Services

    Alta Loma, CA · CSLB #828077 · as of October 8, 2026
    Active · clear
60. Mark's Air Conditioning

    Riverside, CA · CSLB #507338 · 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.