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

The California Contractors State License Board (CSLB) lists 8,995 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 July 2, 2026.

Showing 5,521–5,580 of 8,995 contractors

1. Mejia Services Heating And Air Conditioning

   Hollister, CA · CSLB #1102107 · as of July 2, 2026
   Active · clear
2. Melendez Heating And Air

   Los Angeles, CA · CSLB #1075094 · as of July 2, 2026
   Active · clear
3. Melendez Mechanical

   Lake Elsinore, CA · CSLB #1085539 · as of July 2, 2026
   Active · clear
4. Melgar & Associates Mechanical INC

   Livermore, CA · CSLB #1140422 · as of July 2, 2026
   Active · clear
5. Melgar Mechanical INC

   Santa Clara, CA · CSLB #1073416 · as of July 2, 2026
   Active · clear
6. Alan Paul Melkonian

   Fresno, CA · CSLB #829517 · as of July 2, 2026
   Active · clear
7. Mel's Heating & Air INC

   Turlock, CA · CSLB #919419 · as of July 2, 2026
   Active · clear
8. Melton Sheet Metal

   Fresno, CA · CSLB #170713 · as of July 2, 2026
   Active · clear
9. Menasco Air Conditioning Service

   Moreno Valley, CA · CSLB #1094945 · as of July 2, 2026
   Active · clear
10. William L Mendes

    Woodland, CA · CSLB #796561 · as of July 2, 2026
    Active · clear
11. Mendez Air Conditioning & Heating

    Thousand Palms, CA · CSLB #791437 · as of July 2, 2026
    Active · clear
12. Mendez Air Heating & Air Conditioning

    Oakley, CA · CSLB #778884 · as of July 2, 2026
    Active · clear
13. Joseph Mendez

    Torrance, CA · CSLB #395144 · as of July 2, 2026
    Active · clear
14. Mendocino Coast Services

    Fort Bragg, CA · CSLB #900579 · as of July 2, 2026
    Active · clear
15. Esteban Mendoza

    Port Hueneme, CA · CSLB #1091330 · as of July 2, 2026
    Active · clear
16. Menifee Valley Air Conditioning INC

    Hemet, CA · CSLB #765865 · as of July 2, 2026
    Active · clear
17. Menini Heating & Air Conditioning INC

    Oak Run, CA · CSLB #777885 · as of July 2, 2026
    Active · clear
18. Mercader Heating Cooling & Ventilation

    Riverside, CA · CSLB #1096428 · as of July 2, 2026
    Active · clear
19. Mercer Mechanical

    Cameron Park, CA · CSLB #1073964 · as of July 2, 2026
    Active · clear
20. Merchants Building Maintenance Company

    Monterey Park, CA · CSLB #861937 · as of July 2, 2026
    Active · clear
21. Mercury Air Conditioning

    Lake Havasu City, CA · CSLB #949958 · as of July 2, 2026
    Active · clear
22. Mercury Heating And Air Conditioning INC

    Brentwood, CA · CSLB #1040640 · as of July 2, 2026
    Active · clear
23. Mericle Mechanical INC

    Placentia, CA · CSLB #776860 · as of July 2, 2026
    Active · clear
24. Merit Heating And Air

    Pismo Beach, CA · CSLB #735542 · as of July 2, 2026
    Active · clear
25. Meriwether Air Conditioning

    Chico, CA · CSLB #308723 · as of July 2, 2026
    Active · clear
26. Merrick & Associates INC

    San Diego, CA · CSLB #454270 · as of July 2, 2026
    Active · clear
27. Mesa3/mechanical Environmental Systems Analysis And Adjustment

    Santa Clara, CA · CSLB #498292 · as of July 2, 2026
    Active · clear
28. Mesa Air Heating / Air Conditioning INC

    Nipomo, CA · CSLB #690241 · as of July 2, 2026
    Active · clear
29. Jonathan E Mesple

    Clovis, CA · CSLB #661443 · as of July 2, 2026
    Active · clear
30. Metal Masters Air Conditioning

    White City, CA · CSLB #382691 · as of July 2, 2026
    Active · clear
31. Method HVAC Services INC

    Folsom, CA · CSLB #1090807 · as of July 2, 2026
    Active · clear
32. Metric Heating And Air

    Riverside, CA · CSLB #1150482 · as of July 2, 2026
    Active · clear
33. Metric HVAC

    Bellflower, CA · CSLB #1075525 · as of July 2, 2026
    Active · clear
34. Metro Mechanical

    Santa Cruz, CA · CSLB #653263 · as of July 2, 2026
    Active · clear
35. Metro Mechanical INC

    Gilroy, CA · CSLB #825697 · as of July 2, 2026
    Active · clear
36. Metropolitan Heating & Air Conditioning INC

    Pasadena, CA · CSLB #722516 · as of July 2, 2026
    Active · clear
37. Metropolitan Heating And Air Conditioning

    Irvine, CA · CSLB #767552 · as of July 2, 2026
    Active · clear
38. Metz Air Control LLC

    Austin, CA · CSLB #1142864 · as of July 2, 2026
    Active · clear
39. John Meyer A/c

    Riverside, CA · CSLB #893501 · as of July 2, 2026
    Active · clear
40. Meyer & Sons Heating Plumbing & A/c INC

    Dunsmuir, CA · CSLB #674874 · as of July 2, 2026
    Active · clear
41. M G Air & Cooling INC

    Inglewood, CA · CSLB #1157104 · as of July 2, 2026
    Active · clear
42. MGC Air Heating & Cooling

    Highland, CA · CSLB #1143319 · as of July 2, 2026
    Active · clear
43. Ronny A Macias DBA M G I Heating & Air Conditioning

    Murrieta, CA · CSLB #943020 · as of July 2, 2026
    Active · clear
44. M G'S Air Conditioning & Heating

    Tulare, CA · CSLB #960470 · as of July 2, 2026
    Active · clear
45. M G Systems

    Sylmar, CA · CSLB #870910 · as of July 2, 2026
    Active · clear
46. MH Heating & Cooling Solutions

    San Jose, CA · CSLB #1066480 · as of July 2, 2026
    Active · clear
47. M H S Heating & Air Conditioning INC

    Escondido, CA · CSLB #932029 · as of July 2, 2026
    Active · clear
48. M I B Associates INC

    Winnetka, CA · CSLB #444221 · as of July 2, 2026
    Active · clear
49. Michael Auston Erwin

    San Jose, CA · CSLB #1155852 · as of July 2, 2026
    Active · clear
50. Michael Howard Plumbing-rooter-heating-air Conditioning

    Los Angeles, CA · CSLB #774094 · as of July 2, 2026
    Active · clear
51. Michael Paz Osorio

    Garden Grove, CA · CSLB #1156292 · as of July 2, 2026
    Active · clear
52. Michael's Certified Air INC

    Ridgecrest, CA · CSLB #969915 · as of July 2, 2026
    Active · clear
53. Michael's Mechanical Heating & Air Conditioning

    Oroville, CA · CSLB #992632 · as of July 2, 2026
    Active · clear
54. Branden Michel

    Coachella, CA · CSLB #1086199 · as of July 2, 2026
    Active · clear
55. Henry Michrowski

    Tarzana, CA · CSLB #415079 · as of July 2, 2026
    Active · clear
56. Mick's Heating Air Conditioning & Plumbing INC

    Santa Ana, CA · CSLB #593230 · as of July 2, 2026
    Active · clear
57. Mickster Mechanical Heating & A/c

    Lakeside, CA · CSLB #880072 · as of July 2, 2026
    Active · clear
58. Mi Clima Air Conditioning And Heating INC

    Riverside, CA · CSLB #1123655 · as of July 2, 2026
    Active · clear
59. Mid Cal Mechanical Heating & Air Conditioning

    Los Banos, CA · CSLB #909206 · as of July 2, 2026
    Active · clear
60. Mid Coast Mechanical INC

    San Luis Obispo, CA · CSLB #615966 · as of July 2, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 2, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.