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 6,841–6,900 of 8,936 contractors

1. River Valley Mechanical

   Marysville, CA · CSLB #1041474 · as of October 8, 2026
   Active · clear
2. River Valley Mechanical INC

   Yuba City, CA · CSLB #1090747 · as of October 8, 2026
   Active · clear
3. David Rizo Mechanical

   Lakewood, CA · CSLB #987752 · as of October 8, 2026
   Active · clear
4. Rizzo HVAC INC

   Menifee, CA · CSLB #349958 · as of October 8, 2026
   Active · clear
5. R J A Heating & Air INC

   Sacramento, CA · CSLB #834800 · as of October 8, 2026
   Active · clear
6. RJ Air Conditioning Services INC

   Anaheim, CA · CSLB #997356 · as of October 8, 2026
   Active · clear
7. R & J Climate Services INC

   Richmond, CA · CSLB #1140094 · as of October 8, 2026
   Active · clear
8. RJ Mechanical HVAC

   Victorville, CA · CSLB #967715 · as of October 8, 2026
   Active · clear
9. R J Mechanical INC

   Cotati, CA · CSLB #856063 · as of October 8, 2026
   Active · clear
10. R Johnson Modular Air

    Browns Valley, CA · CSLB #786451 · as of October 8, 2026
    Active · clear
11. Rj's Heating & Air Conditioning INC

    Sherman Oaks, CA · CSLB #584152 · as of October 8, 2026
    Active · clear
12. RK Air INC

    Anaheim, CA · CSLB #1006246 · as of October 8, 2026
    Active · clear
13. R K Heating And Air

    Redondo Beach, CA · CSLB #938603 · as of October 8, 2026
    Active · clear
14. R K Mechanical

    Simi Valley, CA · CSLB #916208 · as of October 8, 2026
    Active · clear
15. RK Mechanical Air Services INC

    Antelope, CA · CSLB #1064548 · as of October 8, 2026
    Active · clear
16. RKM Heating And Air Conditioning

    Riverside, CA · CSLB #936726 · as of October 8, 2026
    Active · clear
17. RK Plumbing Heating Air Conditioning

    Garden Grove, CA · CSLB #1002474 · as of October 8, 2026
    Active · clear
18. Rla Comfortmaker INC

    Tarzana, CA · CSLB #1101898 · as of October 8, 2026
    Active · clear
19. RL HVAC

    Chino Hills, CA · CSLB #1076904 · as of October 8, 2026
    Active · clear
20. R & L Mechanical INC

    San Lorenzo, CA · CSLB #1114298 · as of October 8, 2026
    Active · clear
21. R L P Mechanical H V A C

    Sacramento, CA · CSLB #925601 · as of October 8, 2026
    Active · clear
22. RM Air INC

    Corona, CA · CSLB #1136932 · as of October 8, 2026
    Active · clear
23. R M C Mechanical Systems INC

    Escondido, CA · CSLB #948877 · as of October 8, 2026
    Active · clear
24. RMC Refrigeration & Air Conditioning INC

    Redding, CA · CSLB #492792 · as of October 8, 2026
    Active · clear
25. RM Heating & Air Conditioning

    Stockton, CA · CSLB #1088775 · as of October 8, 2026
    Active · clear
26. RM Heating And Air

    Vista, CA · CSLB #1145479 · as of October 8, 2026
    Active · clear
27. RM Heating & Cooling Solutions LLC

    San Francisco, CA · CSLB #1137812 · as of October 8, 2026
    Active · clear
28. RML Heating And Air Conditioning

    Gilroy, CA · CSLB #1046486 · as of October 8, 2026
    Active · clear
29. R Monteverde & Son Heating & Air Conditioning

    Torrance, CA · CSLB #984223 · as of October 8, 2026
    Active · clear
30. R & M Refrigeration

    Roseville, CA · CSLB #784569 · as of October 8, 2026
    Active · clear
31. RMS Heating And Air

    Elk Grove, CA · CSLB #1036295 · as of October 8, 2026
    Active · clear
32. RNC Heating & A/c

    Palmdale, CA · CSLB #1011435 · as of October 8, 2026
    Active · clear
33. RNS Heating & Air Conditioning INC

    Tujunga, CA · CSLB #1065109 · as of October 8, 2026
    Active · clear
34. Roach HVAC INC

    Sacramento, CA · CSLB #983953 · as of October 8, 2026
    Active · clear
35. Road Runners Air Conditioning & Heating

    San Jacinto, CA · CSLB #1160354 · as of October 8, 2026
    Active · clear
36. Robbins 5 Star Heating And Air Conditioning INC

    Agoura Hills, CA · CSLB #956409 · as of October 8, 2026
    Active · clear
37. Robbins Air Conditioning

    Bellflower, CA · CSLB #1096866 · as of October 8, 2026
    Active · clear
38. C L Robert Plumbing Heating & Air INC

    Riverside, CA · CSLB #903192 · as of October 8, 2026
    Active · clear
39. Robert James Cortez

    Livermore, CA · CSLB #606942 · as of October 8, 2026
    Active · clear
40. Robert's Heating And Air

    Roseville, CA · CSLB #935434 · as of October 8, 2026
    Active · clear
41. Roberts Heating & Cooling

    Paradise, CA · CSLB #854540 · as of October 8, 2026
    Active · clear
42. Robic Refrigeration INC

    Turlock, CA · CSLB #396539 · as of October 8, 2026
    Active · clear
43. Robinair

    Clovis, CA · CSLB #1015088 · as of October 8, 2026
    Active · clear
44. Robinson Climate Control

    San Jose, CA · CSLB #1127028 · as of October 8, 2026
    Active · clear
45. Gary R Robinson

    Palmdale, CA · CSLB #500515 · as of October 8, 2026
    Active · clear
46. Robledo Heating & Air

    Fillmore, CA · CSLB #1160222 · as of October 8, 2026
    Active · clear
47. Rob's Heating & Cooling Service

    Shasta Lake, CA · CSLB #736228 · as of October 8, 2026
    Active · clear
48. Rocha's Precision Cooling Systems INC

    Compton, CA · CSLB #1148875 · as of October 8, 2026
    Active · clear
49. Rocket Air INC

    Modesto, CA · CSLB #1133520 · as of October 8, 2026
    Active · clear
50. Rocklin Heating And Air Conditioning Company INC

    Rocklin, CA · CSLB #959466 · as of October 8, 2026
    Active · clear
51. Rock Solid Heating And Cooling INC

    Temecula, CA · CSLB #1040704 · as of October 8, 2026
    Active · clear
52. Rodgers Air Conditioning And Plumbing INC

    Homeland, CA · CSLB #1072573 · as of October 8, 2026
    Active · clear
53. Rodriguez H V A C Services

    Los Angeles, CA · CSLB #928096 · as of October 8, 2026
    Active · clear
54. Jesus J Rodriguez

    Hollister, CA · CSLB #973980 · as of October 8, 2026
    Active · clear
55. Ruben Rodriguez Lauro

    Northridge, CA · CSLB #1054381 · as of October 8, 2026
    Active · clear
56. Rodriguez Sheet Metal

    San Jose, CA · CSLB #988741 · as of October 8, 2026
    Active · clear
57. Zeferino Rodriguez

    Indio, CA · CSLB #950930 · as of October 8, 2026
    Active · clear
58. Roger Miller Heating & Air

    Menifee, CA · CSLB #643142 · as of October 8, 2026
    Active · clear
59. Roger's A/c Repair & Service

    West Covina, CA · CSLB #948940 · as of October 8, 2026
    Active · clear
60. Rogers Mechanical Contractors LLC

    Villa Rica, CA · CSLB #1078501 · 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.