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Public Record · California Contractors

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

The California Contractors State License Board (CSLB) lists 8,999 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 June 29, 2026.

Showing 2,941–3,000 of 8,999 contractors

  1. Desert Lion Air Services INC
    Joshua Tree, CA · CSLB #1114838 · as of June 29, 2026
    Active · clear
  2. Desert Living Air Conditioning & Heating
    Indio, CA · CSLB #958602 · as of June 29, 2026
    Active · clear
  3. Desert Mechanical INC
    Sylmar, CA · CSLB #913213 · as of June 29, 2026
    Active · clear
  4. Desert Oasis Air Conditioning Plumbing And Heating INC
    Palm Desert, CA · CSLB #855144 · as of June 29, 2026
    Active · clear
  5. Desert Quality Heating & Air Conditioning
    La Quinta, CA · CSLB #971830 · as of June 29, 2026
    Active · clear
  6. Desert Quality Heating & Air Conditioning INC
    Redlands, CA · CSLB #702855 · as of June 29, 2026
    Active · clear
  7. Desert Resort Air Conditioning & Heating
    Palm Springs, CA · CSLB #1036644 · as of June 29, 2026
    Active · clear
  8. Desert Valley Air Heating And Air Conditioning
    Desert Hot Springs, CA · CSLB #1043800 · as of June 29, 2026
    Active · clear
  9. Desert Xtreme Heating And Air Conditioning
    Coachella, CA · CSLB #958886 · as of June 29, 2026
    Active · clear
  10. Design Air
    Soquel, CA · CSLB #665899 · as of June 29, 2026
    Active · clear
  11. Design Air Mechanical INC
    Soquel, CA · CSLB #1112847 · as of June 29, 2026
    Active · clear
  12. The Design Builder Heating And Air
    El Monte, CA · CSLB #1111694 · as of June 29, 2026
    Active · clear
  13. Designer Plumbing & Air INC
    Bellflower, CA · CSLB #950508 · as of June 29, 2026
    Active · clear
  14. Design Heating & Air Conditioning INC
    San Jose, CA · CSLB #948420 · as of June 29, 2026
    Active · clear
  15. Details Matter HVAC
    Van Nuys, CA · CSLB #1153013 · as of June 29, 2026
    Active · clear
  16. Deus Ex Mechanical
    Santa Rosa, CA · CSLB #1114457 · as of June 29, 2026
    Active · clear
  17. Devco Mechanical INC
    Roseville, CA · CSLB #505507 · as of June 29, 2026
    Active · clear
  18. De Vera Air Conditioning Company
    Los Angeles, CA · CSLB #419220 · as of June 29, 2026
    Active · clear
  19. Dewildt Environmental INC
    Oceanside, CA · CSLB #749748 · as of June 29, 2026
    Active · clear
  20. Dewpoint Heating & Air Conditioning
    Burbank, CA · CSLB #969836 · as of June 29, 2026
    Active · clear
  21. Dew Point Heating And Air Conditioning
    El Cajon, CA · CSLB #1133826 · as of June 29, 2026
    Active · clear
  22. Dez Mechanical Systems
    West Covina, CA · CSLB #952037 · as of June 29, 2026
    Active · clear
  23. DGF Heating & Air Conditioning
    Santa Ana, CA · CSLB #1118171 · as of June 29, 2026
    Active · clear
  24. D G Heating And Air Conditioning
    San Jose, CA · CSLB #928315 · as of June 29, 2026
    Active · clear
  25. DGL Air Conditioning & Heating INC
    Orange, CA · CSLB #622345 · as of June 29, 2026
    Active · clear
  26. D H Air And Heating
    Chino Hills, CA · CSLB #734206 · as of June 29, 2026
    Active · clear
  27. Dha Mechanical INC
    Brentwood, CA · CSLB #1086837 · as of June 29, 2026
    Active · clear
  28. D H I Heating & Air
    Chula Vista, CA · CSLB #1014927 · as of June 29, 2026
    Active · clear
  29. D H Mechanical
    Castaic, CA · CSLB #887902 · as of June 29, 2026
    Active · clear
  30. D & H Refrigeration INC
    Sacramento, CA · CSLB #1094133 · as of June 29, 2026
    Active · clear
  31. Diablo Thermal Systems INC
    Walnut Creek, CA · CSLB #823200 · as of June 29, 2026
    Active · clear
  32. Diablo Valley Heating & Air Conditioning
    Antioch, CA · CSLB #810526 · as of June 29, 2026
    Active · clear
  33. Dial Leo Heating And Air
    Antelope, CA · CSLB #969113 · as of June 29, 2026
    Active · clear
  34. Dial One Schilling Plumbing Heating & Air Conditioning
    Lakewood, CA · CSLB #582886 · as of June 29, 2026
    Active · clear
  35. Diamond Heating & Air
    Merced, CA · CSLB #1151243 · as of June 29, 2026
    Active · clear
  36. Diamond Heating & Air Conditioning INC
    Rancho Cordova, CA · CSLB #1078454 · as of June 29, 2026
    Active · clear
  37. Diamond HVAC Corp
    Pleasanton, CA · CSLB #1106621 · as of June 29, 2026
    Active · clear
  38. Diamond HVAC Services INC
    Santa Rosa, CA · CSLB #1092525 · as of June 29, 2026
    Active · clear
  39. Diamond Mechanical LLC
    Brentwood, CA · CSLB #1134349 · as of June 29, 2026
    Active · clear
  40. Diamond Quality Heating & Air Conditioning
    Lancaster, CA · CSLB #1008272 · as of June 29, 2026
    Active · clear
  41. Diamond Star Mechanical INC
    Lathrop, CA · CSLB #1122667 · as of June 29, 2026
    Active · clear
  42. Erik Diaz Heating & Air INC
    Modesto, CA · CSLB #987132 · as of June 29, 2026
    Active · clear
  43. Diaz Pro Velocity A/c & Heating
    Moreno Valley, CA · CSLB #1106891 · as of June 29, 2026
    Active · clear
  44. Di Cicco's Mechanical INC
    Sacramento, CA · CSLB #788195 · as of June 29, 2026
    Active · clear
  45. Michael Dickinson
    Menifee, CA · CSLB #1014363 · as of June 29, 2026
    Active · clear
  46. Dickson CO
    San Rafael, CA · CSLB #452427 · as of June 29, 2026
    Active · clear
  47. Dickson Mechanical
    Yuba City, CA · CSLB #982514 · as of June 29, 2026
    Active · clear
  48. Digitemp CO
    Encino, CA · CSLB #897791 · as of June 29, 2026
    Active · clear
  49. Christopher Dinner Heating INC
    Monterey, CA · CSLB #684975 · as of June 29, 2026
    Active · clear
  50. Dominique Dinner Heating & Sheetmetal INC
    Monterey, CA · CSLB #1117034 · as of June 29, 2026
    Active · clear
  51. Direct Ac INC
    Riverside, CA · CSLB #933392 · as of June 29, 2026
    Active · clear
  52. Direct Air And Refrigeration
    Fresno, CA · CSLB #1001237 · as of June 29, 2026
    Active · clear
  53. Direct Air Mechanical
    Shingle Springs, CA · CSLB #1047331 · as of June 29, 2026
    Active · clear
  54. Direct Plumbing & Drains INC
    Aguanga, CA · CSLB #1069024 · as of June 29, 2026
    Active · clear
  55. Discount Energy Solution
    El Centro, CA · CSLB #962609 · as of June 29, 2026
    Active · clear
  56. Discount HVAC & Appliance Repair
    Fairfield, CA · CSLB #1127109 · as of June 29, 2026
    Active · clear
  57. Dispatch Heating, Air Conditioning & Refrigeration
    San Diego, CA · CSLB #1130496 · as of June 29, 2026
    Active · clear
  58. John Dittenhoefer
    Nipomo, CA · CSLB #685206 · as of June 29, 2026
    Active · clear
  59. Diverse Mechanical Solutions Heating And Air
    Adelanto, CA · CSLB #1137976 · as of June 29, 2026
    Active · clear
  60. Diversified HVAC
    Yucca Valley, CA · CSLB #932767 · as of June 29, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 29, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.