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 7, 2026.

Showing 1,021–1,080 of 8,936 contractors

1. All Seasons Heating & A/c

   Atwater, CA · CSLB #832273 · as of October 7, 2026
   Active · clear
2. All Seasons Heating & Air Conditioning

   North Highlands, CA · CSLB #553304 · as of October 7, 2026
   Active · clear
3. All Seasons Heating & Air Conditioning

   Chico, CA · CSLB #909575 · as of October 7, 2026
   Active · clear
4. All Seasons Heating & Air Conditioning

   Oakland, CA · CSLB #587252 · as of October 7, 2026
   Active · clear
5. All Seasons Heating & Air Conditioning Services

   Meadow Vista, CA · CSLB #583865 · as of October 7, 2026
   Active · clear
6. All Seasons Heating & Cooling

   Pacific Grove, CA · CSLB #951231 · as of October 7, 2026
   Active · clear
7. All Seasons Plumbing

   South Lake Tahoe, CA · CSLB #410706 · as of October 7, 2026
   Active · clear
8. All Seasons Premium Heating & Air

   San Bernardino, CA · CSLB #1117091 · as of October 7, 2026
   Active · clear
9. All Star A / C

   National City, CA · CSLB #943414 · as of October 7, 2026
   Active · clear
10. All Star A/c

    Northridge, CA · CSLB #650404 · as of October 7, 2026
    Active · clear
11. All Star A/c & Heating Ngov

    Fairfield, CA · CSLB #1094269 · as of October 7, 2026
    Active · clear
12. All - Star Air Conditioning

    La Quinta, CA · CSLB #919924 · as of October 7, 2026
    Active · clear
13. Allstar Heating & Air Conditioning INC

    Walnut, CA · CSLB #969939 · as of October 7, 2026
    Active · clear
14. H Poor And Company INC DBA Allstar Heating And Air Conditioning

    Buellton, CA · CSLB #608469 · as of October 7, 2026
    Active · clear
15. All Star HVAC

    Antioch, CA · CSLB #1076138 · as of October 7, 2026
    Active · clear
16. All Star Mechanical Heating & Cooling

    Riverside, CA · CSLB #1142279 · as of October 7, 2026
    Active · clear
17. All Star Services Cooling & Heating INC

    Indio, CA · CSLB #1078348 · as of October 7, 2026
    Active · clear
18. All Stars Service CO

    San Juan Capistrano, CA · CSLB #822503 · as of October 7, 2026
    Active · clear
19. All Systems Mechanical

    Santa Clarita, CA · CSLB #1051527 · as of October 7, 2026
    Active · clear
20. Alltemp Ca Holdings LLC

    Kahului, CA · CSLB #1148370 · as of October 7, 2026
    Active · clear
21. All Temperatures Controlled INC

    Chatsworth, CA · CSLB #658722 · as of October 7, 2026
    Active · clear
22. All Temperatures INC

    City Of Industry, CA · CSLB #1085863 · as of October 7, 2026
    Active · clear
23. All-temp Heating & Air Conditioning

    Mammoth Lakes, CA · CSLB #987076 · as of October 7, 2026
    Active · clear
24. All Temp Mechanical INC

    Escondido, CA · CSLB #1109066 · as of October 7, 2026
    Active · clear
25. All - Temp Refrigeration Heating & Air Conditioning INC

    King City, CA · CSLB #1012598 · as of October 7, 2026
    Active · clear
26. All Temp Systems INC

    Los Angeles, CA · CSLB #984374 · as of October 7, 2026
    Active · clear
27. All Things Mechanical INC

    Nipomo, CA · CSLB #1093909 · as of October 7, 2026
    Active · clear
28. All Time Heating & Air

    Highland, CA · CSLB #1145885 · as of October 7, 2026
    Active · clear
29. All Toasty_heating & Ac

    Camarillo, CA · CSLB #948779 · as of October 7, 2026
    Active · clear
30. All Valley Air Conditioning & Heating

    Fresno, CA · CSLB #1053023 · as of October 7, 2026
    Active · clear
31. All Valley Air Heating-air Conditioning

    Simi Valley, CA · CSLB #462921 · as of October 7, 2026
    Active · clear
32. All Valley Heating And Air Conditioning

    Valencia, CA · CSLB #614903 · as of October 7, 2026
    Active · clear
33. All Valley Heating And Air INC

    Covina, CA · CSLB #1127428 · as of October 7, 2026
    Active · clear
34. All Valley Heating & Cooling INC

    Tulare, CA · CSLB #1154673 · as of October 7, 2026
    Active · clear
35. All Valley Refrigeration INC

    Woodland Hills, CA · CSLB #968515 · as of October 7, 2026
    Active · clear
36. Allwayz Heating & Air Conditioning INC

    Diamond Bar, CA · CSLB #1097372 · as of October 7, 2026
    Active · clear
37. All Weather Air Conditioning & Heating

    Lakeside, CA · CSLB #606061 · as of October 7, 2026
    Active · clear
38. All Weather Air Conditioning Heating & Refrigeration Plumbing

    Madera, CA · CSLB #953062 · as of October 7, 2026
    Active · clear
39. All Weather Heating & Air Conditioning INC

    Vacaville, CA · CSLB #949796 · as of October 7, 2026
    Active · clear
40. All Weather INC

    Goleta, CA · CSLB #782033 · as of October 7, 2026
    Active · clear
41. All Weather Masters INC

    North Hollywood, CA · CSLB #1094428 · as of October 7, 2026
    Active · clear
42. All Year Heating Air

    Newhall, CA · CSLB #1103283 · as of October 7, 2026
    Active · clear
43. All Zone Heating & Cooling CO

    Madera, CA · CSLB #1077551 · as of October 7, 2026
    Active · clear
44. Almas Heating & Air

    Roseville, CA · CSLB #1150875 · as of October 7, 2026
    Active · clear
45. Almejo Air Service

    Rancho Santa Margarita, CA · CSLB #1053236 · as of October 7, 2026
    Active · clear
46. Almighty Comfort

    Beaumont, CA · CSLB #1160796 · as of October 7, 2026
    Active · clear
47. Aloha Air Conditioning And Heating INC

    Redondo Beach, CA · CSLB #1105978 · as of October 7, 2026
    Active · clear
48. Aloha Heating And Cooling

    Meadow Vista, CA · CSLB #738967 · as of October 7, 2026
    Active · clear
49. Alonso Advanced Air

    Hesperia, CA · CSLB #1091945 · as of October 7, 2026
    Active · clear
50. Alonso's Heating And Cooling

    Santa Clarita, CA · CSLB #1108058 · as of October 7, 2026
    Active · clear
51. Alpes Cooling & Heating

    Hayward, CA · CSLB #1133150 · as of October 7, 2026
    Active · clear
52. Alpha Heating & Air Conditioning INC

    Playa Vista, CA · CSLB #711227 · as of October 7, 2026
    Active · clear
53. Alpha Heating & Cooling INC

    Madera, CA · CSLB #1130148 · as of October 7, 2026
    Active · clear
54. Alpha Repair INC DBA Alpha HVAC Repair And Installation

    Mission Viejo, CA · CSLB #1106714 · as of October 7, 2026
    Active · clear
55. Alpha Mechanical

    Fair Oaks, CA · CSLB #967727 · as of October 7, 2026
    Active · clear
56. Alpha Mechanical HVAC

    San Jose, CA · CSLB #914944 · as of October 7, 2026
    Active · clear
57. Alpha Plus Appliances Heating & Air Conditioning Services

    South San Francisco, CA · CSLB #998479 · as of October 7, 2026
    Active · clear
58. Alpha Refrigeration & A/c CO

    Cypress, CA · CSLB #524342 · as of October 7, 2026
    Active · clear
59. Alpine Air CO

    Granite Bay, CA · CSLB #778471 · as of October 7, 2026
    Active · clear
60. Alpine Heating & Air Conditioning

    Plumas Lake, CA · CSLB #664609 · as of October 7, 2026
    Active · open complaint

Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.