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 1, 2026.

Showing 4,561–4,620 of 8,995 contractors

Izmirian Roofing & Sheet Metal
San Mateo, CA · CSLB #277624 · as of July 1, 2026
Active · clear
Izzy Heating & Air Conditioning
Moorpark, CA · CSLB #1044965 · as of July 1, 2026
Active · clear
Jorge Ariel Acosta DBA Jaa 4 Mechanical
Los Angeles, CA · CSLB #1056940 · as of July 1, 2026
Active · clear
J & A Air Conditioning
Los Angeles, CA · CSLB #809406 · as of July 1, 2026
Active · clear
J A C
Chino Hills, CA · CSLB #765922 · as of July 1, 2026
Active · clear
Jack Frost Heating And Cooling INC
Lake Elsinore, CA · CSLB #1036624 · as of July 1, 2026
Active · clear
Jack's Butane Service INC
Biola, CA · CSLB #405460 · as of July 1, 2026
Active · clear
David Jackson
Riverside, CA · CSLB #1045271 · as of July 1, 2026
Active · clear
Dan Foster INC DBA Jackson & Foster Heating & A/c & Plumbing
La Mesa, CA · CSLB #788983 · as of July 1, 2026
Active · clear
Jackson Mechanical LLC
Bonita, CA · CSLB #959061 · as of July 1, 2026
Active · clear
Jacks Refrigeration INC
Kingsburg, CA · CSLB #260935 · as of July 1, 2026
Active · clear
Jacob's Air Conditioning
Imperial, CA · CSLB #1061947 · as of July 1, 2026
Active · clear
Jacobsen Heating And Air Conditioning
La Mirada, CA · CSLB #982888 · as of July 1, 2026
Active · clear
Jacob's Plumbing And Heating
Orcutt, CA · CSLB #920686 · as of July 1, 2026
Active · clear
Jaco Heating Air Conditioning & Refrigeration
Lakeport, CA · CSLB #865698 · as of July 1, 2026
Active · clear
J.adams Air Conditioning Heating And Plumbing Corp
Riverside, CA · CSLB #1117777 · as of July 1, 2026
Active · clear
Jaecin Heating And Cooling INC
Sacramento, CA · CSLB #1057791 · as of July 1, 2026
Active · clear
Jaguar Heating & Air INC
Sacramento, CA · CSLB #989872 · as of July 1, 2026
Active · clear
J & A H V A C INC
Burbank, CA · CSLB #1003423 · as of July 1, 2026
Active · clear
Jaimes Heating And Air
Stockton, CA · CSLB #1023282 · as of July 1, 2026
Active · clear
Fernando Jaimes V
Stockton, CA · CSLB #987986 · as of July 1, 2026
Active · clear
Jake's Heating & Air
Moreno Valley, CA · CSLB #1039786 · as of July 1, 2026
Active · clear
J A Mechanical
San Jose, CA · CSLB #801947 · as of July 1, 2026
Active · clear
James Air Conditioning & Heating INC
Bakersfield, CA · CSLB #779965 · as of July 1, 2026
Active · clear
James Butler Heating And Air
Winchester, CA · CSLB #1091127 · as of July 1, 2026
Active · clear
Thomas David James
Elverta, CA · CSLB #1118096 · as of July 1, 2026
Active · clear
Jamison Heating And Air Conditioning
Felton, CA · CSLB #1031192 · as of July 1, 2026
Active · clear
Jamison Heating & Cooling Services INC
Fullerton, CA · CSLB #1072598 · as of July 1, 2026
Active · clear
Janal Heating & Air Conditioning
Redwood City, CA · CSLB #398495 · as of July 1, 2026
Active · clear
J And R Heating And A/c INC.
Oakley, CA · CSLB #853536 · as of July 1, 2026
Active · clear
Jason Jang
Ontario, CA · CSLB #1035039 · as of July 1, 2026
Active · clear
J Arredondo Heating And Air Conditioning
West Hills, CA · CSLB #895709 · as of July 1, 2026
Active · clear
Jarrett Mechanical
Valley Center, CA · CSLB #816348 · as of July 1, 2026
Active · clear
Jarvis Heating And Air
Watsonville, CA · CSLB #1141606 · as of July 1, 2026
Active · clear
Jason Mechanical INC
Rancho Cordova, CA · CSLB #998609 · as of July 1, 2026
Active · clear
Jav - Air Heating & Air Conditioning INC
Los Alamitos, CA · CSLB #754098 · as of July 1, 2026
Active · clear
Javco Air INC
Panorama City, CA · CSLB #865461 · as of July 1, 2026
Active · clear
Javi-air
Newhall, CA · CSLB #1069979 · as of July 1, 2026
Active · clear
Jaw Heating & Air INC
Jackson, CA · CSLB #929547 · as of July 1, 2026
Active · clear
Jax Heating And Air
Vacaville, CA · CSLB #758208 · as of July 1, 2026
Active · clear
The Jaxson Company INC
Hollister, CA · CSLB #968534 · as of July 1, 2026
Active · clear
Jay-cee's Santa Clarita HVAC Company
Granada Hills, CA · CSLB #550508 · as of July 1, 2026
Active · clear
Jaymes Refrigeration Service
Fortuna, CA · CSLB #1080996 · as of July 1, 2026
Active · clear
Jay's Heating & Air
Reno, CA · CSLB #1098554 · as of July 1, 2026
Active · clear
Jay's Heating And Air Conditioning
San Bernardino, CA · CSLB #955483 · as of July 1, 2026
Active · clear
Jay's Heating And Cooling
Moreno Valley, CA · CSLB #1120631 · as of July 1, 2026
Active · clear
Jazz Heating & Cooling LLC
Pleasanton, CA · CSLB #1125222 · as of July 1, 2026
Active · clear
JB3 HVAC
Menifee, CA · CSLB #993821 · as of July 1, 2026
Active · clear
JB Air
Stockton, CA · CSLB #1088073 · as of July 1, 2026
Active · clear
Jbbc Heating And Air Conditioning INC
San Jose, CA · CSLB #1128823 · as of July 1, 2026
Active · clear
Jbe Air Solutions INC
Riverside, CA · CSLB #1105631 · as of July 1, 2026
Active · clear
JB Heating And Air Conditioning Service
Cypress, CA · CSLB #1053889 · as of July 1, 2026
Active · clear
JB Heating And Air Corp
Thermal, CA · CSLB #1091566 · as of July 1, 2026
Active · clear
JB Heating And Air LLC
Lancaster, CA · CSLB #1100831 · as of July 1, 2026
Active · clear
JB HVAC INC
Watsonville, CA · CSLB #1145761 · as of July 1, 2026
Active · clear
J B K Aire INC
Morgan Hill, CA · CSLB #893758 · as of July 1, 2026
Active · clear
J B S Air Conditioning And Plumbing CO
Simi Valley, CA · CSLB #931965 · as of July 1, 2026
Active · clear
J B Sierra Air
Lindsay, CA · CSLB #868047 · as of July 1, 2026
Active · clear
JB Technical Services
San Diego, CA · CSLB #995492 · as of July 1, 2026
Active · clear
JC A/c Aire Services HVAC
West Covina, CA · CSLB #1131565 · as of July 1, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 1, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.