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 4,621–4,680 of 8,995 contractors

J C Air Conditioning INC
Walnut, CA · CSLB #1009208 · as of July 1, 2026
Active · clear
JC Climate Control Technology's INC
Concord, CA · CSLB #1050705 · as of July 1, 2026
Active · clear
JCC Mechanical
Murrieta, CA · CSLB #1106518 · as of July 1, 2026
Active · clear
JC Cordova Ac And Heating
Perris, CA · CSLB #1008384 · as of July 1, 2026
Active · clear
Jcdn Mechanical
Hesperia, CA · CSLB #1105023 · as of July 1, 2026
Active · clear
J C E HVAC
Chatsworth, CA · CSLB #946627 · as of July 1, 2026
Active · clear
JC Express Mechanical Services INC
Desert Hot Springs, CA · CSLB #1013247 · as of July 1, 2026
Active · clear
J C Heating & Air Conditioning INC
Soquel, CA · CSLB #405290 · as of July 1, 2026
Active · clear
JC Heating & Air Conditioning Systems INC
Anaheim, CA · CSLB #1051744 · as of July 1, 2026
Active · clear
J C Heating And Air
Sacramento, CA · CSLB #997470 · as of July 1, 2026
Active · clear
J C Heating And Air Conditioning INC
Benicia, CA · CSLB #1052818 · as of July 1, 2026
Active · clear
JC Heating And Cooling
Antelope, CA · CSLB #1109222 · as of July 1, 2026
Active · clear
JC Heating Services
Baldwin Park, CA · CSLB #955522 · as of July 1, 2026
Active · clear
JC HVAC Service
San Mateo, CA · CSLB #1052029 · as of July 1, 2026
Active · clear
J & C HVAC Services INC
La Mirada, CA · CSLB #1068852 · as of July 1, 2026
Active · clear
J C L Heating & Air Conditioning INC
Fillmore, CA · CSLB #1058823 · as of July 1, 2026
Active · clear
J C Mac Heating & Air INC
Sacramento, CA · CSLB #640612 · as of July 1, 2026
Active · clear
JC Marquez Plumbing INC
Long Beach, CA · CSLB #1098119 · as of July 1, 2026
Active · clear
JC Mechanical
San Diego, CA · CSLB #1073345 · as of July 1, 2026
Active · clear
JC Refrigeration
Valencia, CA · CSLB #1038876 · as of July 1, 2026
Active · clear
JCR Plumbing INC
Monrovia, CA · CSLB #1073237 · as of July 1, 2026
Active · clear
JCS Ac Heating INC
Bloomington, CA · CSLB #1140298 · as of July 1, 2026
Active · clear
JCS Mechanical
San Pablo, CA · CSLB #1096051 · as of July 1, 2026
Active · clear
Jc's Mechanical INC
La Verne, CA · CSLB #923646 · as of July 1, 2026
Active · clear
JD Air Conditioning & Plumbing
Downey, CA · CSLB #921507 · as of July 1, 2026
Active · clear
J D B Mechanical Systems
Lakewood, CA · CSLB #1022189 · as of July 1, 2026
Active · clear
J D Comfort Aircond And Heating
South Gate, CA · CSLB #852394 · as of July 1, 2026
Active · clear
J D Heating & Air Conditioning
South Gate, CA · CSLB #1146617 · as of July 1, 2026
Active · clear
JD Heating And Air Conditioning
Hemet, CA · CSLB #1133916 · as of July 1, 2026
Active · clear
J & D Heating And Air INC
Lodi, CA · CSLB #1141997 · as of July 1, 2026
Active · clear
JDH Heating And Air
Shingle Springs, CA · CSLB #1088463 · as of July 1, 2026
Active · clear
JD Mechanical Heating And Air
Rescue, CA · CSLB #1094158 · as of July 1, 2026
Active · clear
J D Mechanical Heating And Air INC
Jamul, CA · CSLB #882046 · as of July 1, 2026
Active · clear
JD Premier Heating & Air Conditioning INC
Lynwood, CA · CSLB #1151860 · as of July 1, 2026
Active · clear
JDQ Heating And Air Conditioning
Whittier, CA · CSLB #925796 · as of July 1, 2026
Active · clear
JDS Air INC
Jurupa Valley, CA · CSLB #1024276 · as of July 1, 2026
Active · clear
JDS Heating And Air
Los Angeles, CA · CSLB #1086108 · as of July 1, 2026
Active · clear
Jec Mechanical
Winchester, CA · CSLB #1148911 · as of July 1, 2026
Active · clear
J & E HVAC Service INC
Canoga Park, CA · CSLB #1078033 · as of July 1, 2026
Active · clear
J E Moore Air Conditioning INC
Pleasanton, CA · CSLB #283973 · as of July 1, 2026
Active · clear
Timothy Jenkins HVAC
Sacramento, CA · CSLB #1101849 · as of July 1, 2026
Active · clear
H C Jensen Plumbing INC
Danville, CA · CSLB #265318 · as of July 1, 2026
Active · clear
Jensen Mechanical INC
Oakley, CA · CSLB #929842 · as of July 1, 2026
Active · clear
Jerry's Commercial Refrigeration INC
Lake Isabella, CA · CSLB #464893 · as of July 1, 2026
Active · clear
Jerry's Heating & Air
Norco, CA · CSLB #750386 · as of July 1, 2026
Active · clear
Jerry's Heating And Air Conditioning INC
La Mesa, CA · CSLB #476448 · as of July 1, 2026
Active · clear
Jerry's Plumbing & Heating
Santa Maria, CA · CSLB #686893 · as of July 1, 2026
Active · clear
Jerry's Plumbing & Heating
San Bernardino, CA · CSLB #310627 · as of July 1, 2026
Active · clear
J E S Plumbing
Santa Maria, CA · CSLB #855992 · as of July 1, 2026
Active · clear
Jessee Heating & Air Conditioning
Chico, CA · CSLB #405424 · as of July 1, 2026
Active · clear
Jesse Jacquez
Modesto, CA · CSLB #1146171 · as of July 1, 2026
Active · clear
Jesse's Air Systems A / C & Heating
Ontario, CA · CSLB #864645 · as of July 1, 2026
Active · clear
Jesse's Heating & Air Service
Mission Hills, CA · CSLB #896352 · as of July 1, 2026
Active · clear
Jet Air Conditioning & Heating INC
Las Vegas, CA · CSLB #1058969 · as of July 1, 2026
Active · clear
Jet Air Solutions LLC
Glendora, CA · CSLB #1155647 · as of July 1, 2026
Active · clear
Jet - HVAC
Antioch, CA · CSLB #809173 · as of July 1, 2026
Active · clear
Jet H V A C
El Segundo, CA · CSLB #929519 · as of July 1, 2026
Active · clear
Jetson Home Corporation
Burbank, CA · CSLB #1155812 · as of July 1, 2026
Active · clear
All Access Air LLC DBA J F Heating And Air Conditioning
Murrieta, CA · CSLB #1025266 · as of July 1, 2026
Active · clear
J F HVAC
Vacaville, CA · CSLB #1135380 · 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.