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 4,681–4,740 of 8,995 contractors

JG Heating And Air Conditioning
San Jose, CA · CSLB #1076164 · as of July 1, 2026
Active · clear
JGL Mechanical INC
Rancho Cucamonga, CA · CSLB #1090635 · as of July 1, 2026
Active · clear
J G Mechanical
Desert Hot Springs, CA · CSLB #1042549 · as of July 1, 2026
Active · clear
Erick Wilfredo Granados DBA J G Refrigeration Air Conditioning
Los Angeles, CA · CSLB #1057501 · as of July 1, 2026
Active · clear
JH Air Conditioning
San Diego, CA · CSLB #1146725 · as of July 1, 2026
Active · clear
J H Air Conditioning INC
Burbank, CA · CSLB #656863 · as of July 1, 2026
Active · clear
JH Heating & Cooling INC
San Jose, CA · CSLB #1063321 · as of July 1, 2026
Active · clear
J & H Mechanical Heating And Air
Roseville, CA · CSLB #904242 · as of July 1, 2026
Active · clear
J & H Mechanical INC
Jurupa Valley, CA · CSLB #1000882 · as of July 1, 2026
Active · clear
J H Mechanical Services
Auburn, CA · CSLB #1008710 · as of July 1, 2026
Active · clear
Jilbert Air Conditioning & Heating INC
Burbank, CA · CSLB #708791 · as of July 1, 2026
Active · clear
Jimbo's Heating & Cooling
Fresno, CA · CSLB #1143826 · as of July 1, 2026
Active · clear
Jimmy Mechanical
Sacramento, CA · CSLB #946186 · as of July 1, 2026
Active · clear
Jim's Air Conditioning & Heating
Escondido, CA · CSLB #292268 · as of July 1, 2026
Active · clear
Jincheng Air Conditioning INC
Rosemead, CA · CSLB #1140011 · as of July 1, 2026
Active · clear
Jingqiang Ding
Cupertino, CA · CSLB #1141108 · as of July 1, 2026
Active · clear
Jireh Ac And Heating Services
Corona, CA · CSLB #1063315 · as of July 1, 2026
Active · clear
Xiang Ji
Rowland Heights, CA · CSLB #1105597 · as of July 1, 2026
Active · clear
J & J Air Conditioning INC
San Jose, CA · CSLB #394587 · as of July 1, 2026
Active · clear
J J Air Heating Services
Pomona, CA · CSLB #900747 · as of July 1, 2026
Active · clear
JJ Air INC
Riverside, CA · CSLB #1033575 · as of July 1, 2026
Active · clear
JJ Heating & Air
Tahoma, CA · CSLB #1156759 · as of July 1, 2026
Active · clear
JJ Heating And Air INC
Riverside, CA · CSLB #1053048 · as of July 1, 2026
Active · clear
J J Heating And Cooling
Norwalk, CA · CSLB #776237 · as of July 1, 2026
Active · clear
J & J H V A C
Palmdale, CA · CSLB #936645 · as of July 1, 2026
Active · clear
JJ & J Air Conditioning Corp
Chino, CA · CSLB #1064651 · as of July 1, 2026
Active · clear
JJ Plumbing Heat And Air
Oceanside, CA · CSLB #1031151 · as of July 1, 2026
Active · clear
J & J'S Heating And Air Conditioning
Santa Barbara, CA · CSLB #1086420 · as of July 1, 2026
Active · clear
Jking HVAC INC
San Jose, CA · CSLB #1142654 · as of July 1, 2026
Active · clear
J&K Sheetmetal CO
Oakland, CA · CSLB #1141718 · as of July 1, 2026
Active · clear
Jla Heating And Air Conditioning LLC
San Jose, CA · CSLB #1082013 · as of July 1, 2026
Active · clear
J L Air Services
Rancho Palos Verdes, CA · CSLB #1040728 · as of July 1, 2026
Active · clear
JLC Air
Lancaster, CA · CSLB #963378 · as of July 1, 2026
Active · clear
J L Cantrell
Redlands, CA · CSLB #515625 · as of July 1, 2026
Active · clear
JLF Heating And Air INC
Glencoe, CA · CSLB #1119708 · as of July 1, 2026
Active · clear
J L M Mechanical
Cameron Park, CA · CSLB #993943 · as of July 1, 2026
Active · clear
JL Perry HVAC
El Cajon, CA · CSLB #887727 · as of July 1, 2026
Active · clear
J.l. Quality Heating & Air
Rancho Santa Margarita, CA · CSLB #1042371 · as of July 1, 2026
Active · clear
J L Sheetmetal INC
Los Angeles, CA · CSLB #923602 · as of July 1, 2026
Active · clear
JM2 Hvacr INC
Lancaster, CA · CSLB #1147009 · as of July 1, 2026
Active · clear
J M Air Conditioning
Fresno, CA · CSLB #1041741 · as of July 1, 2026
Active · clear
J&M Air Conditioning And Heating
San Jacinto, CA · CSLB #1105754 · as of July 1, 2026
Active · clear
Jma Mechanical Corp
Lompoc, CA · CSLB #1108160 · as of July 1, 2026
Active · clear
J M C HVAC INC
Fontana, CA · CSLB #1110421 · as of July 1, 2026
Active · clear
JMC Mechanical INC
Palmdale, CA · CSLB #1031992 · as of July 1, 2026
Active · clear
J M Comfort
North Highlands, CA · CSLB #1016274 · as of July 1, 2026
Active · clear
J M Heating & Air
Burbank, CA · CSLB #853840 · as of July 1, 2026
Active · clear
J&M Heating & Cooling LLC
Fremont, CA · CSLB #1127824 · as of July 1, 2026
Active · clear
JM HVAC
Petaluma, CA · CSLB #1001595 · as of July 1, 2026
Active · clear
JM HVAC
Gardena, CA · CSLB #1091383 · as of July 1, 2026
Active · clear
J M L Heating-cooling
Ojai, CA · CSLB #688311 · as of July 1, 2026
Active · clear
J M Mechanical
Big Bear City, CA · CSLB #853444 · as of July 1, 2026
Active · clear
JM Mechanical Solutions Corp
Pomona, CA · CSLB #1129328 · as of July 1, 2026
Active · clear
JMM Restaurant Specialties INC
South El Monte, CA · CSLB #1003706 · as of July 1, 2026
Active · clear
J M Professional Plumbing
Fullerton, CA · CSLB #828995 · as of July 1, 2026
Active · clear
JM Quality Air Conditioning And Heating
Yucca Valley, CA · CSLB #1133343 · as of July 1, 2026
Active · clear
J M R Heating & Air Conditioning
Laguna Niguel, CA · CSLB #1055619 · as of July 1, 2026
Active · clear
J M R Heating Corp
Hollister, CA · CSLB #1107368 · as of July 1, 2026
Active · clear
J M S A / C & Heating
Van Nuys, CA · CSLB #673678 · as of July 1, 2026
Active · clear
JMS Heating & Air Conditioning INC
San Jose, CA · CSLB #1069097 · 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.