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 4,921–4,980 of 8,995 contractors

Kendrick Mechanical Services INC
Loomis, CA · CSLB #1119777 · as of July 1, 2026
Active · clear
Kendrick's Heating & Air Conditioning INC
Long Beach, CA · CSLB #978767 · as of July 1, 2026
Active · clear
Kenneth's Heating & Air
Atascadero, CA · CSLB #975995 · as of July 1, 2026
Active · clear
Kennies Indoor Comfort Specialists INC
Hanford, CA · CSLB #524878 · as of July 1, 2026
Active · clear
Kenn's A/c
West Covina, CA · CSLB #1064099 · as of July 1, 2026
Active · clear
Ken's Air
Acampo, CA · CSLB #961058 · as of July 1, 2026
Active · clear
Sean L Kent
Visalia, CA · CSLB #1014521 · as of July 1, 2026
Active · clear
Kenyon & Sons INC
Rancho Cordova, CA · CSLB #292946 · as of July 1, 2026
Active · clear
Keoni Heating And Air Conditioning
Roseville, CA · CSLB #768186 · as of July 1, 2026
Active · clear
Kern County Elite Plumbing
Bakersfield, CA · CSLB #1139139 · as of July 1, 2026
Active · clear
Kevco Service Corp
Sunland, CA · CSLB #939118 · as of July 1, 2026
Active · clear
Kevin's Heating And Air
Sutter, CA · CSLB #1035820 · as of July 1, 2026
Active · clear
Key Heating And Air Conditioning
West Hills, CA · CSLB #594949 · as of July 1, 2026
Active · clear
Key Mechanical Company
Livermore, CA · CSLB #813609 · as of July 1, 2026
Active · clear
Keyson Mechanical LLC
Whittier, CA · CSLB #1120637 · as of July 1, 2026
Active · clear
Keystone Mechanical LLC
Campbell, CA · CSLB #1028816 · as of July 1, 2026
Active · clear
KFM 247 LLC
Woodbine, CA · CSLB #1133459 · as of July 1, 2026
Active · clear
KG Air INC
Jurupa Valley, CA · CSLB #1087005 · as of July 1, 2026
Active · clear
Khai Heating And Air Conditioning
San Jose, CA · CSLB #994721 · as of July 1, 2026
Active · clear
Michael Kiefer
Riverside, CA · CSLB #824601 · as of July 1, 2026
Active · clear
Kihle's H V A C
San Marcos, CA · CSLB #884617 · as of July 1, 2026
Active · clear
Killen Mechanical INC
Livermore, CA · CSLB #1034453 · as of July 1, 2026
Active · clear
Kimball Air Conditioning & Heating
Wilseyville, CA · CSLB #710009 · as of July 1, 2026
Active · clear
Kimber Heat And Air
Cameron Park, CA · CSLB #1073065 · as of July 1, 2026
Active · clear
Wayne M Kimbrough Electric Heating A /C & Ref
Pomona, CA · CSLB #826517 · as of July 1, 2026
Active · clear
Kim's Service
Corona, CA · CSLB #788058 · as of July 1, 2026
Active · clear
Kinetic Air INC
Murrieta, CA · CSLB #1034636 · as of July 1, 2026
Active · clear
Kinetic Climate
Gardena, CA · CSLB #1135115 · as of July 1, 2026
Active · clear
Kingdom Cooling Heating And Air Conditioning Service Incorporated
Visalia, CA · CSLB #1121143 · as of July 1, 2026
Active · clear
King Heating & Air Conditioning
Bakersfield, CA · CSLB #918222 · as of July 1, 2026
Active · clear
Kingman Plumbing Heating & Air INC
City Of Industry, CA · CSLB #781087 · as of July 1, 2026
Active · clear
King Price Heating And Cooling
East Palo Alto, CA · CSLB #1144816 · as of July 1, 2026
Active · clear
Kingram Mechanical
San Diego, CA · CSLB #1038073 · as of July 1, 2026
Active · clear
King's Air
Fullerton, CA · CSLB #1120216 · as of July 1, 2026
Active · clear
Kings Comfort & Climate Solutions INC
Lancaster, CA · CSLB #1142219 · as of July 1, 2026
Active · clear
Kings Heating And Air
Sacramento, CA · CSLB #1126352 · as of July 1, 2026
Active · clear
Steven King Plumbing Service
Chula Vista, CA · CSLB #829491 · as of July 1, 2026
Active · clear
King Unlimited
Glendora, CA · CSLB #523208 · as of July 1, 2026
Active · clear
Dave Kirk Heating & Air Conditioning INC
Whittier, CA · CSLB #407287 · as of July 1, 2026
Active · clear
Kirks A C & Heating
Lakewood, CA · CSLB #553209 · as of July 1, 2026
Active · clear
Kite's Quality Heating & Air Service
Poway, CA · CSLB #715850 · as of July 1, 2026
Active · clear
Kj's Heating And Air INC
Wildomar, CA · CSLB #1012328 · as of July 1, 2026
Active · clear
K&K HVAC Services INC
Chino, CA · CSLB #1153735 · as of July 1, 2026
Active · clear
Richard Kleckner Plumbing Heating & Air Conditioning
Huntington Beach, CA · CSLB #922685 · as of July 1, 2026
Active · clear
Kleen Air INC
Lincoln, CA · CSLB #481974 · as of July 1, 2026
Active · clear
Klimate King Heating & Air
Placerville, CA · CSLB #1120249 · as of July 1, 2026
Active · clear
Kline's Kustom Heating & Air INC
Duarte, CA · CSLB #519892 · as of July 1, 2026
Active · clear
KLM HVAC & Refrigeration
Los Alamitos, CA · CSLB #499313 · as of July 1, 2026
Active · clear
Klondike Air INC
Costa Mesa, CA · CSLB #754456 · as of July 1, 2026
Active · clear
Klyn's Heating & Cooling
Turlock, CA · CSLB #1113467 · as of July 1, 2026
Active · clear
KMK Heating & Air
Sebastopol, CA · CSLB #1125625 · as of July 1, 2026
Active · clear
Knappert Heating And Air Conditioning LLC
San Juan Capistrano, CA · CSLB #1122346 · as of July 1, 2026
Active · clear
K N C Air Control INC
Fullerton, CA · CSLB #790011 · as of July 1, 2026
Active · clear
Knight Mechanical Services INC
Laguna Hills, CA · CSLB #714423 · as of July 1, 2026
Active · clear
Knockout Heating And Air
Palmdale, CA · CSLB #1103631 · as of July 1, 2026
Active · clear
Ko-am Refrigeration & Air - Con CO INC
Los Angeles, CA · CSLB #635054 · as of July 1, 2026
Active · clear
Koastal Komfort LLC
Santa Maria, CA · CSLB #1138915 · as of July 1, 2026
Active · clear
Koch Heating & Air Conditioning INC
Murrieta, CA · CSLB #678513 · as of July 1, 2026
Active · clear
Kodiak Heating & Cooling
Brentwood, CA · CSLB #1106198 · as of July 1, 2026
Active · clear
Kody HVAC INC
Glendale, CA · CSLB #1115178 · 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.