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
- Active · clearKendrick Mechanical Services INCLoomis, CA · CSLB #1119777 · as of July 1, 2026
- Active · clearKendrick's Heating & Air Conditioning INCLong Beach, CA · CSLB #978767 · as of July 1, 2026
- Active · clearKenneth's Heating & AirAtascadero, CA · CSLB #975995 · as of July 1, 2026
- Active · clearKennies Indoor Comfort Specialists INCHanford, CA · CSLB #524878 · as of July 1, 2026
- Active · clearKenn's A/cWest Covina, CA · CSLB #1064099 · as of July 1, 2026
- Active · clearKen's AirAcampo, CA · CSLB #961058 · as of July 1, 2026
- Active · clearSean L KentVisalia, CA · CSLB #1014521 · as of July 1, 2026
- Active · clearKenyon & Sons INCRancho Cordova, CA · CSLB #292946 · as of July 1, 2026
- Active · clearKeoni Heating And Air ConditioningRoseville, CA · CSLB #768186 · as of July 1, 2026
- Active · clearKern County Elite PlumbingBakersfield, CA · CSLB #1139139 · as of July 1, 2026
- Active · clearKevco Service CorpSunland, CA · CSLB #939118 · as of July 1, 2026
- Active · clearKevin's Heating And AirSutter, CA · CSLB #1035820 · as of July 1, 2026
- Active · clearKey Heating And Air ConditioningWest Hills, CA · CSLB #594949 · as of July 1, 2026
- Active · clearKey Mechanical CompanyLivermore, CA · CSLB #813609 · as of July 1, 2026
- Active · clearKeyson Mechanical LLCWhittier, CA · CSLB #1120637 · as of July 1, 2026
- Active · clearKeystone Mechanical LLCCampbell, CA · CSLB #1028816 · as of July 1, 2026
- Active · clearKFM 247 LLCWoodbine, CA · CSLB #1133459 · as of July 1, 2026
- Active · clearKG Air INCJurupa Valley, CA · CSLB #1087005 · as of July 1, 2026
- Active · clearKhai Heating And Air ConditioningSan Jose, CA · CSLB #994721 · as of July 1, 2026
- Active · clearMichael KieferRiverside, CA · CSLB #824601 · as of July 1, 2026
- Active · clearKihle's H V A CSan Marcos, CA · CSLB #884617 · as of July 1, 2026
- Active · clearKillen Mechanical INCLivermore, CA · CSLB #1034453 · as of July 1, 2026
- Active · clearKimball Air Conditioning & HeatingWilseyville, CA · CSLB #710009 · as of July 1, 2026
- Active · clearKimber Heat And AirCameron Park, CA · CSLB #1073065 · as of July 1, 2026
- Active · clearWayne M Kimbrough Electric Heating A /C & RefPomona, CA · CSLB #826517 · as of July 1, 2026
- Active · clearKim's ServiceCorona, CA · CSLB #788058 · as of July 1, 2026
- Active · clearKinetic Air INCMurrieta, CA · CSLB #1034636 · as of July 1, 2026
- Active · clearKinetic ClimateGardena, CA · CSLB #1135115 · as of July 1, 2026
- Active · clearKingdom Cooling Heating And Air Conditioning Service IncorporatedVisalia, CA · CSLB #1121143 · as of July 1, 2026
- Active · clearKing Heating & Air ConditioningBakersfield, CA · CSLB #918222 · as of July 1, 2026
- Active · clearKingman Plumbing Heating & Air INCCity Of Industry, CA · CSLB #781087 · as of July 1, 2026
- Active · clearKing Price Heating And CoolingEast Palo Alto, CA · CSLB #1144816 · as of July 1, 2026
- Active · clearKingram MechanicalSan Diego, CA · CSLB #1038073 · as of July 1, 2026
- Active · clearKing's AirFullerton, CA · CSLB #1120216 · as of July 1, 2026
- Active · clearKings Comfort & Climate Solutions INCLancaster, CA · CSLB #1142219 · as of July 1, 2026
- Active · clearKings Heating And AirSacramento, CA · CSLB #1126352 · as of July 1, 2026
- Active · clearSteven King Plumbing ServiceChula Vista, CA · CSLB #829491 · as of July 1, 2026
- Active · clearKing UnlimitedGlendora, CA · CSLB #523208 · as of July 1, 2026
- Active · clearDave Kirk Heating & Air Conditioning INCWhittier, CA · CSLB #407287 · as of July 1, 2026
- Active · clearKirks A C & HeatingLakewood, CA · CSLB #553209 · as of July 1, 2026
- Active · clearKite's Quality Heating & Air ServicePoway, CA · CSLB #715850 · as of July 1, 2026
- Active · clearKj's Heating And Air INCWildomar, CA · CSLB #1012328 · as of July 1, 2026
- Active · clearK&K HVAC Services INCChino, CA · CSLB #1153735 · as of July 1, 2026
- Active · clearRichard Kleckner Plumbing Heating & Air ConditioningHuntington Beach, CA · CSLB #922685 · as of July 1, 2026
- Active · clearKleen Air INCLincoln, CA · CSLB #481974 · as of July 1, 2026
- Active · clearKlimate King Heating & AirPlacerville, CA · CSLB #1120249 · as of July 1, 2026
- Active · clearKline's Kustom Heating & Air INCDuarte, CA · CSLB #519892 · as of July 1, 2026
- Active · clearKLM HVAC & RefrigerationLos Alamitos, CA · CSLB #499313 · as of July 1, 2026
- Active · clearKlondike Air INCCosta Mesa, CA · CSLB #754456 · as of July 1, 2026
- Active · clearKlyn's Heating & CoolingTurlock, CA · CSLB #1113467 · as of July 1, 2026
- Active · clearKMK Heating & AirSebastopol, CA · CSLB #1125625 · as of July 1, 2026
- Active · clearKnappert Heating And Air Conditioning LLCSan Juan Capistrano, CA · CSLB #1122346 · as of July 1, 2026
- Active · clearK N C Air Control INCFullerton, CA · CSLB #790011 · as of July 1, 2026
- Active · clearKnight Mechanical Services INCLaguna Hills, CA · CSLB #714423 · as of July 1, 2026
- Active · clearKnockout Heating And AirPalmdale, CA · CSLB #1103631 · as of July 1, 2026
- Active · clearKo-am Refrigeration & Air - Con CO INCLos Angeles, CA · CSLB #635054 · as of July 1, 2026
- Active · clearKoastal Komfort LLCSanta Maria, CA · CSLB #1138915 · as of July 1, 2026
- Active · clearKoch Heating & Air Conditioning INCMurrieta, CA · CSLB #678513 · as of July 1, 2026
- Active · clearKodiak Heating & CoolingBrentwood, CA · CSLB #1106198 · as of July 1, 2026
- Active · clearKody HVAC INCGlendale, CA · CSLB #1115178 · as of July 1, 2026
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.