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 5,101–5,160 of 8,995 contractors
- Active · clearLee's Heating & AirPlacerville, CA · CSLB #683482 · as of July 1, 2026
- Active · clearLee's Heating And Air Conditioning COStockton, CA · CSLB #456424 · as of July 1, 2026
- Active · clearLee's Heating And Air CorpPerris, CA · CSLB #498630 · as of July 1, 2026
- Active · clearLee's Sheet Metal Heating & CoolingVallejo, CA · CSLB #600910 · as of July 1, 2026
- Active · clearSukwon LeeCampbell, CA · CSLB #1020965 · as of July 1, 2026
- Active · clearLeesung Heating & Air ConditionBuena Park, CA · CSLB #1062853 · as of July 1, 2026
- Active · clearThomas LeeNorth Hollywood, CA · CSLB #778536 · as of July 1, 2026
- Active · clearYong Gun LeeMoreno Valley, CA · CSLB #1120535 · as of July 1, 2026
- Active · clearLeft Coast AirMenifee, CA · CSLB #1012403 · as of July 1, 2026
- Active · clearLeft Coast Heating And Air ConditioningLivermore, CA · CSLB #1040611 · as of July 1, 2026
- Active · clearLeft Coast Mechanical Heating & AirSan Jose, CA · CSLB #1092267 · as of July 1, 2026
- Active · clearLegacy A/c & HeatingMoreno Valley, CA · CSLB #1011507 · as of July 1, 2026
- Active · clearLegacy AirTulare, CA · CSLB #1150597 · as of July 1, 2026
- Active · clearLegacy Air Hvacr LLCEl Dorado Hills, CA · CSLB #1155634 · as of July 1, 2026
- Active · clearLegacy Heating & AirRohnert Park, CA · CSLB #1154703 · as of July 1, 2026
- Active · clearLegacy Heating & Air INCNorth Hills, CA · CSLB #1042949 · as of July 1, 2026
- Active · clearLegendary Air Heating & CoolingHemet, CA · CSLB #1116121 · as of July 1, 2026
- Active · clearLegendary Mechanical CorporationMalibu, CA · CSLB #1145437 · as of July 1, 2026
- Active · clearLegend Heating And Ac INCSacramento, CA · CSLB #1153738 · as of July 1, 2026
- Active · clearLegends Heating And Air ConditioningTemecula, CA · CSLB #1122771 · as of July 1, 2026
- Active · clearLegit AirLa Habra, CA · CSLB #1129503 · as of July 1, 2026
- Active · clearLe Heating & Air ConditioningSan Jose, CA · CSLB #721329 · as of July 1, 2026
- Active · clearThe Le HVACSan Jose, CA · CSLB #1029372 · as of July 1, 2026
- Active · clearLeland Plumbing Heating & Air CondWindsor, CA · CSLB #848071 · as of July 1, 2026
- Active · clearLe MechanicalSan Jose, CA · CSLB #1121330 · as of July 1, 2026
- Active · clearLemos Martinez MarioBakersfield, CA · CSLB #1043948 · as of July 1, 2026
- Active · clearLemus HVACVacaville, CA · CSLB #1082287 · as of July 1, 2026
- Active · clearLen Air Specialist INCSimi Valley, CA · CSLB #736630 · as of July 1, 2026
- Active · clearLenco Air Conditioning Service IncorporatedLos Angeles, CA · CSLB #287882 · as of July 1, 2026
- Active · clearLenin & Sons INCNorth Hollywood, CA · CSLB #1110343 · as of July 1, 2026
- Active · clearLennon Heating & Air Conditioning INCSonoma, CA · CSLB #486309 · as of July 1, 2026
- Active · clearLennox Aes Holding LLCTallassee, CA · CSLB #1137335 · as of July 1, 2026
- Active · clearLennox National Account Services INCFort Lauderdale, CA · CSLB #902748 · as of July 1, 2026
- Active · clearLentz Air Conditioning & Heating INCSan Clemente, CA · CSLB #628705 · as of July 1, 2026
- Active · clearLeon Air SystemsFairfield, CA · CSLB #875230 · as of July 1, 2026
- Active · clearLeo's Heating & AirSan Bernardino, CA · CSLB #1136176 · as of July 1, 2026
- Active · clearLerman Pros HVAC INCVan Nuys, CA · CSLB #1085495 · as of July 1, 2026
- Active · clearSteven LeWestminster, CA · CSLB #1034308 · as of July 1, 2026
- Active · clearLevel Up Heating And AirChowchilla, CA · CSLB #1140460 · as of July 1, 2026
- Active · clearLevel Up Heating And Air ConditioningHighland, CA · CSLB #1113535 · as of July 1, 2026
- Active · clearChris Levering Heating & Air ConditioningSan Leandro, CA · CSLB #797190 · as of July 1, 2026
- Active · clearLewis Air INCRancho Santa Margarita, CA · CSLB #575873 · as of July 1, 2026
- Active · clearDaniel LewisSanta Clara, CA · CSLB #1083212 · as of July 1, 2026
- Active · clearLewis Mechanical SystemsPico Rivera, CA · CSLB #1038304 · as of July 1, 2026
- Active · clearLex Air Heating & CoolingHesperia, CA · CSLB #1127561 · as of July 1, 2026
- Active · clearLexer Mechanical INCAntelope, CA · CSLB #1145398 · as of July 1, 2026
- Active · clearLey Heating & Air Conditioning INCSan Jacinto, CA · CSLB #745249 · as of July 1, 2026
- Active · clearLG Heating And CoolingRoseville, CA · CSLB #1048653 · as of July 1, 2026
- Active · clearLH Heating And AirNapa, CA · CSLB #1103438 · as of July 1, 2026
- Active · clearLias Mechanical INCOakland, CA · CSLB #817456 · as of July 1, 2026
- Active · clearLiberty Air LLCEncinitas, CA · CSLB #837996 · as of July 1, 2026
- Active · clearLiberty Cooling & Heating INCPhoenix, CA · CSLB #937358 · as of July 1, 2026
- Active · clearLiberty Plumbing & HeatingLos Angeles, CA · CSLB #701083 · as of July 1, 2026
- Active · clearLiberty Plumbing Heating & Air Conditioning INCMurrieta, CA · CSLB #761640 · as of July 1, 2026
- Active · clearChun LiOntario, CA · CSLB #1054025 · as of July 1, 2026
- Active · clearLife Time Air INCGlendale, CA · CSLB #1150892 · as of July 1, 2026
- Active · clearLighter Living COSan Diego, CA · CSLB #998214 · as of July 1, 2026
- Active · clearLighthouse A/c ServiceRialto, CA · CSLB #958467 · as of July 1, 2026
- Active · clearLight House Heating & Cooling INCCanyon Lake, CA · CSLB #1062152 · as of July 1, 2026
- Active · clearLighthouse Plumbing & HeatingGilroy, CA · CSLB #782136 · 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.