Licensed Heating & Air Conditioning (C-20) contractors in California
The California Contractors State License Board (CSLB) lists 8,936 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 October 8, 2026.
Showing 7,201–7,260 of 8,936 contractors
- Active · clearSharony HVAC Services LLCHuntington Beach, CA · CSLB #1092895 · as of October 8, 2026
- Active · clearShasta Heating & Air Conditioning INCRedding, CA · CSLB #1096792 · as of October 8, 2026
- Active · clearShasta HVAC Specialists INCRedding, CA · CSLB #1068174 · as of October 8, 2026
- Active · clearDanny L Shaw Heating & Air ConditioningCeres, CA · CSLB #444522 · as of October 8, 2026
- Active · clearShawn Lambert HVACHuntington Beach, CA · CSLB #1006434 · as of October 8, 2026
- Active · clearSheek Ac/heatingSacramento, CA · CSLB #799585 · as of October 8, 2026
- Active · clearSheet Metal ConstructionElk Grove, CA · CSLB #1005179 · as of October 8, 2026
- Active · clearSheldon Mechanical CorporationSanta Clarita, CA · CSLB #463722 · as of October 8, 2026
- Active · clearSheldon's Heating & Air INCRiverside, CA · CSLB #987412 · as of October 8, 2026
- Active · clearSheltons Unlimited Mechanical Services INCNorth Highlands, CA · CSLB #850223 · as of October 8, 2026
- Active · clearLujian ShenChino, CA · CSLB #1030135 · as of October 8, 2026
- Active · clearShenouda HenesRancho Cucamonga, CA · CSLB #1156738 · as of October 8, 2026
- Active · clearShepherd ServicesArnold, CA · CSLB #1130430 · as of October 8, 2026
- Active · clearShepherd Services INCSanta Rosa, CA · CSLB #749066 · as of October 8, 2026
- Active · clearSherlock Plumbing Heating And CoolingAlpine, CA · CSLB #1116833 · as of October 8, 2026
- Active · clearSherman Heating And Air ConditioningLong Beach, CA · CSLB #1090133 · as of October 8, 2026
- Active · clearSherman's Plumbing Heating & Air ConditioningSan Bernardino, CA · CSLB #312683 · as of October 8, 2026
- Active · clearShideler PlumbingOceanside, CA · CSLB #1003737 · as of October 8, 2026
- Active · clearShipman Mechanical Heating And AirMckinney, CA · CSLB #1157432 · as of October 8, 2026
- Active · clearShoemaker Heating And Air ConditioningOxnard, CA · CSLB #1068921 · as of October 8, 2026
- Active · clearS H Plumbing Heating & Air ConditioningMonrovia, CA · CSLB #707018 · as of October 8, 2026
- Active · clearL R Shrum Heating And A / C INCEl Cajon, CA · CSLB #856297 · as of October 8, 2026
- Active · clearShuntavious Heating & Ac CorpSacramento, CA · CSLB #1088758 · as of October 8, 2026
- Active · clearSi Air Conditioning INCArcadia, CA · CSLB #1084204 · as of October 8, 2026
- Active · clearSiberian Side INCSan Diego, CA · CSLB #1147592 · as of October 8, 2026
- Active · clearSide Show Air ConditioningChula Vista, CA · CSLB #1129468 · as of October 8, 2026
- Active · clearSids Air Conditioning Heating And Refrigeration INCLos Angeles, CA · CSLB #717456 · as of October 8, 2026
- Active · clearSierra AireRancho Cordova, CA · CSLB #978394 · as of October 8, 2026
- Active · clearSierra Great Basin LLCReno, CA · CSLB #1129263 · as of October 8, 2026
- Active · clearJet Duane Trusler DBA Sierra MechanicalRancho Cordova, CA · CSLB #614027 · as of October 8, 2026
- Active · clearSierra Mechanical CorporationRancho Cordova, CA · CSLB #1157197 · as of October 8, 2026
- Active · clearSierra Ridge Heating And AireGranite Bay, CA · CSLB #1151421 · as of October 8, 2026
- Active · clearSiesta Heating And AirApple Valley, CA · CSLB #1160608 · as of October 8, 2026
- Active · clearRussell Sigler INCTolleson, CA · CSLB #960159 · as of October 8, 2026
- Active · clearSigma Appliances INC DBA Sigma HVAC ServicesCapistrano Beach, CA · CSLB #1070652 · as of October 8, 2026
- Active · clearE C Sigmon INCChatsworth, CA · CSLB #690166 · as of October 8, 2026
- Active · clearSignal Heating & Air ConditioningLivermore, CA · CSLB #638992 · as of October 8, 2026
- Active · clearSignal Mechanical INCSignal Hill, CA · CSLB #571650 · as of October 8, 2026
- Active · clearSignet Controls INCThousand Oaks, CA · CSLB #912113 · as of October 8, 2026
- Active · clearSilicon Valley Heating And Air INCSan Jose, CA · CSLB #1136550 · as of October 8, 2026
- Active · clearSilicon Valley Mechanical INCSan Jose, CA · CSLB #992731 · as of October 8, 2026
- Active · clearSilva Heating & Air INCSan Martin, CA · CSLB #1102365 · as of October 8, 2026
- Active · clearSilverbacq Air & HeatingBakersfield, CA · CSLB #1081804 · as of October 8, 2026
- Active · clearSilver Fox Cooling And HeatingIrvine, CA · CSLB #1136295 · as of October 8, 2026
- Active · clearSimi Heating & Air INCStockton, CA · CSLB #1076984 · as of October 8, 2026
- Active · clearSimmons Air INCLa Quinta, CA · CSLB #780534 · as of October 8, 2026
- Active · clearSimon Air Conditioning And HeatingLakeside, CA · CSLB #908441 · as of October 8, 2026
- Active · clearSimon Air INCValley Village, CA · CSLB #852561 · as of October 8, 2026
- Active · clearSimon's Air Condtioning And Heating INCParamount, CA · CSLB #1118814 · as of October 8, 2026
- Active · clearZaven SimonyanValley Glen, CA · CSLB #1008776 · as of October 8, 2026
- Active · clearSimple AirTorrance, CA · CSLB #869488 · as of October 8, 2026
- Active · clearPipe Doctors Plumbing INC DBA Simple Water HeaterSherman Oaks, CA · CSLB #1048568 · as of October 8, 2026
- Active · clearSimplified MechanicalOrange, CA · CSLB #1055172 · as of October 8, 2026
- Active · clearSimpson Mechanical INCEscondido, CA · CSLB #859044 · as of October 8, 2026
- Active · clearSimpson Sheet Metal INCSanta Rosa, CA · CSLB #416913 · as of October 8, 2026
- Active · clearSims Heating And Air ConditioningPaso Robles, CA · CSLB #1161108 · as of October 8, 2026
- Active · clearSinclair Air SystemsLa Verne, CA · CSLB #724978 · as of October 8, 2026
- Active · clearSinclair Heating And AirWestminster, CA · CSLB #1134875 · as of October 8, 2026
- Active · clearSingh Air-conditioning And HeatingRipon, CA · CSLB #1103947 · as of October 8, 2026
- Active · clearSingh Air SystemsHayward, CA · CSLB #1140661 · as of October 8, 2026
Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.