Licensed Heating & Air Conditioning (C-20) contractors in California
The California Contractors State License Board (CSLB) lists 8,999 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 June 30, 2026.
Showing 3,781–3,840 of 8,999 contractors
- Active · clearGK Lux Group HVAC INCGlendale, CA · CSLB #1072851 · as of June 30, 2026
- Active · clearG/K Plumbing & Heating INCSan Diego, CA · CSLB #404093 · as of June 30, 2026
- Active · clearGlacial HVAC Pro INCLos Angeles, CA · CSLB #1048108 · as of June 30, 2026
- Active · clearGlacier AirVan Nuys, CA · CSLB #964943 · as of June 30, 2026
- Active · clearGlacier Refrigeration & Air INCSelma, CA · CSLB #672042 · as of June 30, 2026
- Active · clearGladstone Heating & Air Conditioning LLCLakeside, CA · CSLB #931949 · as of June 30, 2026
- Active · clearWalt Glazener Heating & Air ConditioningAgoura, CA · CSLB #474084 · as of June 30, 2026
- Active · clearGlendora Hills Ac And HeatGlendora, CA · CSLB #1123854 · as of June 30, 2026
- Active · clearGlendora Plumbing & Heating INCGlendora, CA · CSLB #388123 · as of June 30, 2026
- Active · clearGL Heating And Air ConditioningMoreno Valley, CA · CSLB #1090911 · as of June 30, 2026
- Active · clearGal Melili DBA G L M Heating And Air ConditioningTarzana, CA · CSLB #845440 · as of June 30, 2026
- Active · clearG L M Heating And Air Conditioning INCReseda, CA · CSLB #1003103 · as of June 30, 2026
- Active · clearGlobal Comfort Heating & AirConcord, CA · CSLB #410905 · as of June 30, 2026
- Active · clearGlobal Heating And Cooling Services INCMilpitas, CA · CSLB #1025424 · as of June 30, 2026
- Active · clearGlobal HVAC ServicesVenice, CA · CSLB #1130707 · as of June 30, 2026
- Active · clearGlobal Mechanical Systems INCAgoura Hills, CA · CSLB #875990 · as of June 30, 2026
- Active · clearGlobal Seasons HVACLos Angeles, CA · CSLB #1044538 · as of June 30, 2026
- Active · clearGlobaltech INCChino Hills, CA · CSLB #1069742 · as of June 30, 2026
- Active · clearGlossinger Mechanical Systems INCCarlsbad, CA · CSLB #1131154 · as of June 30, 2026
- Active · clearGlover & Son Heating & Air Conditioning INCNewark, CA · CSLB #758274 · as of June 30, 2026
- Active · clearG M Air-air Conditioning & Heating INCRancho Mirage, CA · CSLB #424487 · as of June 30, 2026
- Active · clearG M C Heating & Cooling INCUpland, CA · CSLB #1054347 · as of June 30, 2026
- Active · clearGmi MechanicalChula Vista, CA · CSLB #1004988 · as of June 30, 2026
- Active · clearGmsphere AirMorgan Hill, CA · CSLB #936594 · as of June 30, 2026
- Active · clearG N F Services INCSan Diego, CA · CSLB #900616 · as of June 30, 2026
- Active · clearGo Air INCNorth Hollywood, CA · CSLB #811347 · as of June 30, 2026
- Active · clearGochez Plumbing & HVAC INCTorrance, CA · CSLB #1023448 · as of June 30, 2026
- Active · clearGodoy A/c & HeatingLa Puente, CA · CSLB #974094 · as of June 30, 2026
- Active · clearJames T Goff Heating & CoolingSanta Rosa, CA · CSLB #890573 · as of June 30, 2026
- Active · clearGo Green HVAC INCWoodland Hills, CA · CSLB #1006991 · as of June 30, 2026
- Active · clearGoldbaums Air Conditioning And HeatingUpland, CA · CSLB #832367 · as of June 30, 2026
- Active · clearGold Coast Heating & AirLakeside, CA · CSLB #1131517 · as of June 30, 2026
- Active · clearGold Coast Temp ControlCamarillo, CA · CSLB #936392 · as of June 30, 2026
- Active · clearGolden Ac INCReseda, CA · CSLB #1122935 · as of June 30, 2026
- Active · clearGolden AirSan Jose, CA · CSLB #1092022 · as of June 30, 2026
- Active · clearGolden AirStanton, CA · CSLB #885751 · as of June 30, 2026
- Active · clearGolden Air Heating & Cooling INCValley Center, CA · CSLB #1092484 · as of June 30, 2026
- Active · clearGolden Air Systems INCSylmar, CA · CSLB #1144952 · as of June 30, 2026
- Active · clearGolden Bay Heating & Air INCSalinas, CA · CSLB #1088600 · as of June 30, 2026
- Active · clearGolden Bear Heating & AirGilroy, CA · CSLB #1035565 · as of June 30, 2026
- Active · clearGolden Breeze Heating & AirLynwood, CA · CSLB #1059520 · as of June 30, 2026
- Active · clearGolden Comfort MechanicalLakeside, CA · CSLB #1086954 · as of June 30, 2026
- Active · clearGolden EastCanoga Park, CA · CSLB #578367 · as of June 30, 2026
- Active · clearGolden Gate Technical HVACVallejo, CA · CSLB #1078021 · as of June 30, 2026
- Active · clearGolden Hills Heating And AirVacaville, CA · CSLB #943851 · as of June 30, 2026
- Active · clearGolden HVAC Design INCLos Angeles, CA · CSLB #1077801 · as of June 30, 2026
- Active · clearGolden Star Heating And Cooling INCEl Cajon, CA · CSLB #1116058 · as of June 30, 2026
- Active · clearGolden State AireFresno, CA · CSLB #323092 · as of June 30, 2026
- Active · clearGolden State Air SolutionLaguna Niguel, CA · CSLB #1141726 · as of June 30, 2026
- Active · clearGolden State ComfortRedding, CA · CSLB #875779 · as of June 30, 2026
- Active · clearGolden State Comfort Systems INCFairfield, CA · CSLB #1017220 · as of June 30, 2026
- Active · clearGolden State Heating & Air ConditioningPatterson, CA · CSLB #1112383 · as of June 30, 2026
- Active · clearGolden State Heating And Air INCChula Vista, CA · CSLB #1119797 · as of June 30, 2026
- Active · clearGolden State HVACSun Valley, CA · CSLB #1139479 · as of June 30, 2026
- Active · clearGolden State H V A CSylmar, CA · CSLB #958096 · as of June 30, 2026
- Active · clearGolden State HVAC Mechanical INCLa Verne, CA · CSLB #1115026 · as of June 30, 2026
- Active · clearGolden State Mechanical Air Conditioning & Heating CompanySelma, CA · CSLB #929887 · as of June 30, 2026
- Active · clearGolden State Plumbing And HeatingTorrance, CA · CSLB #1062723 · as of June 30, 2026
- Active · clearGolden State Sheet MetalForestville, CA · CSLB #679382 · as of June 30, 2026
- Active · clearGolden Valley Heating & AirChowchilla, CA · CSLB #1136196 · as of June 30, 2026
Data sourced from the California Contractors State License Board (CSLB), current as of June 30, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.