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 2, 2026.
Showing 5,341–5,400 of 8,995 contractors
- Active · clearMancuso Air ServicesStockton, CA · CSLB #985335 · as of July 2, 2026
- Active · clearCharlie Mandujano FloresHuntington Beach, CA · CSLB #1083592 · as of July 2, 2026
- Active · clearMannino Heating & CoolingOceanside, CA · CSLB #849183 · as of July 2, 2026
- Active · clearMann's Heating And Air ConPlymouth, CA · CSLB #885785 · as of July 2, 2026
- Active · clearManny's Heating & Air ConditioningHuntington Park, CA · CSLB #1003916 · as of July 2, 2026
- Active · clearManny's Heating And Air INCTracy, CA · CSLB #968946 · as of July 2, 2026
- Active · clearManny Vargas Air Conditioning & Heating INCIndio, CA · CSLB #859195 · as of July 2, 2026
- Active · clearMan's Air Conditioning & HeatingAnaheim, CA · CSLB #695937 · as of July 2, 2026
- Active · clearMansheim H V A CSan Diego, CA · CSLB #1051053 · as of July 2, 2026
- Active · clearManzo Heating And AirFontana, CA · CSLB #859825 · as of July 2, 2026
- Active · clearFaisal ManzoorMoreno Valley, CA · CSLB #948477 · as of July 2, 2026
- Active · clearMichael Ross MapesLakewood, CA · CSLB #1000142 · as of July 2, 2026
- Active · clearMarasigan Heating And AirFairfield, CA · CSLB #1074318 · as of July 2, 2026
- Active · clearMarat GareevGilroy, CA · CSLB #1141223 · as of July 2, 2026
- Active · clearMarathon Mechanical INCLa Verne, CA · CSLB #1000799 · as of July 2, 2026
- Active · clearM A R C 2 HVACEl Cajon, CA · CSLB #1013893 · as of July 2, 2026
- Active · clearMarc Ac Specialized CorpThermal, CA · CSLB #1137212 · as of July 2, 2026
- Active · clearMarcos Air ConditioningOntario, CA · CSLB #950285 · as of July 2, 2026
- Active · clearMarco's Heating And AirDuarte, CA · CSLB #727611 · as of July 2, 2026
- Active · clearMarcucci Heating And Air Conditioning INCRedwood City, CA · CSLB #856600 · as of July 2, 2026
- Active · clearMarcus Air ConditioningPlumas Lake, CA · CSLB #1130983 · as of July 2, 2026
- Active · clearMarc Wilmers Heating & Air ConditioningValencia, CA · CSLB #703861 · as of July 2, 2026
- Active · clearMarina Heating Ventilation Air ConditioningIrvine, CA · CSLB #943386 · as of July 2, 2026
- Active · clearMarin Air LLCRiverside, CA · CSLB #1143178 · as of July 2, 2026
- Active · clearMariner Cooler Center INCFresno, CA · CSLB #832923 · as of July 2, 2026
- Active · clearMarin Heating And AirFairfax, CA · CSLB #1074408 · as of July 2, 2026
- Active · clearMarin Sheet MetalNovato, CA · CSLB #472792 · as of July 2, 2026
- Active · clearMariohvac LLCFontana, CA · CSLB #1118363 · as of July 2, 2026
- Active · clearMarion Heating & Air Conditioning INCWoodland Hills, CA · CSLB #775254 · as of July 2, 2026
- Active · clearMario's Air ConditioningLos Angeles, CA · CSLB #919126 · as of July 2, 2026
- Active · clearMario's Air Conditioning INCLa Quinta, CA · CSLB #881884 · as of July 2, 2026
- Active · clearMario's Comfort Heating & Cooling INCFresno, CA · CSLB #1105761 · as of July 2, 2026
- Active · clearMariposa Mechanical ServiceMariposa, CA · CSLB #842033 · as of July 2, 2026
- Active · clearMarkair HVACChino, CA · CSLB #1119129 · as of July 2, 2026
- Active · clearMarket Mechanical HvacrBurlingame, CA · CSLB #1059312 · as of July 2, 2026
- Active · clearMarkos Heating And Air ConditioningLancaster, CA · CSLB #1141802 · as of July 2, 2026
- Active · clearMark's A / C ServicesAlta Loma, CA · CSLB #828077 · as of July 2, 2026
- Active · clearMark's Air ConditioningRiverside, CA · CSLB #507338 · as of July 2, 2026
- Active · clearMark's Air Conditioning And HeatingMission Hills, CA · CSLB #949932 · as of July 2, 2026
- Active · clearMarks Heating & Air INCEl Cajon, CA · CSLB #995729 · as of July 2, 2026
- Active · clearMark's Heating & CoolingSimi Valley, CA · CSLB #748445 · as of July 2, 2026
- Active · clearMarlett Mechanical & SuppliesSan Diego, CA · CSLB #865626 · as of July 2, 2026
- Active · clearMarlin Heating And Air LLCOrange, CA · CSLB #1094884 · as of July 2, 2026
- Active · clearMarquez Heating & CoolingPorterville, CA · CSLB #978968 · as of July 2, 2026
- Active · clearRoberto MarquezYucaipa, CA · CSLB #1142952 · as of July 2, 2026
- Active · clearMarraccini Plumbing Heating Cooling & Controls INCYerington, CA · CSLB #1120201 · as of July 2, 2026
- Active · clearMartcor Heating & Air INCSan Jose, CA · CSLB #1152630 · as of July 2, 2026
- Active · clearMichael MartelLa Verne, CA · CSLB #917443 · as of July 2, 2026
- Active · clearMar - TempTemecula, CA · CSLB #912383 · as of July 2, 2026
- Active · clearMartin A / CWoodland Hills, CA · CSLB #829450 · as of July 2, 2026
- Active · clearThe K Company Incorporated DBA The C J Martin HVAC CompanyAkron, CA · CSLB #989846 · as of July 2, 2026
- Active · clearMartinell's Heating & Air ConditioningSan Bernardino, CA · CSLB #863144 · as of July 2, 2026
- Active · clearMartinez Climate ControlSan Dimas, CA · CSLB #922415 · as of July 2, 2026
- Active · clearMartinez Heating & Air Conditioning INCMerced, CA · CSLB #803946 · as of July 2, 2026
- Active · clearMartinez Heating And AirEscondido, CA · CSLB #1106400 · as of July 2, 2026
- Active · clearJuan Eloy MartinezShafter, CA · CSLB #1084998 · as of July 2, 2026
- Active · clearPablo MartinezTracy, CA · CSLB #981460 · as of July 2, 2026
- Active · clearRicardo Martinez Heating And AirReseda, CA · CSLB #1072065 · as of July 2, 2026
- Active · clearRolando Oriel MartinezChico, CA · CSLB #1026086 · as of July 2, 2026
- Active · clearSantiago Alexander MartinezNorth Hills, CA · CSLB #1118300 · as of July 2, 2026
Data sourced from the California Contractors State License Board (CSLB), current as of July 2, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.