TradeCheck

Licensed HVAC Contractors in California

Every HVAC contractor license on file with the California Contractors State License Board, class C-20, licensed for warm-air heating, ventilating and air conditioning. Status recomputed daily. Last updated August 17, 2026.

12,182licenses on record
12,182active today
0expired
44counties covered

0 of 12,182 HVAC contractors in California (0.0%) currently hold an expired license. That is not a rounding error, it is roughly one in 0 of everyone in the trade. Licenses lapse quietly, and nothing stops an expired licensee from answering the phone and quoting your job.

Browse by county

Los Angeles County2,978 licensed · 0 expiredRiverside County1,175 licensed · 0 expiredOrange County1,054 licensed · 0 expiredSan Diego County913 licensed · 0 expiredSan Bernardino County708 licensed · 0 expiredSacramento County637 licensed · 0 expiredSanta Clara County510 licensed · 0 expiredContra Costa County343 licensed · 0 expiredAlameda County297 licensed · 0 expiredFresno County281 licensed · 0 expiredVentura County248 licensed · 0 expiredKern County245 licensed · 0 expiredStanislaus County211 licensed · 0 expiredPlacer County201 licensed · 0 expiredSan Joaquin County196 licensed · 0 expiredSonoma County189 licensed · 0 expiredSan Mateo County142 licensed · 0 expiredSolano County119 licensed · 0 expiredEl Dorado County114 licensed · 0 expiredTulare County111 licensed · 0 expiredSanta Barbara County99 licensed · 0 expiredSan Francisco County99 licensed · 0 expiredSan Luis Obispo County94 licensed · 0 expiredMerced County83 licensed · 0 expiredMonterey County77 licensed · 0 expiredShasta County76 licensed · 0 expiredButte County70 licensed · 0 expiredYolo County59 licensed · 0 expiredImperial County58 licensed · 0 expiredMadera County48 licensed · 0 expiredSanta Cruz County46 licensed · 0 expiredMarin County44 licensed · 0 expiredNevada County43 licensed · 0 expiredSan Benito County41 licensed · 0 expiredYuba County33 licensed · 0 expiredMendocino County31 licensed · 0 expiredSutter County29 licensed · 0 expiredKings County29 licensed · 0 expiredNapa County28 licensed · 0 expiredHumboldt County24 licensed · 0 expiredLake County20 licensed · 0 expiredCalaveras County20 licensed · 0 expiredTuolumne County19 licensed · 0 expiredSiskiyou County17 licensed · 0 expired

What a HVAC contractor license does and does not tell you

A current license means the CSLB has confirmed this person met the state's competency and examination requirements and has kept the registration paid up. It does not mean they carry liability insurance, that their work is warrantied, or that previous customers were happy. Verify the license here, then ask for a certificate of insurance and references separately.