Licensed Heating & Air Conditioning (C-20) contractors in Tuolumne, CA

The California Contractors State License Board (CSLB) lists 2 Heating & Air Conditioning (C-20) contractors in Tuolumne, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

2 contractors

1. Betzler Heating & Air Conditioning

   Tuolumne, CA · CSLB #815862 · as of October 7, 2026
   Active · clear
2. Nolte Heating And Cooling

   Tuolumne, CA · CSLB #822147 · as of October 7, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.