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

The California Contractors State License Board (CSLB) lists 3 Heating & Air Conditioning (C-20) contractors in Quincy, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

3 contractors

1. Boyd's Heating

   Quincy, CA · CSLB #1118457 · as of October 7, 2026
   Active · clear
2. Heat Transfer Systems LLC

   Quincy, CA · CSLB #1002273 · as of October 7, 2026
   Active · clear
3. Nick's Heating And Refrigeration INC

   Quincy, CA · CSLB #973571 · 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.