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

The California Contractors State License Board (CSLB) lists 4 Heating & Air Conditioning (C-20) contractors in Alamo, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

4 contractors

1. Alco Sheet Metal & Heating INC

   Alamo, CA · CSLB #464367 · as of October 7, 2026
   Active · clear
2. Wes Gardner Heating & A/c

   Alamo, CA · CSLB #921166 · as of October 7, 2026
   Active · clear
3. Massone Mechanical INC

   Alamo, CA · CSLB #615532 · as of October 7, 2026
   Active · clear
4. Super Cool Mechanical INC

   Alamo, CA · CSLB #943999 · 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.