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

The California Contractors State License Board (CSLB) lists 5 Heating & Air Conditioning (C-20) contractors in Alamo, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

5 contractors

1. Alco Sheet Metal & Heating INC

   Alamo, CA · CSLB #464367 · as of June 27, 2026
   Active · clear
2. Wes Gardner Heating & A/c

   Alamo, CA · CSLB #921166 · as of June 27, 2026
   Active · clear
3. Massone Mechanical INC

   Alamo, CA · CSLB #615532 · as of June 27, 2026
   Active · clear
4. Super Cool Mechanical INC

   Alamo, CA · CSLB #943999 · as of June 27, 2026
   Active · clear
5. Bay Quality Comfort

   Alamo, CA · CSLB #1141682 · as of June 27, 2026
   Suspended · bond

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Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.