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

The California Contractors State License Board (CSLB) lists 3 Heating & Air Conditioning (C-20) contractors in Forestville, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

3 contractors

1. Acz Mechanical INC

   Forestville, CA · CSLB #1139244 · as of June 27, 2026
   Active · clear
2. William G Avellar Heating And Air Conditioning

   Forestville, CA · CSLB #662900 · as of June 27, 2026
   Active · clear
3. Golden State Sheet Metal

   Forestville, CA · CSLB #679382 · as of June 27, 2026
   Active · clear

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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.