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 October 6, 2026.

3 contractors

1. Acz Mechanical INC

   Forestville, CA · CSLB #1139244 · as of October 6, 2026
   Active · clear
2. William G Avellar Heating And Air Conditioning

   Forestville, CA · CSLB #662900 · as of October 6, 2026
   Active · clear
3. Golden State Sheet Metal

   Forestville, CA · CSLB #679382 · as of October 6, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.