Licensed Insulation & Acoustical (C-2) contractors in Alpine, CA

The California Contractors State License Board (CSLB) lists 3 Insulation & Acoustical (C-2) contractors in Alpine, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

3 contractors

1. Hofstee Drywall

   Alpine, CA · CSLB #766538 · as of June 27, 2026
   Active · clear
2. Integrity Specialty Contracting LLC

   Alpine, CA · CSLB #1109416 · as of June 27, 2026
   Active · clear
3. Swplumbinc

   Alpine, CA · CSLB #1008750 · 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.