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

The California Contractors State License Board (CSLB) lists 5 Insulation & Acoustical (C-2) contractors in Oakland, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of August 11, 2026.

5 contractors

1. American Attic

   Oakland, CA · CSLB #1059651 · as of August 11, 2026
   Active · clear
2. HVAC Oren Services LLC

   Oakland, CA · CSLB #1048662 · as of August 11, 2026
   Active · clear
3. Johnson's Insulation

   Oakland, CA · CSLB #1051108 · as of August 11, 2026
   Active · clear
4. Mccoy Insulation

   Oakland, CA · CSLB #864203 · as of August 11, 2026
   Active · clear
5. Pacific States Insulation & Acoustical Contracting INC

   Oakland, CA · CSLB #939943 · as of August 11, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of August 11, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.