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

The California Contractors State License Board (CSLB) lists 8 Insulation & Acoustical (C-2) contractors in Livermore, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

8 contractors

1. Anthon Incorporated

   Livermore, CA · CSLB #952663 · as of October 6, 2026
   Active · clear
2. Blue Phoenix Contracting LLC

   Livermore, CA · CSLB #1113076 · as of October 6, 2026
   Active · clear
3. Guardian Firestop And Insulation LLC

   Livermore, CA · CSLB #1125232 · as of October 6, 2026
   Active · clear
4. Insultech Contracting LLC

   Livermore, CA · CSLB #1111192 · as of October 6, 2026
   Active · clear
5. J D S Acoustics

   Livermore, CA · CSLB #924525 · as of October 6, 2026
   Active · clear
6. L J Interiors INC

   Livermore, CA · CSLB #605932 · as of October 6, 2026
   Active · clear
7. Marina Mechanical Services

   Livermore, CA · CSLB #416198 · as of October 6, 2026
   Active · clear
8. Polar Coatings Company

   Livermore, CA · CSLB #879973 · 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.