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

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

2 contractors

1. Mechanical Insulation Systems INC

   Redlands, CA · CSLB #1127254 · as of October 6, 2026
   Active · clear
2. Tri-city Acoustics INC DBA Tri-city Insulation

   Redlands, CA · CSLB #537859 · 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.