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 June 27, 2026.

2 contractors

1. Mechanical Insulation Systems INC

   Redlands, CA · CSLB #1127254 · as of June 27, 2026
   Active · clear
2. Tri-city Acoustics INC DBA Tri-city Insulation

   Redlands, CA · CSLB #537859 · 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.