Insulation and Acoustical contractors in Spokane Valley, WA

4 contractors · Updated Sep 28, 2026

Insulation contractors install thermal and sound insulation in walls, attics, floors, and ceilings. Washington currently lists 4 Insulation and Acoustical contractors registered in Spokane Valley.

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Insulation Specialists INC

Listed

Insulation And Acoustical · Spokane Valley, WA

License #INSULSI822R1 · $15,000 bond

Spokane Acoustics INC

Listed

Insulation And Acoustical · Spokane Valley, WA

License #SPOKAAI153OS · $15,000 bond

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Built from Washington State L&I public records, updated Sep 28, 2026. Subser doesn't do star ratings or reviews — just verified records.