Backflow Specialty contractors in Tacoma, WA

4 contractors · Updated Aug 13, 2026

Backflow specialty contractors install and service the backflow prevention assemblies that keep contaminants out of drinking water lines. Washington currently lists 4 Backflow Specialty contractors registered in Tacoma.

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Built from Washington State L&I public records, updated Aug 13, 2026. No star ratings or reviews — verification only.