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BACKFLOW SPECIALTY in Mercer Island, WA

1 records with this specialty and Mercer Island as their locality of record, from L&I's records, as of November 3, 2026.

Source: Washington State Department of Labor & Industries (L&I) — records as of November 3, 2026. Records change; the board’s own L&I Verify a Contractor is the current source.

Narrow this list by facts — each record either has the fact in the board’s records or it doesn’t.Filters combine; the order stays alphabetical.

Current status — the board's own words
Bond

BACKFLOW SPECIALTY in Mercer Island, WA — License Records | LicenseOfRecord