WA tax rulesSeattle

Seattle, WA Sales Tax (2026)

Verified May 31, 2026

Combined sales tax 10.55% (6.5% WA state + 4.05% King County/city/transit) — rose from 10.35% on Jan 1, 2026; among the highest in the US.

Official source: dor.wa.gov

General legal information, not legal advice — verify important decisions with a licensed professional.

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