Calculator /By state /Washington
WA · January 1, 2026
Washington sales tax
Statewide base 6.5%. Typical combined (state + average local)9.51%. 2025 typical combined was 9.429%.
Sales tax calculator
Notes for Washington
High combined rate. Locals (city, transit, public-safety districts) vary; Seattle is well above the state base.
Destination-based for most sales (high-level).
Use the typical-local checkbox to apply 9.51%instead of the 6.5% base. Or type a custom local from a city rate sheet. Highest local add-on reported in the 2026 table is 4.1%.