Lewis County, Washington Sales Tax Rate
The combined sales tax rate in Lewis County, Washington in this reference snapshot is 8% as of October 1, 2026. That includes the Washington state rate of 6.5%.
This is a historical rate snapshot, not a current address-specific tax determination. Confirm current rates with the state before use; the snapshot source may describe an earlier period.
Literal combined state (6.5%) and local rate for the DOR location code.
Unincorporated-area rate.
Sales tax calculator for Lewis County
Uses the reference rate as of October 1, 2026. Unincorporated-area rate
- Sales tax (8%)
- $8.00
- Total with tax
- $108.00
How this rate is composed
The Washington state sales tax rate is 6.5%. The combined 8% rate for Lewis County comes from Washington DOR local sales & use tax rates (Q4 2026) (2026-10-01 to 2026-12-31).
County rows are the unincorporated-area rate; incorporated cities are listed separately.
Rates change on official schedules — confirm the current rate and effective date against the source above before filing. Guide reviewed October 20, 2026; rate snapshot dated October 1, 2026.
Managing tax for a business?
A local rate lookup is a starting point. For ongoing sales, choose the calculation engine to determine tax in your system, or compliance software to review a period and prepare returns. For a one-off address estimate, use the free calculator.
Related local sales tax rates in Washington
Compare the county and same-type jurisdictions with the closest combined rates.
Lewis County sales tax questions
What is the sales tax rate in Lewis County, Washington?
In the 2026-10-01 reference snapshot, the combined sales tax rate is 8%. Unincorporated-area rate It includes the Washington state rate of 6.5% and applicable local rates.
How much sales tax is charged on a $100 purchase in Lewis County?
At the 8% reference rate as of 2026-10-01, a $100 taxable purchase produces $8.00 in sales tax.
When was the Lewis County sales tax rate reviewed?
Prophit.ai reviewed this guide on 2026-10-20 against its dated source, Washington DOR local sales & use tax rates (Q4 2026). The rate snapshot remains dated 2026-10-01; this review does not certify current rates. Confirm the official source before filing because rates can change.