SOAP LAKE Sales Tax Overview
As of 2026, SOAP LAKE, Washington has a combined sales tax rate of 8.4%. This rate includes the Washington state tax of 6.5% plus applicable county and local taxes.
This rate applies to most taxable goods and services purchased within the 98851 zip code area. Some items such as groceries, prescription drugs, and clothing may be exempt depending on Washington state law.
SOAP LAKE Tax Examples
* Based on rate of 8.4%. Verify with your exact zip code.
SOAP LAKE Zip Codes & Tax Rates
| Zip Code | Combined |
|---|---|
| 98851 | 8.4% |
Frequently Asked Questions
What is the sales tax rate in SOAP LAKE, WA?
The sales tax rate in SOAP LAKE, WA is 8.4% as of 2026. This includes the 6.5% Washington state tax plus any county and city taxes.
How many zip codes are in SOAP LAKE, WA?
SOAP LAKE, WA has 1 zip code in our database: 98851.
How much is sales tax on a $100 purchase in SOAP LAKE?
On a $100 purchase in SOAP LAKE, WA you would pay approximately $8.40 in sales tax at the average rate of 8.4%, for a total of $108.40.
Is SOAP LAKE's sales tax rate higher than the Washington average?
Use our calculator to compare SOAP LAKE's rate of 8.4% against other cities in Washington. Visit the Washington state page for the statewide average.