LIBERTY LAKE Sales Tax Overview
As of 2026, LIBERTY LAKE, Washington has an average combined sales tax rate of 9%, with rates varying across 2 zip codes from 9% to 9%. This rate includes the Washington state tax of 6.5% plus applicable county and local taxes.
Different areas within LIBERTY LAKE may have different rates due to special tax districts, transit authority taxes, or other local levies. It is important to use your exact zip code when calculating taxes for purchases, business filings, or compliance purposes.
LIBERTY LAKE Tax Examples
* Based on average rate of 9%. Verify with your exact zip code.
LIBERTY LAKE Zip Codes & Tax Rates
Frequently Asked Questions
What is the sales tax rate in LIBERTY LAKE, WA?
The average sales tax rate in LIBERTY LAKE, WA is 9% as of 2026. This includes the 6.5% Washington state tax plus any county and city taxes.
How many zip codes are in LIBERTY LAKE, WA?
LIBERTY LAKE, WA has 2 zip codes in our database: 99016, 99019.
How much is sales tax on a $100 purchase in LIBERTY LAKE?
On a $100 purchase in LIBERTY LAKE, WA you would pay approximately $9.00 in sales tax at the average rate of 9%, for a total of $109.00.
Is LIBERTY LAKE's sales tax rate higher than the Washington average?
Use our calculator to compare LIBERTY LAKE's rate of 9% against other cities in Washington. Visit the Washington state page for the statewide average.