MILL CREEK Sales Tax Overview
As of 2026, MILL CREEK, Washington has an average combined sales tax rate of 10.6%, with rates varying across 4 zip codes from 10.6% to 10.6%. This rate includes the Washington state tax of 6.5% plus applicable county and local taxes.
Different areas within MILL CREEK 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.
MILL CREEK Tax Examples
* Based on average rate of 10.6%. Verify with your exact zip code.
MILL CREEK Zip Codes & Tax Rates
Frequently Asked Questions
What is the sales tax rate in MILL CREEK, WA?
The average sales tax rate in MILL CREEK, WA is 10.6% as of 2026. This includes the 6.5% Washington state tax plus any county and city taxes.
How many zip codes are in MILL CREEK, WA?
MILL CREEK, WA has 4 zip codes in our database: 98012, 98082, 98208, 98296.
How much is sales tax on a $100 purchase in MILL CREEK?
On a $100 purchase in MILL CREEK, WA you would pay approximately $10.60 in sales tax at the average rate of 10.6%, for a total of $110.60.
Is MILL CREEK's sales tax rate higher than the Washington average?
Use our calculator to compare MILL CREEK's rate of 10.6% against other cities in Washington. Visit the Washington state page for the statewide average.