What is the sales tax rate in Sunnyside, Washington?

The combined sales tax rate in Sunnyside, Washington is 8.400% as of 2026. This includes the Washington state rate of 6.500% plus local jurisdiction taxes.

How is the Sunnyside sales tax calculated?

Multiply your purchase amount by 8.400% (or 0.00840) to get the tax owed. For example, a $100 purchase incurs $8.40 in sales tax.

What is the Washington state sales tax rate?

The base Washington state sales tax rate is 6.500%. Local jurisdictions may add additional taxes on top of this rate.

Does Sunnyside have a county sales tax?

Sunnyside does not levy an additional county-level sales tax beyond the state base rate.

When was the Sunnyside sales tax rate last updated?

The Sunnyside sales tax rate was last verified on March 27, 2026. We cross-reference all rates against the official State Department of Revenue data.

Live Data: April 2026

Sunnyside, WA Sales Tax Rate 2026

The combined sales tax rate in Sunnyside, Washington is 8.400%.

Combined Rate 8.400%

State6.500% City1.900%

Sunnyside Sales Tax Breakdown

Jurisdiction	Rate
Washington State Sales Tax	6.500%
City / Municipal Tax	1.900%
Total Combined Rate	8.400%

Which County Is Sunnyside In?

Sunnyside falls within Yakima, Washington. Yakima imposes a 0.900% county-level sales tax in addition to the Washington state base rate.

Sunnyside ZIP Codes

The following ZIP codes are mapped to Sunnyside for sales tax purposes. All listed codes apply the 8.400% combined rate.

98944

Nearby Tax Rates

Grandview 6.8 mi

8.700%

Combined Rate

View Local Rates

Business Nexus in Washington

Economic Nexus Threshold

Selling into Washington from out of state? Once you exceed $100,000 in annual sales or 200 transactions, you must register and collect Washington sales tax.

FAQ: Sunnyside Sales Tax

The combined sales tax rate in Sunnyside, Washington is 8.400% as of 2026.

Multiply your purchase price by 8.400% to find the tax owed. A $500 purchase would include $42.00 in sales tax.

Groceries are generally taxable in Washington. Check the official Department of Revenue for specific exemptions.

Vehicle purchases in Sunnyside are subject to the 8.400% combined rate, though some states apply different rules for vehicle sales. Verify with the Washington Department of Revenue or DMV.

Register for a sales tax permit through the official Washington Department of Revenue website. Registration is typically free and required before collecting any sales tax.

Sales Tax Calculator

Using 8.400% rate for Sunnyside, WA

Purchase Amount ($)

Tax Amount $0.00

Total with Tax $100.00

Rate applied: 8.400% combined

Official Tax Authority

Washington State Department of Revenue

Filing Deadline: Monthly, quarterly, or annual returns. Due dates vary by filing frequency. File via My DOR portal.

Visit Official Portal (800) 647-7706