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🧾 Seattle, WA

Seattle Sales Tax Calculator

Combined rate: 10.35% — 6.5% state + 3.85% local

⚠️ Disclaimer: Tax rates shown are approximate and may have changed. Rates were last verified February 2026. Always confirm with your local tax authority for the most current rate. The tax rate field below is editable — update it to match your exact local rate.

Seattle, Washington Sales Tax

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Tax per $100

Common Purchases in Seattle

$25 purchase$27.59
$50 purchase$55.17
$100 purchase$110.35
$250 purchase$275.88
$500 purchase$551.75
$1000 purchase$1103.50

Seattle, Washington Sales Tax Rate

The combined sales tax rate in Seattle, Washington is 10.35% (6.5% state + 3.85% local). This means a $100 purchase costs $110.35 after tax, with $10.35 going to sales tax.

Washington's base state rate is 6.5%. Seattle's combined rate of 10.35% includes both state and local taxes. Rates can change — the tax rate field above is editable so you can enter the exact rate for your specific location.

← Washington Sales Tax · All State Rates · Sales Tax Calculator

More Washington Cities

Spokane 8.9%Tacoma 10.3%Vancouver 8.6%Bellevue 10.25%Kent 10.2%Everett 9.8%Renton 10.2%Spokane Valley 8.9%Olympia 9.0%

Tax Planning in Seattle, Washington

Understanding your tax obligations in Seattle helps you plan your finances effectively. As a resident of Washington, you benefit from no state income tax, which means your federal tax burden is your primary concern. This gives Seattle residents a meaningful take-home pay advantage over similar earners in states with income tax.

Federal tax basics: The US uses a progressive tax system where income is taxed at increasing rates across seven brackets, from 10% up to 37%. For a Seattle resident earning $42,000 annually, the federal tax applies as 10% on the first portion and 12% on the rest, resulting in about 11.3% effective. This effective rate is solidly in the 12% bracket territory for most of the income. Understanding this distinction between marginal and effective rates is essential when calculating your total tax burden alongside WA state taxes and the 10.35% local sales tax rate.

Local considerations for Seattle: Beyond federal and state taxes, some cities and counties impose local income taxes, payroll taxes, or occupational taxes. Property taxes in Seattle also affect your overall tax burden if you own a home. When comparing take-home pay between cities, factor in all tax layers plus the local cost of living for the complete financial picture.

Maximizing deductions: Common deductions that reduce taxable income include mortgage interest, state and local taxes (up to $10,000 SALT cap), charitable contributions, and student loan interest. For Seattle residents, the lack of state income tax means the SALT deduction is limited to property and sales taxes. Compare the standard deduction ($14,600 single / $29,200 married) against your itemized total to determine which saves more.