SeaTac, WashingtonSales Tax Rate 2025

SeaTac is located in King County, Washington. SeaTac sales tax rate is 10.2%

The total sales tax rate in SeaTac comprises the Washington state tax. The city also imposes an additional sales tax of 3.7%. The table below provides a breakdown of the sales tax rate by jurisdiction.

Combined Sales Tax Rate	10.20%
Washington	6.50%
King County	0.00%
SeaTac	3.70%
District / Special Tax	0.00%

SeaTac Sales Tax Calculator

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The TaxHero sales tax calculator provides a combined sales tax rate based on a full address lookup. A complete address ensures precision since ZIP codes may cross different tax jurisdictions. Results are for reference and may need additional context for compliance. Contact us today for a demo and learn how TaxHero can support your business.

SeaTac District and Special Tax Rates+

To help you identify the correct sales tax rate in SeaTac, you may look up the sales tax rate by address and ZIP code in our calculator.

SeaTac Tax Business Resources Department Contact Information+

State: Washington Department of Revenue
City: SeaTac Tax Business Resources Department
Contact: (206) 973-4800

ZIP codes in SeaTac, WA+

98148 98158 98168 98188 98198

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