What is the sales tax rate in King County, WA?

The average sales tax rate in King County (WA) is 10.26%, with jurisdictions ranging between 8.90% and 10.60%.

King County • Washington (WA)

119 ZIP Code

Streamlined Sales Tax (SST) Member

King County, WA Sales Tax Rates 2026

2026 sales tax rate guide for King County, WA. Average combined tax rate is 10.26% with local jurisdictions ranging up to 10.60%.

Average Combined Rate

10.26%

Estimated Tax Range: 8.90% - 10.60%

⚡ Direct Tax Answer & Key Takeaway

As of 2026, the local county sales tax rate in King County (Washington) is 3.80%. Combined sales tax rates across cities in this county range from 8.90% to 10.60% (averaging 10.26%).

County Tax

3.80%

Average Combined Rate

10.26%

Max Local Rate

10.60%

Indexed Cities

Cities & Towns in King County

City	Combined Sales Tax Rate	Action
Seattle	10.55%	View Tax Rates →
Bellevue	10.30%	View Tax Rates →
Kent	10.40%	View Tax Rates →
Renton	10.50%	View Tax Rates →
Federal Way	10.40%	View Tax Rates →
Kirkland	10.40%	View Tax Rates →
Auburn	10.30%	View Tax Rates →
Redmond	10.40%	View Tax Rates →
Sammamish	10.30%	View Tax Rates →
Bothell	10.30%	View Tax Rates →
Issaquah	10.50%	View Tax Rates →
Maple Valley	9.10%	View Tax Rates →
Mercer Island	10.30%	View Tax Rates →
Kenmore	10.30%	View Tax Rates →
Snoqualmie	9.30%	View Tax Rates →
Woodinville	10.40%	View Tax Rates →
Enumclaw	9.00%	View Tax Rates →
Vashon	8.90%	View Tax Rates →
Duvall	8.90%	View Tax Rates →
North Bend	8.90%	View Tax Rates →
Pacific	10.40%	View Tax Rates →
Hobart	8.90%	View Tax Rates →
Black Diamond	9.00%	View Tax Rates →
Medina	10.40%	View Tax Rates →
Carnation	8.90%	View Tax Rates →
Fall City	8.90%	View Tax Rates →
Ravensdale	8.90%	View Tax Rates →
Baring	8.90%	View Tax Rates →
Skykomish	8.90%	View Tax Rates →

📋 State Tax Rules & Compliance Guide

Sourcing Rule: Destination-based

Groceries & Food: Exempt (0%)

Clothing & Apparel: Taxable

SaaS & Digital Goods: Fully Taxable (Digital automated services / prewritten software)

Economic Nexus Threshold: $100,000 combined gross receipts

Official Tax Authority: Washington State Department of Revenue ↗

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Address-Specific Rates Rates current for 2026

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ZIP Codes in King County

98001 10.30% 98002 10.50% 98003 10.40% 98004 10.30% 98005 10.30% 98006 10.30% 98007 10.30% 98008 10.30% 98009 10.30% 98010 9.00% 98011 10.30% 98012 10.60% 98014 8.90% 98015 10.30% 98019 8.90% 98021 10.50% 98022 9.00% 98023 10.40% 98024 8.90% 98025 8.90% 98027 10.50% 98028 10.30% 98029 10.50% 98030 10.40% 98031 10.40% 98032 10.40% 98033 10.40% 98034 10.40% 98035 10.40% 98038 9.10% 98039 10.40% 98040 10.30% 98041 10.30% 98042 9.30% 98045 8.90% 98047 10.40% 98051 8.90% 98052 10.40% 98053 8.90% 98055 10.50% 98056 10.50% 98057 10.50% 98058 10.30% 98059 10.50% 98063 10.40% 98064 10.40% 98065 9.30% 98070 8.90% 98071 10.50% 98072 10.40% 98073 10.40% 98074 10.30% 98075 10.30% 98077 8.90% 98083 10.40% 98089 10.40% 98092 10.50% 98093 10.40% 98101 10.55% 98102 10.55% 98103 10.55% 98104 10.55% 98105 10.55% 98106 10.55% 98107 10.55% 98108 10.55% 98109 10.55% 98111 10.55% 98112 10.55% 98113 10.55% 98114 10.55% 98115 10.55% 98116 10.55% 98117 10.55% 98118 10.55% 98119 10.55% 98121 10.55% 98122 10.55% 98124 10.55% 98125 10.55% 98126 10.55% 98127 10.55% 98129 10.55% 98131 10.40% 98133 10.50% 98134 10.55% 98136 10.55% 98138 10.40% 98139 10.55% 98141 10.55% 98144 10.55% 98145 10.55% 98146 10.40% 98148 10.40% 98154 10.55% 98155 10.50% 98158 10.40% 98160 10.50% 98161 10.55% 98164 10.55% 98165 10.55% 98166 10.40% 98168 10.40% 98170 10.55% 98174 10.55% 98175 10.55% 98177 10.50% 98178 10.30% 98181 10.55% 98185 10.55% 98188 10.40% 98190 10.40% 98191 10.55% 98194 10.55% 98195 10.55% 98198 10.40% 98199 10.55% 98224 8.90% 98288 8.90%

❓ Frequently Asked Questions

Key questions and answers regarding sales tax rates, exemptions, and compliance.

The county tax rate for King County is 3.80%. When combined with Washington state taxes and local municipal/district taxes, the overall sales tax rate varies between 8.90% and 10.60%.

In Washington, grocery items are currently Exempt (0%). SaaS and digital automated goods are Fully Taxable (Digital automated services / prewritten software).