What is the sales tax rate for ZIP 98121 (Seattle, WA)?

As of 2026, the total combined sales tax rate for ZIP 98121 is 10.55%. This includes 6.50% state tax, 0.00% county tax, 4.05% city tax, and 0.00% special district tax.

Are groceries and SaaS taxable in Washington?

In Washington, groceries are currently Exempt (0%). Software as a Service (SaaS) and digital goods are Fully Taxable (Digital automated services / prewritten software).

Seattle, WA • King County

Streamlined Sales Tax (SST) Member

98121 Sales Tax Rate 2026 - Seattle, WA

The combined sales tax rate for Seattle (98121, Washington) is 10.55% in 2026. Includes state (6.50%), county (0.00%), city (4.05%), and special district taxes.

Combined Sales Tax Rate

10.55%

⚡ Direct Tax Answer & Key Takeaway

As of 2026, the total combined sales tax rate for ZIP code 98121 in Seattle, WA (King County) is 10.55%. This includes 6.50% state tax, 0.00% county tax, 4.05% city tax, and 0.00% special district tax.

Geographic Tax Breakdown

Jurisdiction	Rate
State Tax Washington	6.50%
County Tax King County	0.00%
City Tax Seattle	4.05%
Special / District Tax Special District / Transportation	0.00%
Combined Sales Tax Rate Total Tax Applied at Checkout	10.55%

📋 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

Geographic & Spatial Info

ZIP Code: 98121

State Code: WA

Latitude: 47.6211

Longitude: -122.3244

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Address-Specific Rates Rates current for 2026

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Other ZIP Codes in Seattle

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% 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%

❓ Frequently Asked Questions

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

The total combined sales tax rate for ZIP 98121 is 10.55% in 2026. This rate is comprised of the Washington state sales tax (6.50%), King County county tax (0.00%), city tax (4.05%), and special district tax (0.00%).

In Washington, grocery food is generally Exempt (0%), clothing items are Taxable, and Software as a Service (SaaS) is Fully Taxable (Digital automated services / prewritten software).