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King County, WA Sales Tax Rate (2026)

Combined state and local rate for King County, WA, with the rate for each of its places and 120 ZIP codes.

Rates as of

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

10.55%most common combined rate in King County

The most common combined sales tax rate in King County, WA is 10.55% as of September 2026: 6.5% state and 4.05% city. Rates across the county's 120 ZIP codes range from 8.9% to 10.55%, depending on the city and special districts. Washington's state rate is 6.5%, so local taxes add 4.05% here.

State
6.5%
County
0%
City
4.05%
Special district
0%
Combined
10.55%

Source: Kintsugi's rate table, updated monthly, as of September 2026. Official rates: Washington DOR — Retail Sales Tax.

What are the sales tax rates by city in King County?

The combined rate for the places in King County, as of September 2026. Where a place has a city rate page it is linked. A place's ZIP codes can reach into a neighboring city or district, so a range in brackets means its ZIP codes carry different rates.

Combined sales tax rate for each place in King County, as of September 2026
PlaceCombined rateZIP codes
Seattle10.55%(10.4%–10.55%)59
Bellevue10.3%7
Kent10.4%(10.4%–10.5%)7
Renton10.5%5
Auburn10.5%4
Federal Way10.4%4
Kirkland10.4%3
Redmond10.4%3
Bothell10.3%2
Issaquah10.5%2
Sammamish10.3%2
Woodinville10.3%(10.3%–10.4%)2
Baring8.9%1
Black Diamond9%1
Burton8.9%1
Carnation8.9%1
Duvall9.2%1
Enumclaw9%1
Fall City8.9%1
Hobart8.9%1
Kenmore10.3%1
Maple Valley9.1%1
Medina10.4%1
Mercer Island10.3%1
North Bend9.2%1
Pacific10.4%1
Preston8.9%1
Ravensdale8.9%1
Seahurst10.4%1
Skykomish8.9%1

The 2 places with the fewest ZIP codes are in the ZIP code table below.

What are the sales tax rates by ZIP code in King County?

Every ZIP code in King County, with its combined rate as of September 2026. A ZIP code can cross city and district lines, so the delivery address decides the rate on a sale; the sales tax calculator looks one up.

Combined sales tax rate for each ZIP code in King County, as of September 2026
ZIPPlaceCombined rate
98001Auburn10.5%
98002Auburn10.5%
98003Federal Way10.4%
98004Bellevue10.3%
98005Bellevue10.3%
98006Bellevue10.3%
98007Bellevue10.3%
98008Bellevue10.3%
98009Bellevue10.3%
98010Black Diamond9%
98011Bothell10.3%
98013Burton8.9%
98014Carnation8.9%
98015Bellevue10.3%
98019Duvall9.2%
98022Enumclaw9%
98023Federal Way10.4%
98024Fall City8.9%
98025Hobart8.9%
98027Issaquah10.5%
98028Kenmore10.3%
98029Issaquah10.5%
98030Kent10.4%
98031Kent10.5%
98032Kent10.4%
98033Kirkland10.4%
98034Kirkland10.4%
98035Kent10.4%
98038Maple Valley9.1%
98039Medina10.4%
98040Mercer Island10.3%
98041Bothell10.3%
98042Kent10.4%
98045North Bend9.2%
98047Pacific10.4%
98050Preston8.9%
98051Ravensdale8.9%
98052Redmond10.4%
98053Redmond10.4%
98055Renton10.5%
98056Renton10.5%
98057Renton10.5%
98058Renton10.5%
98059Renton10.5%
98062Seahurst10.4%
98063Federal Way10.4%
98064Kent10.4%
98065Snoqualmie9.3%
98070Vashon8.9%
98071Auburn10.5%
98072Woodinville10.4%
98073Redmond10.4%
98074Sammamish10.3%
98075Sammamish10.3%
98077Woodinville10.3%
98083Kirkland10.4%
98089Kent10.4%
98092Auburn10.5%
98093Federal Way10.4%
98101Seattle10.55%
98102Seattle10.55%
98103Seattle10.55%
98104Seattle10.55%
98105Seattle10.55%
98106Seattle10.55%
98107Seattle10.55%
98108Seattle10.55%
98109Seattle10.55%
98111Seattle10.55%
98112Seattle10.55%
98113Seattle10.55%
98114Seattle10.55%
98115Seattle10.55%
98116Seattle10.55%
98117Seattle10.55%
98118Seattle10.55%
98119Seattle10.55%
98121Seattle10.55%
98122Seattle10.55%
98124Seattle10.55%
98125Seattle10.55%
98126Seattle10.55%
98127Seattle10.55%
98129Seattle10.55%
98131Seattle10.4%
98133Seattle10.55%
98134Seattle10.55%
98136Seattle10.55%
98138Seattle10.4%
98139Seattle10.55%
98141Seattle10.55%
98144Seattle10.55%
98145Seattle10.55%
98146Seattle10.55%
98148Seattle10.4%
98154Seattle10.55%
98155Seattle10.55%
98158Seattle10.4%
98160Seattle10.5%
98161Seattle10.55%
98164Seattle10.55%
98165Seattle10.55%
98166Seattle10.4%
98168Seattle10.4%
98170Seattle10.55%
98174Seattle10.55%
98175Seattle10.55%
98177Seattle10.55%
98178Seattle10.55%
98181Seattle10.55%
98185Seattle10.55%
98188Seattle10.4%
98190Seattle10.4%
98191Seattle10.55%
98194Seattle10.55%
98195Seattle10.55%
98198Seattle10.4%
98199Seattle10.55%
98224Baring8.9%
98288Skykomish8.9%

† Part of this ZIP code lies in another city or county with a different rate, so check the delivery address for the exact rate.

Selling into King County: Washington rules

What's taxable: At the state level, SaaS is taxable, clothing is taxable, groceries are exempt and digital goods are taxable.

Economic nexus: Washington economic nexus applies once your cumulative gross income from sales into the state reaches $100,000 in the current or prior calendar year, including marketplace sales. There is no transaction-count trigger.

Filing: Washington assigns monthly, quarterly, or annual filing based on revenue. Monthly returns are due the 25th of the following month; quarterly returns are due the end of the month after the quarter; annual returns are due April 15.

Registration, exemptions, penalties and marketplace rules are in the Washington sales tax guide.

Frequently asked questions

Other Washington counties

Rates change monthly. Kintsugi applies them automatically.

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