The sales tax rate in Seattle, Washington is 10.35%. That is made up of the 6.5% Washington state sales tax plus about 3.85% in local city and county taxes. On a $100 purchase you pay $10.35 in sales tax, for a total of $110.35.
When you buy something in Seattle, the price at the register includes a combined sales tax of 10.35%. That figure layers local Seattle city and county taxes of about 3.85% on top of the Washington state base rate of 6.5%. The exact rate can vary slightly by special taxing district within the city, so always confirm the rate shown at checkout for your specific address.
To work out the tax on any purchase, multiply the price by 10.35%. A few quick examples for Seattle:
| Purchase price | Sales tax (10.35%) | Total |
|---|---|---|
| $20 | $2.07 | $22.07 |
| $50 | $5.18 | $55.18 |
| $100 | $10.35 | $110.35 |
| $500 | $51.75 | $551.75 |
| $1,000 | $103.50 | $1,103.50 |
Compare Seattle with the rest of the state on the Washington sales tax page, or see every state on the sales tax by state hub. To work out your true out-the-door price after a discount, pair this with the discount calculator.
The combined sales tax rate in Seattle, WA is 10.35%, which includes the 6.5% Washington state rate and about 3.85% in local taxes.
Multiply the price by 10.35% (i.e. by 0.1035). For example, a $50 item has $5.18 of sales tax, for a total of $55.18.
Divide the tax-inclusive total by 1.1035. The result is the pre-tax price and the remainder is the 10.35% tax.
No. Washington charges a 6.5% state rate, and Seattle adds local taxes on top for a 10.35% combined rate.