King County · Washington
Seattle, WA sales tax rate
Washington has no income tax and leans hard on sales tax; Seattle's Sound Transit component funds light rail expansion through 2046.
Quick answer
The combined sales tax rate in Seattle, WA is 10.45% as of January 1, 2026 — 6.5% state + 1.4% county + 1.15% city + 1.4% special district. On a $100 purchase that is $10.45 in tax, for a total of $110.45. Washington's statewide base is 6.5%.
- Combined rate
- 10.45%
- State share
- 6.5%
- Local share
- 3.95%County + city + districts
- Tax on $100
- $10.45
Calculate Seattle sales tax
Pre-filled with the Seattle combined rate.
Sales tax calculator
The full combined rate of 10.45% applies to general merchandise.
Enter a pre-tax amount to see the tax due in Seattle, WA.
- Pre-tax
- $100
- Sales tax at 10.45%
- $10.45
- Total
- $110.45
Tax is rounded to the nearest cent on the full transaction, which is how most registers compute it. Line-item rounding can differ by a cent or two on long receipts.
Jurisdiction breakdown
Every layer that makes up the combined rate, and how much of the total each one contributes.
| Jurisdiction | Level | Rate | Share of total |
|---|---|---|---|
| Washington state | state | 6.5% | 62% |
| King County | county | 1.4% | 13% |
| City of Seattle | city | 1.15% | 11% |
| Sound Transit and transportation benefit district | special district | 1.4% | 13% |
| Combined rate | 10.45% |
Seattle sales tax reference table
Tax due at 10.45% on common purchase amounts.
| Purchase | Sales tax | Total |
|---|---|---|
| $10 | $1.05 | $11.05 |
| $25 | $2.61 | $27.61 |
| $50 | $5.23 | $55.23 |
| $100 | $10.45 | $110.45 |
| $500 | $52.25 | $552.25 |
| $1,000 | $104.50 | $1104.50 |
| $5,000 | $522.50 | $5522.50 |
| $25,000 | $2612.50 | $27612.50 |
Reverse out sales tax
Enter a receipt total and we split the item price from the 10.45% tax collected.
Backing out 10.45% for Seattle, WA.
- Item price before tax
- $100
- Sales tax collected
- $10.45
What this rate applies to
Washington publishes the taxable base separately from the rate. Groceries, prescription drugs, clothing and services are treated differently state to state, and several categories in Washington are taxed at reduced rates or exempt entirely. Washington has no income tax and leans hard on sales tax; Seattle's Sound Transit component funds light rail expansion through 2046. Check the Washington State Department of Revenue guidance for the category you are pricing before assuming 10.45% applies.
Seattle at a glance
- Population
- 755,078
- Median household income
- $116,068
- County
- King County
- ZIP codes covered
- 12
Compare with other Washington cities
Other covered Washington metros and how they compare.
Neighboring districts tax profiles
The closest covered jurisdictions by county and ZIP sectional centre, with the rate difference against this metro.
Compare Seattle with another metro
Side-by-side rate stacks and the dollar difference on a $1,000 purchase.
Cities near Seattle
Straight-line distance, estimated drive time and the rate charged there.
Download this metro's data
The Seattle jurisdiction stack, combined rate (10.45%), effective date and Census figures are published as open files. Free to use with attribution — no key, no signup.