Sumner Sales Tax Calculator
The combined sales tax rate in Sumner, Washington is 9.7% in 2026 — a 6.5% Washington state rate plus 3.2% in local add-ons. That is the 48th highest rate of the 280 Washington cities we track, and it runs above Washington's 9.47% average. On a $100 purchase that's $9.70 in tax for a $109.70 total.
$100.00 total
Before tax: $100.00 · Sales tax: $0.00 (0%)
State & average combined rates: Tax Foundation 2026. Local rates vary by city/county — adjust the rate for an exact figure. How we calculate →
Sumner sales tax rate in 2026
Sumner charges a combined sales tax rate of 9.7%: the Washington statewide base of 6.5% plus 3.2% in city and county add-ons. Sumner is in Pierce County.
That local add-on is set by Sumner and the taxing districts that overlap it, which is why neighboring cities in Washington can charge a different total even a few miles apart.
Sumner vs the rest of Washington
At 9.7%, Sumner runs above Washington's 9.47% statewide average combined rate by 0.23%. Among the 280 Washington cities we track by combined rate, Sumner ranks the 48th highest.
That puts Sumner on the higher end for Washington — worth double-checking against the official lookup tool if you're quoting a price to a customer or filing a return.
Sales tax examples in Sumner
At Sumner's 9.7% combined rate:
$100 → $9.70 tax, $109.70 total · $1,000 → $97.00 tax, $1,097.00 total · $25,000 car purchase → $2,425 tax, $27,425 total.
Working backwards: a $1,100.00 receipt total in Sumner means the pre-tax price was $1,002.73 and $97.27 was tax — use “Remove tax” mode above to reverse any total instantly.
A note on Sumner's exact rate
The 9.7% rate applies within Sumner's official city limits as published by Washington DOR — Tax Rate Lookup. Addresses with a Sumner mailing address but outside the incorporated city line — a common situation on the edges of any city — can fall under a different, usually lower, rate.
For an address-exact rate, use the official lookup tool: Washington DOR — Tax Rate Lookup. This calculator pre-fills the published city-limits rate as a reliable starting point.
Sumner sales tax — frequently asked questions
What is the sales tax rate in Sumner, Washington?
Sumner's combined sales tax rate is 9.7% in 2026 — 6.5% Washington state tax plus 3.2% in local add-ons. That's the 48th highest rate of the 280 Washington cities we track.
How much is sales tax on $100 in Sumner?
At Sumner's 9.7% rate, sales tax on a $100 purchase is $9.70, for a $109.70 total.
How much sales tax will I pay on a $25,000 car in Sumner?
At Sumner's 9.7% combined rate, sales tax on a $25,000 vehicle purchase is about $2,425, for a $27,425 total before any trade-in credit or registration fees.
Is Sumner's sales tax higher or lower than the Washington average?
Sumner runs above Washington's 9.47% statewide average by 0.23%, ranking the 48th highest of the 280 Washington cities we track.
How do I calculate sales tax backwards from a total in Sumner?
Divide the total by 1 plus the rate. A $1,100.00 total in Sumner works back to a $1,002.73 pre-tax price and $97.27 of tax. Use “Remove tax” mode above to do this automatically.
Does Sumner's sales tax rate apply everywhere in the Sumner area?
The 9.7% rate applies within Sumner's official city limits. Nearby addresses outside the incorporated boundary can be taxed at a different rate — check Washington DOR — Tax Rate Lookup for an address-exact figure.
Compare nearby cities in Washington
See all 280 Washington cities ranked by combined sales tax rate, or compare:
Researched & verified by the Calcuris Data & Research Team. How we build and check our tools →