Duvall Sales Tax Calculator
The combined sales tax rate in Duvall, Washington is 9.2% in 2026 — a 6.5% Washington state rate plus 2.7% in local add-ons. That is the 70th highest rate of the 280 Washington cities we track, and it runs below Washington's 9.47% average. On a $100 purchase that's $9.20 in tax for a $109.20 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 →
Duvall sales tax rate in 2026
Duvall charges a combined sales tax rate of 9.2%: the Washington statewide base of 6.5% plus 2.7% in city and county add-ons. Duvall is in King County.
That local add-on is set by Duvall and the taxing districts that overlap it, which is why neighboring cities in Washington can charge a different total even a few miles apart.
Duvall vs the rest of Washington
At 9.2%, Duvall runs below Washington's 9.47% statewide average combined rate by 0.27%. Among the 280 Washington cities we track by combined rate, Duvall ranks the 70th highest.
That makes Duvall comparatively light on sales tax for Washington, though it's still well above zero.
Sales tax examples in Duvall
At Duvall's 9.2% combined rate:
$100 → $9.20 tax, $109.20 total · $1,000 → $92.00 tax, $1,092.00 total · $25,000 car purchase → $2,300 tax, $27,300 total.
Working backwards: a $1,090.00 receipt total in Duvall means the pre-tax price was $998.17 and $91.83 was tax — use “Remove tax” mode above to reverse any total instantly.
A note on Duvall's exact rate
The 9.2% rate applies within Duvall's official city limits as published by Washington DOR — Tax Rate Lookup. Addresses with a Duvall 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.
Duvall sales tax — frequently asked questions
What is the sales tax rate in Duvall, Washington?
Duvall's combined sales tax rate is 9.2% in 2026 — 6.5% Washington state tax plus 2.7% in local add-ons. That's the 70th highest rate of the 280 Washington cities we track.
How much is sales tax on $100 in Duvall?
At Duvall's 9.2% rate, sales tax on a $100 purchase is $9.20, for a $109.20 total.
How much sales tax will I pay on a $25,000 car in Duvall?
At Duvall's 9.2% combined rate, sales tax on a $25,000 vehicle purchase is about $2,300, for a $27,300 total before any trade-in credit or registration fees.
Is Duvall's sales tax higher or lower than the Washington average?
Duvall runs below Washington's 9.47% statewide average by 0.27%, ranking the 70th highest of the 280 Washington cities we track.
How do I calculate sales tax backwards from a total in Duvall?
Divide the total by 1 plus the rate. A $1,090.00 total in Duvall works back to a $998.17 pre-tax price and $91.83 of tax. Use “Remove tax” mode above to do this automatically.
Does Duvall's sales tax rate apply everywhere in the Duvall area?
The 9.2% rate applies within Duvall'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 →