Deer Park Sales Tax Calculator
The combined sales tax rate in Deer Park, Washington is 8.1% in 2026 — a 6.5% Washington state rate plus 1.6% in local add-ons. That is the 69th lowest rate of the 280 Washington cities we track, and it runs below Washington's 9.47% average. On a $100 purchase that's $8.10 in tax for a $108.10 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 →
Deer Park sales tax rate in 2026
Deer Park charges a combined sales tax rate of 8.1%: the Washington statewide base of 6.5% plus 1.6% in city and county add-ons. Deer Park is in Spokane County.
That local add-on is set by Deer Park and the taxing districts that overlap it, which is why neighboring cities in Washington can charge a different total even a few miles apart.
Deer Park vs the rest of Washington
At 8.1%, Deer Park runs below Washington's 9.47% statewide average combined rate by 1.37%. Among the 280 Washington cities we track by combined rate, Deer Park ranks the 69th lowest.
That makes Deer Park comparatively light on sales tax for Washington, though it's still well above zero.
Sales tax examples in Deer Park
At Deer Park's 8.1% combined rate:
$100 → $8.10 tax, $108.10 total · $1,000 → $81.00 tax, $1,081.00 total · $25,000 car purchase → $2,025 tax, $27,025 total.
Working backwards: a $1,080.00 receipt total in Deer Park means the pre-tax price was $999.07 and $80.93 was tax — use “Remove tax” mode above to reverse any total instantly.
A note on Deer Park's exact rate
The 8.1% rate applies within Deer Park's official city limits as published by Washington DOR — Tax Rate Lookup. Addresses with a Deer Park 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.
Deer Park sales tax — frequently asked questions
What is the sales tax rate in Deer Park, Washington?
Deer Park's combined sales tax rate is 8.1% in 2026 — 6.5% Washington state tax plus 1.6% in local add-ons. That's the 69th lowest rate of the 280 Washington cities we track.
How much is sales tax on $100 in Deer Park?
At Deer Park's 8.1% rate, sales tax on a $100 purchase is $8.10, for a $108.10 total.
How much sales tax will I pay on a $25,000 car in Deer Park?
At Deer Park's 8.1% combined rate, sales tax on a $25,000 vehicle purchase is about $2,025, for a $27,025 total before any trade-in credit or registration fees.
Is Deer Park's sales tax higher or lower than the Washington average?
Deer Park runs below Washington's 9.47% statewide average by 1.37%, ranking the 69th lowest of the 280 Washington cities we track.
How do I calculate sales tax backwards from a total in Deer Park?
Divide the total by 1 plus the rate. A $1,080.00 total in Deer Park works back to a $999.07 pre-tax price and $80.93 of tax. Use “Remove tax” mode above to do this automatically.
Does Deer Park's sales tax rate apply everywhere in the Deer Park area?
The 8.1% rate applies within Deer Park'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:
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