Quincy, Washington sales tax rate: 8.2%
Last updated Checked monthly
The sales tax rate in Quincy, Washington is 8.2%. That’s the 6.5% state rate plus 1.7% in local taxes. It’s higher than 23 of the 110 Washington cities we checked, and 12 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Quincy combined rate
8.2%
- Washington state
- 6.5%
- Grant CountyCounty
- 1.5%
- Grant PTBASpecial district
- 0.2%
Quincy sales tax calculator
Enter a price and what you’re selling.
- WashingtonState · 6.5%$6.50
- Grant CountyCounty · 1.5%$1.50
- Grant PTBASpecial district · 0.2%$0.20
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoQuincy sales tax rate breakdown
State, county and special district taxes add up to 8.2%. District lines don’t follow city limits, so some Quincy addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Washington | State | 6.5% |
| Grant County | County | 1.5% |
| Grant PTBA | Special district | 0.2% |
| Combined rate | 8.2% |
Rate history
- July 20238.2%
- July 20248.2%
- July 20258.2%
- July 20268.2%
- Today8.2%
No change since July 2023.
Sales tax near Quincy
Closest cities
- East Wenatchee24 mi8.8%
- Wenatchee26 mi9%
- Kittitas32 mi8.3%
- Ellensburg37 mi8.6%
- Warden42 mi8.2%
- Othello43 mi8.2%
- Hartline47 mi8.2%
- Selah52 mi8.5%
Elsewhere in Grant County
- Warden8.2%
- Electric City8.2%
- Hartline8.2%
Charge the right rate in Quincy, on every order.
Zamp calculates tax at each customer’s address, special districts included, then files and pays every Washington return for you, with a sales tax team you can call.
Quincy sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Quincy, Washington?
The combined sales tax rate in Quincy is 8.2% as of November 2, 2026. It’s made up of 6.5% Washington state tax, 1.5% Grant County, 0.2% Grant PTBA.
Why does Quincy pay Grant PTBA tax?
A special district such as Grant PTBA levies its own sales tax on top of the state, county rates. District lines don’t always follow city limits, so an address a few streets away can have a different rate. This rate was calculated for Quincy’s 98848 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Quincy?
Yes, at the full 8.2%.
Do online sellers have to collect sales tax in Quincy?
Yes, if they have nexus in Washington: more than $100,000 in Washington sales in the previous or current calendar year, or a physical presence in the state. They register with the Washington State Department of Revenue and charge the rate at the buyer’s address.
Sources. Washington State Department of Revenue · Zamp Sales Tax API, for Quincy’s 98848 ZIP code. Rates are checked monthly and are for information, not tax advice.
Sales tax, off your plate.
Zamp registers you, calculates every order at the customer’s address, files every Washington return and handles notices, with a sales tax team you can call.
#1 rated support on G2
