Sales tax in Union Gap, WA
The combined sales tax rate in Union Gap, WA is about 8.2%. Some local taxes in this state are not yet mapped, so the true rate may be higher.
Estimated from 2 ZIP codes covering Union Gap. Enter your ZIP code in the calculator for a closer figure.
- ZIP codes
- 2 on file, every one crossing the city line
- County
- Yakima
Who levies sales tax across Union Gap's ZIP codes
Each government below levies its own share, but not all of them reach every address: the ZIP codes covering Union Gap reach into more than one county and city, and an address pays only the shares whose boundary it falls inside.
| Jurisdiction | Type | Rate | Applies to | Effective | Source |
|---|---|---|---|---|---|
| Washington | state | 6.5% | all 2 ZIP codes | Mar 1, 1983 | Current jurisdiction rate and boundary files |
| Yakima | county | 1.7% | all 2 ZIP codes | Jan 1, 2026 | Current jurisdiction rate and boundary files |
| Kittitas | county | 1.8% | 1 of 2 ZIP codes | Jan 1, 2025 | Current jurisdiction rate and boundary files |
| Union Gap | city | 1.9% | all 2 ZIP codes | Jan 1, 2026 | Current jurisdiction rate and boundary files |
| Moxee | city | 1.7% | 1 of 2 ZIP codes | Jan 1, 2026 | Current jurisdiction rate and boundary files |
No total is shown because more than one county and city is listed. An address falls inside only one of each, so these shares are alternatives rather than a stack, and adding them all up would give a figure nobody pays.
ZIP codes in Union Gap
2 on file, every one crossing the city line. Each has its own page.
2 ZIP codes crossing the city line
Part of each of these lies outside Union Gap. An address in one may be taxed at a neighbour's rate instead, and the figure shown is the most likely one across the whole ZIP code.
What can change the tax you pay in Union Gap, WA
- ZIP codes shared with a neighbour. 2 of Union Gap's 2 ZIP codes are also reached by Yakima and Moxee, so an address in one of them can owe a neighbour's rate instead of Union Gap's.
- Your exact address. Kittitas covers only part of this area, so an address inside it is taxed differently from one just outside. A ZIP code is a postal delivery route and was never drawn to follow tax boundaries.
- What you are buying. Categories are not taxed alike. The calculator switches between general merchandise, prepared food and lodging, which are the categories we hold rates for here.
How Union Gap compares with the rest of Washington
Union Gap's ~8.2% is below what most ZIP codes carry in Washington. Of the state's 715 ZIP codes with a figure, 67 land on the same one, 195 carry a lower figure and 453 a higher one. Across Washington the combined rate runs from 7.6% to 10.7%. See every city in Washington.
| Combined rate | ZIP codes | Which is this city |
|---|---|---|
| ~8% | 101 | |
| ~8.2% | 67 | Union Gap |
| ~10.3% | 52 | |
| ~8.1% | 50 | |
| ~8.9% | 50 |
Counted from ZIP-code figures. A tilde marks a band where some ZIP codes cross a tax boundary and are counted at their most likely rate.
Previous rates
| Jurisdiction | Rate | Applied |
|---|---|---|
| Yakima | 2.1% | Jul 2026 – Jun 2036 |
How sales tax is collected
The seller generally collects the tax from the buyer at the point of sale and passes it to the authorities that levied it. In most states it is added at the till rather than included in the advertised price. Read how sales tax works, including sourcing rules, online purchases and who is required to collect.
Rates last verified: Sep 4, 2026. This is when the source was last read, not when this page was last edited.
TaxAndTips provides informational estimates from published tax-rate data. Actual tax treatment can depend on the product or service, the exact address, the transaction, exemption status and applicable law. For official obligations, consult the taxing authority or a qualified tax professional.
Why you can rely on these figures
- Published rates
- State and local rates compiled from the tax authorities that levy them.
- Every figure sourced
- See the jurisdiction breakdown and the document each rate came from.
- No signup
- Use the calculator immediately. Nothing to create, nothing to install.
- Missing means missing
- Where a rate is not verified we say so instead of showing a short total.