Sales tax in Mount Vernon, WA
The combined sales tax rate in Mount Vernon, WA is about 8.3%, and ranges from 8.3% to 9% depending on the exact address.
Estimated from 2 ZIP codes covering Mount Vernon. Enter your ZIP code in the calculator for a closer figure.
- ZIP codes
- 2 on file, every one crossing the city line
- County
- Skagit
ZIP codes in Mount Vernon
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 Mount Vernon. 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.
How the combined rate in Mount Vernon, WA is made up
Each government below levies its own share. A seller collects them together at the till and passes each share to the authority that levied it.
| Jurisdiction | Type | Rate | Applies to | Effective | Source |
|---|---|---|---|---|---|
| Washington | state | 6.5% | all 2 ZIP codes | Mar 1, 1983 | Current jurisdiction rate and boundary files |
| Skagit | county | 1.8% | all 2 ZIP codes | Apr 1, 2026 | Current jurisdiction rate and boundary files |
| Combined rate | 8.3% | ||||
How Mount Vernon compares with the rest of Washington
Mount Vernon's ~8.3% is below what most ZIP codes carry in Washington. Of the state's 715 ZIP codes with a figure, 31 land on the same one, 262 carry a lower figure and 422 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 | |
| ~10.3% | 52 | |
| ~8.1% | 50 | |
| ~8.9% | 50 | |
| ~8.3% | 31 | Mount Vernon |
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 |
|---|---|---|
| Mount Vernon | 2.5% | Jul 2026 – Mar 2027 |
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.
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