What is the sales tax in Smithtown city? - The sales tax in Smithtown city of New York is 8.75% as of 2025. Use the Smithtown sales tax calculator to calculate the sales tax for any purchase in Smithtown.
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Below is a list of the state sales tax, city sales tax, and county tax rate for Smithtown.
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Suffolk | New York | Smithtown | 11787 | 4% | 0% | 4.375% | 8.75% |