What is the sales tax in zip code 11901? - The sales tax in zip code 11901 in Riverhead, New York is 8.75% as of 2025. Use the 11901 sales tax rate calculator to calculate the sales tax for any purchase in 11901.
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Below is a list of the state sales tax, city sales tax, and county tax rate for .
| County | State | City | Zip Code | State Tax | City Tax | County Tax | Total Tax |
|---|---|---|---|---|---|---|---|
| Suffolk | New York | Riverhead | 11901 | 4% | 0% | 4.375% | 8.75% |