Hammond, New York sales tax rate: 8%
Last updated Checked monthly
The sales tax rate in Hammond, New York is 8%. That’s the 4% state rate plus 4% in local taxes. It’s higher than 7 of the 174 New York cities we checked, and 95 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Hammond combined rate
8%
- New York state
- 4%
- St. Lawrence CountyLocal
- 4%
Hammond sales tax calculator
Enter a price and what you’re selling.
- New YorkState · 4%$4.00
- St. Lawrence CountyLocal · 4%$4.00
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoHammond sales tax rate breakdown
State and local taxes add up to 8%.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of New York | State | 4% |
| St. Lawrence County | Local | 4% |
| Combined rate | 8% |
Rate history
- July 20238%
- July 20248%
- July 20258%
- July 20268%
- Today8%
No change since July 2023.
Sales tax near Hammond
Closest cities
- Theresa17 mi8%
- Antwerp18 mi8%
- Philadelphia20 mi8%
- Ogdensburg21 mi8%
- Watertown34 mi8%
- Cape Vincent39 mi8%
- Castorland40 mi8%
- Lowville47 mi8%
Elsewhere in St. Lawrence County
Charge the right rate in Hammond, on every order.
Zamp calculates tax at each customer’s address, then files and pays every New York return for you, with a sales tax team you can call.
Hammond 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 Hammond, New York?
The combined sales tax rate in Hammond is 8% as of November 2, 2026. It’s made up of 4% New York state tax, 4% St. Lawrence County.
Does the sales tax rate vary within Hammond?
Hammond has no special-district taxes, so most addresses in the city pay the same 8%: New York’s 4% plus 4% county tax. This rate was calculated for Hammond’s 13646 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Hammond?
Yes, at the full 8%.
Do online sellers have to collect sales tax in Hammond?
Yes, if they have nexus in New York: more than $500,000 in New York sales in the previous or current calendar year, or a physical presence in the state. They register with the New York State Department of Taxation and Finance and charge the rate at the buyer’s address.
Sources. New York State Department of Taxation and Finance · Zamp Sales Tax API, for Hammond’s 13646 ZIP code. Rates are checked monthly and are for information, not tax advice.
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