County rate guide · Reviewed August 11, 2026
Suffolk County, New York Sales Tax Rate
The combined sales tax rate in Suffolk County, New York is 8.75% as of 2026. That includes the New York state rate of 4%.
Sales tax calculator for Suffolk County
- Sales tax (8.75%)
- $8.75
- Total with tax
- $108.75
How this rate is composed
The New York state sales tax rate is 4%. The combined 8.75% rate for Suffolk County comes from New York State DTF Publication 718 (Pub 718 current edition).
Combined state (4%) and local sales tax rate from Publication 718.
In the 12-county MCTD region a 0.375% Metropolitan Commuter Transportation District surcharge applies in addition to the listed rate.
Rates change on official schedules — confirm the current rate and effective date against the source above before filing.
Related local sales tax rates in New York
Compare the county and same-type jurisdictions with the closest combined rates.
- Erie County — 8.75%
- Oneida County (Outside The Following) — 8.75%
- Nassau County — 8.625%
- Allegany County — 8.5%
- Putnam County — 8.375%
- Rockland County — 8.375%
- Westchester County (Outside The Following) — 8.375%
- Herkimer County — 8.25%
- Dutchess County — 8.125%
- Orange County — 8.125%
- Albany County — 8%
- Broome County — 8%
Suffolk County sales tax questions
What is the sales tax rate in Suffolk County, New York?
The combined sales tax rate is 8.75%. It includes the New York state rate of 4% and applicable local rates.
How much sales tax is charged on a $100 purchase in Suffolk County?
At the 8.75% combined rate, a $100 taxable purchase produces $8.75 in sales tax.
When was the Suffolk County sales tax rate reviewed?
Prophit.ai reviewed this guide on 2026-08-11 using New York State DTF Publication 718. Confirm the official source before filing because rates can change.
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