Combined sales tax rate
8.75%
Suffolk County (reporting code 4711); Town of Islip
What makes up the rate
- State4%
- County4.375%
- mctd0.375%
Sales tax calculator
Tax $8.75 · Total $108.75
Good to know
- Town of Islip has no separate rate; Suffolk County combined rate applies.
- Suffolk County raised its local rate from 4.25% to 4.375% effective March 1, 2025 (DTF notice ST-25-1), taking the combined rate from 8.625% to 8.75%.
- Includes 0.375% Metropolitan Commuter Transportation District (MCTD) rate.
- Clothing/footwear under $110 per item is exempt from the 4% state tax only (4.75% local still applies, per Pub 718-C).
- Pub 718 (2/25) is the current edition; Pub 718-A (12/25) and DTF locality rate change notices list no rate change after March 1, 2025.
Islip vs nearby cities
- Islip8.75%
- Oyster Bay8.625%
- Huntington8.75%
- Brookhaven8.75%
- Hempstead8.625%
- North Hempstead8.625%
- White Plains8.375%
- Yonkers8.875%
- Staten Island8.875%
- Albany8%
- Syracuse8%
Other Local City Network guides in the same state, nearest first.
Questions
What is the sales tax rate in Islip?
8.75% for most purchases, effective March 1, 2025, per the NYS Dept. of Taxation and Finance, Publication 718 (2/25), Sales and Use Tax Rates by Jurisdiction, effective March 1, 2025.
What makes up the Islip sales tax?
State 4%, County 4.375%, mctd 0.375%.
How much tax is on a $100 purchase in Islip?
$8.75 on a $100 purchase, for a total of $108.75.
Where does this rate come from?
NYS Dept. of Taxation and Finance, Publication 718 (2/25), Sales and Use Tax Rates by Jurisdiction, effective March 1, 2025. Rates can differ at some addresses (special districts) and for some items; check the official source for a specific address.
Source: NYS Dept. of Taxation and Finance, Publication 718 (2/25), Sales and Use Tax Rates by Jurisdiction, effective March 1, 2025, effective March 1, 2025; checked 2026-11-07. Not tax advice.