“Welcome to Islip, the 3rd largest town in New York State, but with an endearing small town feel. We are so proud of our town…our beaches, golf courses, marinas, parks, housing opportunities for all, businesses, industrial parks, healthcare and educational institutions including our own Islip MacArthur Airport that provides many job opportunities. I sincerely hope you find this website helpful.” - Angie
Look up information regarding a property in the Town of Islip. CLICK HERE.
Coming soon, in the meantime please call our office for how-to instructions: 631.224.5580.
The Assessor's Office is responsible for the review and approval of all real property tax exemptions. LEARN MORE.
View collection schedule, penalty schedule, and more. CLICK HERE.
View Rate and Code Sheets from 2012 – Current. CLICK HERE.
The Office of the Receiver of Taxes is not a policy making office, it is an administrative office. Taxes are collected in accordance with New York State Real Property Tax laws and the Suffolk County Tax Act. CLICK HERE for a description of how your taxes are divided up.
To find answers to these questions and more CLICK HERE.
To view more tax related links CLICK HERE.