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A Message from the Supervisor

“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

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  • PROPERTY OWNERS ONLY who are looking to obtain a copy of their tax bill, please visit https://tax.islipny.gov/ and create/log into your account. You can print a copy here or visit us in person to obtain a copy.

  • For all others, there is a $5.00 p/parcel fee for a copy of a tax bill. If you are requesting multiple parcels, you can mail 1 check for the total amount of the parcels or a separate check for each parcel (your choice). Please note on the check and/or any paperwork submitted;

    • (a) either the tax map number and/or item number associated with the parcel(s) you are submitting payment for AND
    • (b) the property address AND
    • (c) contact information, name & direct telephone number

    If the submitted paperwork does not include ALL of the above items (a, b & c), your request will be denied and all submitted paperwork will be mailed back to you. For any questions and/or clarification, please call our office.
*** To locate Tax map Number and/or Item Number, please visit,
www.islipny.gov/community-and-services/assessment-roll ***