from
Town of Islip, Receiver of Taxes
ANDY WITTMAN
THE LAST DAY FOR PAYMENT OF 2023-2024 TAXES AT THIS OFFICE will be FRIDAY, MAY 31 2024.
After that date, taxes plus penalty and interest must be paid to the County Comptroller’s Office in Riverhead, NY.
If you have already paid your 2023-24 property taxes, please disregard this notice.
If your property taxes are paid by your mortgage company, please disregard this notice.
Please pay your property taxes through our online payment portal in the link below.
Tax.IslipNY.gov
- This site is for PROPERTY OWNERS ONLY. Limit 2 parcels
- If you own more than 2 parcels, please call our office to increase your limit
- This site cannot accept partial payments
- Copies of tax statements/payments can be obtained using this website
- If you no longer wish to receive email notification, please log into your account, click on “Account Settings” and uncheck “Email me about Taxes”
- If you are satisfying your mortgage before May 31, 2024, please call our office
If you no longer have property within the Town of Islip and/or you wish to remove your account, please send an email request to This email address is being protected from spambots. You need JavaScript enabled to view it. from the email address associated with your account. Include your name, address of the property and/or item number. Once removed, you will no longer have access to your account. This action cannot be undone.