Thank you for using our online site. This site extends the hours of our office for your convenience. Like most sites, we will need a window of time each day to shut down access in order to update our information.
Payments available from 12:01 a.m. to 11:15 p.m. starting 12/13/2022 and ending 05/31/2023.
Additional system maintenance activities may be needed from time to time and may effect payment information availability. Since your transactions have due dates associated with them, it is your responsibility to ensure that your payment is made by that due date. Please note that delays caused by unavailability of any online service DO NOT warrant the waiving or reversal of late fees.
PLEASE NOTE: Convenience fees for payments are collected in a separate transaction in accordance with the applicable fee schedule as stated.
Online FAQ’s: FAQ
Phone Support: Monday – Friday, 8:30am – 4:30pm, 631-224-5580
Email Support: TaxSupport@islipny.gov – all emails will be answered during office hours