August 11, 2025
Final day to submit 2nd half 2025 General Tax payments to the Receiver of Taxes. Late payments will incur penalties.
September 1, 2025
First day to authorize us to file your 2027/28 property tax grievance.
October 1, 2025
Nassau County issues 1st half 2025/26 School Tax bills.
November 10, 2025
Deadline to pay the 1st half 2025/26 School Taxes to the Receiver of Taxes. Penalties apply for payments made after this date.
January 1, 2026
Nassau County Department of Assessment releases tentative assessed values for the 2027/28 tax year.
January 1, 2026
1st half 2026 General Tax bills are mailed by Nassau County.
January 2, 2026
Last day to apply for Nassau County property tax exemptions, such as Basic or Enhanced STAR. For details, call the NYS Dept. of Taxation and Finance at 518-457-2036.
January 2, 2026
Official start of the 2027/28 Nassau County tax grievance filing period.
February 10, 2026
Final day to pay the 1st half 2026 General Taxes without penalty.
March 31, 2026
Deadline to file a 2027/28 Nassau County property tax grievance.
April 1, 2026
Nassau County issues 2nd half 2025/26 School Tax bills.
April 30, 2026
Final day to submit a 2026/27 Small Claims Assessment Review (SCAR) petition in Nassau County.