Assessment Review Calendar


2024-2025 Tax Year for Nassau County

January 2, 2023Department of Assessment publishes tentative assessment roll based on value as of this date.
March 1, 2023Last day to appeal 2024/25 assessment.
March 2, 2023 to March 31, 2024ARC reviews appeals and makes determinations.
April 1, 2024Department of Assessment publishes final 2024/2025 assessment roll reflecting changes made by ARC and exemption changes.
April 30, 2024Last day to file for judicial review of assessments, including Small Claims Assessment Review.
October 1, 2024Town Receiver of Taxes mails school tax bill based on April 2024 assessment.
January 1, 2025Town or city receiver mails general tax bill based on the April 2024 assessment.

 

2025-2026 Tax Year for Nassau County
January 2, 2024Department of Assessment publishes tentative assessment roll based on value as of this date.
March 1, 2024Last day to appeal 2025/26 assessment.
March 4, 2024 to March 31, 2025ARC reviews appeals and makes determinations.
April 1, 2025Department of Assessment publishes final 2025/26 assessment roll reflecting changes made by ARC and exemption changes.
April 30, 2025Last day to file for judicial review of assessments, including Small Claims Assessment Review.
October 1, 2025Town Receiver of Taxes mails school tax bill based on April 2025 assessment.
January 1, 2026Town or city receiver mails general tax bill based on the April 2025 assessment.