Assessment Review Calendar

2021-2022 Tax Year for Nassau County
January 2, 2020	Department of Assessment publishes tentative assessment roll based on value as of this date.
March 2, 2020	Last day to appeal 2021-22 assessment published on January 2019 tentative roll.
March 3, 2020 to March 31, 2021	ARC reviews appeals and makes determinations.
April 1, 2021	Department of Assessment publishes final assessment roll reflecting changes made by ARC and exemption changes.
April 30, 2021	Last day to file for judicial review of assessments, including Small Claims Assessment Review.
October 1, 2021	Town Receiver of Taxes mails school tax bill based on April 2021 assessment.
January 1, 2022	Town or city receiver mails general tax bill based on the April 2021 assessment.
Dates are approximately one year earlier for 2020-21 and one year later for 2022-23.

2022-2023 Tax Year for Nassau County
January 4, 2021	Department of Assessment publishes tentative assessment roll based on value as of this date.
March 1, 2021	Last day to appeal 2022-23 assessment.
March 1, 2021 to March 31, 2022	ARC reviews appeals and makes determinations.
April 1, 2022	Department of Assessment publishes final 2022/2023 assessment roll reflecting changes made by ARC and exemption changes.
May 2, 2022	Last day to file for judicial review of assessments, including Small Claims Assessment Review.
October 1, 2022	Town Receiver of Taxes mails school tax bill based on April 2022 assessment.
January 1, 2023	Town or city receiver mails general tax bill based on the April 2022 assessment.
Dates are approximately one year earlier for 2021-22 and one year later for 2023-24.