Assessment Review Calendar

2020-2021 Tax Year for Nassau County
January 2, 2019	Department of Assessment publishes tentative assessment roll based on value as of this date.
March 1, 2019	EXTENDED TO APRIL 30, 2019 Last day to appeal 2020-21 assessment published on January 2019 tentative roll.
March 2, 2019 to March 31, 2020	ARC reviews appeals and makes determinations.
April 1, 2020	Department of Assessment publishes final assessment roll reflecting changes made by ARC and exemption changes.
April 30, 2020	Last day to file for judicial review of assessments, including Small Claims Assessment Review.
October 1, 2020	Town Receiver of Taxes mails school tax bill based on April 2020 assessment.
January 1, 2021	Town or city receiver mails general tax bill based on the April 2020 assessment.
Dates are approximately one year earlier for 2019-20 and one year later for 2021-22.