Nassau County Assessment Review Dates


School 2015/16 2016/17 2017/18 2018/19
2019/20 
Town/County 2016 2017 2018 2019
2020
Tax status date Jan. 2, 2014 Jan. 2, 2015 Jan. 4, 2016 Jan. 2, 2017
Jan 2, 2018
Tentative roll Jan. 2, 2014 Jan. 2, 2015 Jan. 4, 2016 Jan. 2, 2017
Jan 2, 2018
Grievances due Mar. 3, 2014 Mar. 2, 2015 Mar. 1, 2016 Mar. 1, 2017
Mar. 1, 2018
Final roll Apr. 1, 2015 Apr. 1, 2016 Apr. 1, 2017 Apr. 1, 2018
Apr. 1, 2019
Petitions due Apr. 30, 2015 Apr. 30, 2016 Apr. 30, 2017 Apr. 30, 2018
Apr. 30. 2019
School tax bills Oct. 1, 2015 Oct. 1, 2016 Oct. 1, 2017 Oct. 1, 2018
Oct. 1, 2019
Town tax bills
Jan. 1, 2016
Jan. 1, 2017
Jan. 1, 2018
Jan. 1, 2019
Jan. 1, 2020