Nassau County Assessment Review Dates


School
2016/17 2017/18 2018/19
2019/20   2020/21
Town/County 2017 2018 2019
2020  2021
Tax status date Jan. 2, 2015 Jan. 4, 2016 Jan. 2, 2017
Jan 2, 2018  Jan 2, 2019
Tentative roll Jan. 2, 2015 Jan. 4, 2016 Jan. 2, 2017
Jan 2, 2018  Jan 2, 2019
Grievances due Mar. 2, 2015 Mar. 1, 2016 Mar. 1, 2017
Mar. 1, 2018  Mar. 1, 2019
Final roll Apr. 1, 2016 Apr. 1, 2017 Apr. 1, 2018
Apr. 1, 2019  Apr. 1, 2020
Petitions due Apr. 30, 2016 Apr. 30, 2017 Apr. 30, 2018
Apr. 30. 2019  Apr. 30, 2020
School tax bills Oct. 1, 2016 Oct. 1, 2017 Oct. 1, 2018
Oct. 1, 2019  Oct. 1, 2020
Town tax bills Jan. 1, 2017
Jan. 1, 2018
Jan. 1, 2019
Jan. 1, 2020  Jan. 1, 2020