Online ASIE Forms

ASIE 2021

The filing period of the 2021 ASIE opens February 1, 2022.

Filing is an annual requirement and must be completed in accordance with local law 8-2013 and Nassau County Administrative Code Section 6-30.0.

The 2021 ASIE Filing is now open. Filings will be accepted from February 1 -  April 1, 2022.

60 day extension applications are available on-line.

Begin your filing here: https://app.nassaucountyny.gov/assessment/asie2021/

It is mandatory that all ASIE submissions be made electronically using the ASIE 2021 website.

You can still file previous year's ASIE applications by visiting the links below:

• ASIE 2020 - https://app.nassaucountyny.gov/Assessment/ASIE2020/
• ASIE 2019 - https://app.nassaucountyny.gov/Assessment/ASIE2019/
• ASIE 2018 - https://app.nassaucountyny.gov/Assessment/ASIE2018/
• ASIE 2017 - https://app.nassaucountyny.gov/Assessment/ASIE17/login.php
• ASIE 2016 - https://app.nassaucountyny.gov/Assessment/ASIE16/login.php