Should you need support or to request a filing extension contact us here: ASIE@NassauCountyNY.Gov
To request a waiver of Electronic Filing for good cause please make your request in writing to:
Department of Assessment
240 Old Country Road – 4th Floor
Mineola, NY 11501
Attn: E-File Waiver
The filing of the Annual Survey of Income and Expense (ASIE) with the Department of Assessment is mandatory as required under Section 6-30 of the Nassau County Administrative Code.
The purpose of the survey is to gather data for statistical analysis that will help establish the full market value of all class 4 properties. The data collected will be used to analyze changes and trends in the levels of income and expense of class 4 commercial properties, countywide. The information provided will aid in the development of departmental schedules and guidelines that will result in fairer and more equitable assessed values for all Class 4 properties.