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Assessment Review Commission
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Assessment & Review Calendar

2009-10 Tax Year for Nassau County:

January 2, 2008 Department of Assessment publishes tentative assessment roll based on value as of this date.
March 3, 2008 Last day to appeal 2009-10 assessment published on January 2008 tentative  roll.
March 3, 2008  to April 1, 2009 ARC reviews appeals and makes determinations.
January 2, 2009 Last day to file an application for a new exemption with the Department of Assessment. Eligibility for exemptions determined as of this date. Department of Assessment publishes adjusted tentative assessments reflecting new construction or expansion of improvements. Value determined as of this date for property affected by new construction, expansion or destruction of improvements, or change in exempt status.
April 1, 2009 Department of Assessment publishes final assessment roll reflecting changes made by ARC and exemption changes.
April 30, 2009 Last day to file for judicial review of assessments, including Small Claims Assessment Review.
October 1, 2009 Town Receiver of Taxes mails school tax bill based on April 2009 assessment.
January 1, 2010 Town or city receiver mails general tax bill based on the April 2009 assessment.
Dates are approximately one year earlier for 2008-09 and one year later for 2010-11.