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Edward P. Mangano
County Executive
240 Old Country Rd.
Mineola, NY 11501 (516) 571-1500
James E. Davis
Acting County Assessor

2014 Property Tax Exemptions Workshop Calendar

The Department of Assessment is responsible for developing fair and equitable assessments for all residential and commercial properties in Nassau County on an annual basis. Nassau County's assessment roll includes over 423,000 properties with a value of $264 billion. ...more...

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Property Tax Information

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Assessment Relief Application


NYS School Tax Relief (STAR) Program

2012/2013 Final Assessment Rolls

2013/2014 Tentative Assessment Rolls

2013/2014 Final Assessment Rolls

To Understand How Your School District's
Proposed 2014-15 Budget May Impact
Your Share of the School Property Tax Pie.

School Property Tax Calculator for Homeowners