240 Old Country Rd.
Mineola, NY 11501 (516) 571-1500
Thaddeus J. Jankowski, Jr. County Assessor
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 418,000 properties with a value of $309 billion. ...more...