Nassau County Tax Assessor


Nassau Tax Assessor offices are responsible to carry out the mandate of New York in Nassau county. The law mandates that all real properties are subject to taxation unless exemption is imposed. Tax assessments are necessary in support to the required services to NY residents. Tax assessments go to services such as those provided for law enforcement, education, fire protection, parks and recreation, and many more.

The Nassau county directory portal for local tax assessor offices provides a comprehensive guide to the public. The site includes the name of the assigned tax assessor office for easy reference and related transaction.


Nassau Tax Assessor: Nassau County Department of Assessment

Tax Assessor Office Address: 240 Old Country Road, Mineola, NY 11501

Phone: (516) 571-1500

Fax: N/A

Website: http://www.nassaucountyny.gov/1501/Assessment

Zip Code: 516

Office Hours: Eastern

Schedule an Appointment with Nassau County, New York Property Tax Assessor

The Nassau county, NY tax assessor office provides the necessary services to estimate the real property value within its jurisdiction. The property value is an essential component in computing the property tax bills. The Nassau tax assessor office is also tasked to provide supplemental bills, business property taxes, and other vital information for transparency.

Contact your Nassau tax assessor office for tax information and other related inquiries and concerns.