Nassau County Assessor's Office in Mineola, New York

About Nassau County Assessor's Office

The Nassau County Assessor's Office, located in Mineola, New York, determines the value of all taxable property in Nassau County, NY. Taxable property includes land and commercial properties, often referred to as real property or real estate, and fixed assets owned by businesses, often referred to as personal property. Property assessments performed by the Assessor are used to determine the Nassau County property taxes owed by individual taxpayers.

• Nassau County, NY property tax assessments
• Property tax appeals and reassessments
• Paying property tax bills and due dates
• Property tax rates and tax roll
• Nassau County GIS maps, property maps, and plat maps
• Property records and deeds in Nassau County