We would like to show you a description here but the site won’t allow us.

The public information contained herein is furnished as a public service by Nassau County. Nassau County makes no warranties, expressed or implied, concerning the accuracy, completeness, reliability, or suitability for the use of this information.

(do not include directional (i.e. N, South etc.) and do not include artery (Rd., Street, Ave. etc.)

You are using a browser that is no longer supported. Please use the latest version of Google Chrome, Mozilla Firefox, Apple Safari, or Microsoft Edge.

Please fill out the form below to contact the County Executive All fields marked with a red asterisk (*) are required

Nassau County Traffic & Parking Violations Agency. All fields marked with a red asterisk (*) are required

If you are seeking a Tax Map Verification Letter for a newly apportioned parcel, please contact Nassau County Assessment at NCTaxmapverification@nassaucountyny.gov for assistance. To have ACH enabled on your account(s) please fill out …

Nassau County Department of Assessment. All fields marked with a red asterisk (*) are required

Nassau County Office of the Treasurer Delinquent Tax Application. Please use one of the two options below to search for your property Search by Address. Enter the address of your property below. A list of properties will be displayed. Select your property.

Sign in to explore this map and other maps from Nassau County, NY and enrich them with your own data to create new maps and map layers.