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

| Land Records Viewer. Government. Departments

** Please note, the County Assessor and County Clerk Databases’ are formatted differently and may have different place holders for section, block, and lots. Accordingly, please ensure your section block and lot conform with the official record of the Nassau County Clerk.

The Nassau County Treasurer's Office handles Tax Lien Sales. You can contact them at (516) 571-2090 or visit their website at: www.nassaucountyny.gov/agencies/Treasurer. How can I obtain information on my property assessment? Information on the assessment of your property can be found through the Nassau County Department of Assessment.

Nassau County Department of Assessment ASIE 2024. Email Address: * Password: *

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.

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

Land Record Viewer Please Login. Forgot password? Don't have an account?

Nassau County 1926. Nassau County 1950. New York State Maps. NYS 2000. NYS 2004. NYS 2007. NYS 2010. NYS 2013. Identify. Measurement Tools ...

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