This viewer contains a set of property maps of every parcel within the County of Nassau. The public information contained herein is furnished as a public service by Nassau County for use …

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The Nassau County interactive map displays GIS data that is subject to continual updating, change and the data accuracy representations adjustments over time.

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Explore Nassau County's interactive maps and enrich them with your own data to create new maps and map layers.

Click Here for Information on the New Local Law Verification of Tax Map. If you are seeking a Tax Map Verification Letter for a newly apportioned parcel, please contact Nassau County …

Explore Nassau County's GIS portal for maps and geographic information system data.

Search for Properties located within Nassau County. Search the Nassau County Interactive GIS Maps & Spatial Data. File Online for Homestead Exemption. Calculate the Estimated Ad …

The AcreValue Nassau County, NY plat map, sourced from the Nassau County, NY tax assessor, indicates the property boundaries for each parcel of land, with information about the …

Access Nassau County's GIS maps for detailed cadastral maps, government records, tax maps, and public land surveys. These tools are essential for urban planning and property …