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Nassau County GIS and Mapping Search

Explore all GIS and Mapping in Nassau County. GIS, short for Geographic Information Systems, provides geographic information based on maps or databases. Most states and counties provide free online GIS maps, via which people could search for a variety of data about the selected area.

Public Records Search

  • Assessor and Property Tax Records, Foreclosures and Tax Lien Sales, GIS and Mapping, Land Records and Deeds, Permits and Inspections, Sustainability and Environmental Health, Voter and Elections Information
    Nassau County Department of Assessment
    240 Old Country Road, Mineola, NY 11501
    Phone: (516) 571-1500
  • GIS and Mapping, Land Records and Deeds
    View Freeport City Building Department flood management information including news, property protection methods, storm tips and useful links.
  • GIS and Mapping, Land Records and Deeds
    View Nassau County maps, including master map and historical Nassau map.
  • GIS and Mapping, Sustainability and Environmental Health
    View the Village of Freeport flood management information including flood zone map.
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