Last Updated:
2026-Q2
Parcels in County:
407,645
Parcel data available to download as a GDB, GeoPackage, Shapefile, Excel, CSV, or Google Earth KML file.
All purchased data comes with six months of access, including any updates, at no additional cost.
Key attribute coverage for Nassau County
The percentage of Nassau County parcels containing the following key attributes:
Owner: 99.5%
Parcel Number: 99.8%
Acreage (Calculated): 100%
Site Address: 99.7%
Mailing Address: 99.5%
All available attributes in Nassau County
Parcel Number
Owner
Building Size
Land Use Code
Land Use Class
Acreage (deeded)
Zip Code
Flood Zone
Flood Zone Subtype
Census Tract
Census Block
Total Market Value
Land Market Value
Building Market Value
Mail Address1
Mail Address3
Year Built
Bedrooms
Fullbath
Buildings
Land Cover
Elevation
Owner Occupied
Robust Id
Usps Residential
Alt Id 1
Alt Id 2
Crop Cover
Acreage Adjacent With Sameowner
Municipalities Respresented in Nassau County
Glen Cove City: 7,664
Hempstead Town: 224,100
Long Beach City: 7,971
North Hempstead Town: 69,069
Oyster Bay Town: 98,748
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