Nassau County, NY Parcels & GIS Data
Nassau County, NY parcel data: 385,424 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.
Land Records publishes Nassau County, New York parcel data covering 385,424 property records.
This page documents parcel-level coverage for Nassau County, New York. Each parcel record carries its boundary polygon (GIS geometry) along with attributes such as the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and most recent sale price and date. Exact fill rates for Nassau County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Nassau County property dataset.
Nassau County is a densely populated and affluent suburban county located on Long Island, immediately to the east of New York City, bordering the Long Island Sound on the north and the open Atlantic Ocean to the south. As of the 2020 United States census, Nassau County's population was 1,395,774, making it the sixth-most populous county in the State of New York and 29th in the nation, reflecting an increase of 56,242 (+4.2%) from the 1,339,532 residents enumerated at the 2010 census. By 2025, Nassau's population was approaching 1.4 million, driven by a high influx of Asians. The county seat is Mineola, while Nassau County's largest and most populous town is Hempstead.
Official county website: http://www.nassaucountyny.gov
The FIPS code for Nassau County is 36059.
Attribute coverage
Nassau County contains 385,424 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).
| Column | Coverage | Records populated |
|---|---|---|
lrid | 100% | 385,424 |
parcelid | 99.8% | 384,838 |
parcelid2 | 99.8% | 384,839 |
ogparcelid | <0.1% | 0 |
ogparcelid2 | <0.1% | 0 |
parentid | <0.1% | 0 |
stackid | <0.1% | 0 |
geoid | 100% | 385,424 |
statefp | 100% | 385,424 |
countyfp | 100% | 385,424 |
countyname | 100% | 385,424 |
cousubfp | 100% | 385,424 |
cousubname | 100% | 385,424 |
tractce | 100% | 385,424 |
tractname | 100% | 385,424 |
taxacctnum | <0.1% | 0 |
taxyear | 65.5% | 252,488 |
taxdistrict | <0.1% | 0 |
usecode | 59.1% | 227,936 |
usedesc | 59.1% | 227,930 |
zoningcode | <0.1% | 0 |
zoningdesc | <0.1% | 0 |
numbldgs | 61.7% | 237,767 |
numunits | 56.7% | 218,411 |
yearbuilt | <0.1% | 0 |
numfloors | 51.2% | 197,309 |
bldgsqft | <0.1% | 0 |
bedrooms | <0.1% | 0 |
halfbaths | <0.1% | 0 |
fullbaths | <0.1% | 0 |
imprvalue | <0.1% | 0 |
landvalue | <0.1% | 0 |
agvalue | <0.1% | 0 |
totalvalue | <0.1% | 0 |
taxacres | <0.1% | 7 |
calcarea | 100% | 385,424 |
saleamt | <0.1% | 0 |
saledate | <0.1% | 0 |
ownertype | <0.1% | 0 |
ownername | 0.4% | 1,697 |
owneraddr | <0.1% | 4 |
ownercity | <0.1% | 7 |
ownerstate | <0.1% | 6 |
ownerzip | <0.1% | 7 |
parceladdr | 92.9% | 358,242 |
parcelcity | <0.1% | 109 |
parcelstate | 99.9% | 384,848 |
parcelzip | <0.1% | 6 |
legaldesc | 43.4% | 167,463 |
township | <0.1% | 0 |
section | 65.2% | 251,395 |
qtrsection | <0.1% | 0 |
range | <0.1% | 0 |
plssdesc | <0.1% | 0 |
book | <0.1% | 0 |
page | <0.1% | 0 |
parceltype | 0.4% | 1,704 |
accesstype | 0.4% | 1,704 |
iucnclass | 0.1% | 303 |
placename | 0.5% | 2,068 |
placetype | 0.4% | 1,704 |
firmid | <0.1% | 0 |
firmdate | <0.1% | 0 |
fldzone | <0.1% | 0 |
zonesubty | <0.1% | 0 |
staticbfe | <0.1% | 0 |
elevmin | 100% | 385,395 |
elevmax | 100% | 385,395 |
elevavg | 100% | 385,395 |
fireplaces | <0.1% | 0 |
heating | <0.1% | 0 |
heatfuel | <0.1% | 0 |
cooling | <0.1% | 0 |
foundation | <0.1% | 0 |
roofcover | <0.1% | 0 |
siding | <0.1% | 0 |
updated | 65.8% | 253,474 |
centroidx | 100% | 385,424 |
centroidy | 100% | 385,424 |
surfpointx | 100% | 385,424 |
surfpointy | 100% | 385,424 |
geom | 100% | 385,424 |
lrversion | 100% | 385,424 |
Neighboring counties
Parcel data for counties bordering Nassau County: