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Suffolk County, NY Parcels & GIS Data

Suffolk County, NY parcel data: 586,570 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Suffolk County, New York parcel data covering 586,570 property records.

This page documents parcel-level coverage for Suffolk 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 Suffolk County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete Suffolk County property dataset.

Suffolk County is the easternmost county in the U.S. state of New York, constituting the eastern two-thirds of Long Island. Suffolk is bordered to its west by Nassau County, to its east by Gardiners Bay and the open Atlantic Ocean, to its north by Long Island Sound, and to its south by the Atlantic Ocean.

FIPS 36103

The FIPS code for Suffolk County is 36103.

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WashingtonNassauGreater BridgeportSouth Central ConnecticutSoutheastern ConnecticutSuffolk
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Attribute coverage

Suffolk County contains 586,570 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%586,570
parcelid100%586,570
parcelid299.0%580,651
ogparcelid100%586,570
ogparcelid299.0%580,651
parentid<0.1%0
stackid<0.1%0
geoid100%586,570
statefp100%586,570
countyfp100%586,570
countyname100%586,570
cousubfp100%586,570
cousubname100%586,570
tractce100%586,570
tractname100%586,570
taxacctnum99.0%580,616
taxyear100%586,535
taxdistrict99.0%580,616
usecode0.4%2,593
usedesc0.4%2,594
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs87.8%515,265
numunits13.7%80,525
yearbuilt13.7%80,496
numfloors<0.1%0
bldgsqft13.3%77,818
bedrooms13.3%77,818
halfbaths<0.1%0
fullbaths13.3%77,818
imprvalue87.3%512,325
landvalue98.6%578,186
agvalue87.3%512,325
totalvalue98.6%578,185
taxacres98.9%580,137
calcarea100%586,570
saleamt<0.1%0
saledate<0.1%0
ownertype98.9%580,393
ownername98.9%580,393
owneraddr96.7%567,110
ownercity98.8%579,705
ownerstate94.7%555,347
ownerzip85.9%504,125
parceladdr99.9%586,269
parcelcity100%586,570
parcelstate100%586,570
parcelzip100%586,395
legaldesc<0.1%0
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book62.8%368,381
page62.8%368,381
block<0.1%16
lot<0.1%0
parceltype1.6%9,233
accesstype1.6%9,233
iucnclass0.6%3,338
placename5.5%32,237
placetype5.4%31,764
firmid100%586,317
firmdate100%586,317
fldzone100%586,317
zonesubty94.0%551,662
staticbfe5.8%34,054
elevmin99.9%585,903
elevmax99.9%585,903
elevavg99.9%585,903
fireplaces<0.1%0
heating13.3%77,818
heatfuel13.3%77,818
cooling13.3%77,818
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
bldgtype<0.1%0
naicscode16.0%94,105
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated<0.1%35
centroidx100%586,570
centroidy100%586,570
surfpointx100%586,570
surfpointy100%586,570
geom100%586,570
extras100%586,570
ownerlist<0.1%0

Schema mapping

How source columns from the acquired Suffolk County GIS layers map into the harmonized entity schemas and assemble into the published parcel table, alongside supplemented fields (elevation, flood zone) and deterministic columns.

Schema mapping — Suffolk County, New York (36103) 1 entity · most recent acquisition per entity · generated 2026-07-25 direct column transformed (expression) geometry extras json supplemented determined ALL ENTITIES → FINAL PARCEL SCHEMA Harmonized entity columns assemble into publish.parcel_layer — matched by column name. Supplemented fields show their fill rate in this county. SOURCE COLUMNS HARMONIZED ENTITIES PUBLISH.PARCEL_LAYER PARCEL swis_sbl_id swis_print_key_id muni_parcel_id roll_yr used_as_code used_as_desc yr_blt sqft_living nbr_bedrooms nbr_full_baths land_av total_av acres primary_owner mail_addr mail_city mail_state mail_zip parcel_addr citytown_name loc_zip book page geom school_name heat_type_desc fuel_type_desc 45 cols ⇢ parcelid parcelid2 taxacctnum taxyear usecode usedesc yearbuilt bldgsqft bedrooms fullbaths landvalue totalvalue taxacres ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelzip book page geom taxdistrict heating heatfuel extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 0.0% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 100% elevmin 100% elevmax 100% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 94.0% zonesubty 5.8% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 87.8% numbldgs 87.3% imprvalue 87.3% agvalue 100% parcelstate lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc numbldgs yearbuilt bldgsqft bedrooms fullbaths imprvalue landvalue agvalue totalvalue taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip book page firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg heating heatfuel updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (35) — empty or below 50% fill in this county parentid, stackid, zoningcode, zoningdesc, numunits, numfloors, halfbaths, saleamt, saledate, legaldesc, township, section, qtrsection, range plssdesc, block, lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, cooling, foundation, roofcover, siding, bldgtype naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, ownerlist PARCEL 27 mapped · 45 kept in extras · 27 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL swis_sbl_id swis_print_key_id muni_parcel_id roll_yr used_as_code used_as_desc yr_blt sqft_living nbr_bedrooms nbr_full_baths land_av total_av acres primary_owner mail_addr mail_city mail_state mail_zip parcel_addr citytown_name loc_zip book page geom school_name heat_type_desc fuel_type_desc parcelid parcelid2 taxacctnum taxyear usecode usedesc yearbuilt bldgsqft bedrooms fullbaths landvalue totalvalue taxacres ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelzip book page geom taxdistrict heating heatfuel extras · 45 source columns preserved as json county_name, muni_name, swis, print_key, sbl, citytown_swis loc_st_nbr, loc_street, loc_unit, prop_class, roll_section full_market_val, front, depth, sq_ft, school_code, sewer_type sewer_desc, water_supply, water_desc, utilities utilities_desc, bldg_style, bldg_style_desc, heat_type fuel_type, nbr_kitchens, ag_dist_code, ag_dist_name, po_box add_owner, add_mail_addr, add_mail_po_box, add_mail_city add_mail_state, add_mail_zip, grid_east, grid_north spatial_yr, owner_type, nys_name, nys_name_source, dup_geo calc_acres, gfa extras not present in source — filled with NULL (27) zoningcode, zoningdesc, numbldgs, numunits, numfloors, halfbaths, imprvalue, agvalue, saleamt, saledate, parcelstate, legaldesc, township section, qtrsection, range, plssdesc, block, lot, updated, sourceurl, parentid, fireplaces, cooling, foundation, roofcover, siding

Neighboring counties

Parcel data for counties bordering Suffolk County:

Frequently asked questions

Where can I find Suffolk County, NY parcel and GIS data?

Land Records publishes a Suffolk County, NY parcel dataset in which every parcel carries its boundary polygon (GIS geometry) along with ownership, assessed value, land use, acreage, and sale history. Preview it in the interactive explorer on this page, or download the full Suffolk County, NY dataset as a GeoPackage or CSV.

How many parcels are in Suffolk County, NY?

The current dataset contains 586,570 parcel records for Suffolk County, NY, each with its boundary geometry and assessor attributes.

What is the FIPS code for Suffolk County, NY?

The FIPS code for Suffolk County, NY is 36103.

What information does each Suffolk County, NY parcel record include?

Each Suffolk County, NY parcel record includes 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 the most recent sale price and date — plus the parcel boundary polygon. Per-attribute fill rates are listed in the coverage table on this page.

Is Suffolk County, NY parcel data free?

You can preview Suffolk County, NY parcels for free in the interactive explorer. The complete dataset is available as a one-time download or through the nationwide parcel web service; see the download options on this page for current pricing.

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Attribute coverageSchema mappingNeighboring countiesFAQRelated
Suffolk County, NY Parcels & GIS Data — Property Records & Maps | Land Records