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Suffolk County, NY Parcels & GIS Data

Suffolk County, NY parcel data: 586,548 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 586,548 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

Official county website: http://www.suffolkcountyny.gov

The FIPS code for Suffolk County is 36103.

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Attribute coverage

Suffolk County contains 586,548 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%586,548
parcelid100%586,548
parcelid299.0%580,625
ogparcelid100%586,548
ogparcelid299.0%580,625
parentid<0.1%0
stackid<0.1%0
geoid100%586,548
statefp100%586,548
countyfp100%586,548
countyname100%586,548
cousubfp100%586,548
cousubname100%586,548
tractce100%586,548
tractname100%586,548
taxacctnum99.0%580,625
taxyear100%586,548
taxdistrict99.0%580,625
usecode0.4%2,593
usedesc0.4%2,594
zoningcode16.4%95,907
zoningdesc16.6%97,348
numbldgs87.8%515,230
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%578,195
agvalue87.3%512,325
totalvalue98.6%578,194
taxacres98.9%580,146
calcarea100%586,548
saleamt<0.1%0
saledate<0.1%0
ownertype99.0%580,402
ownername99.0%580,402
owneraddr96.7%567,119
ownercity98.8%579,714
ownerstate94.7%555,356
ownerzip85.9%504,134
parceladdr99.9%586,246
parcelcity100%586,548
parcelstate100%586,548
parcelzip100%586,373
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%368,383
page62.8%368,383
block<0.1%0
lot<0.1%0
parceltype1.6%9,235
accesstype1.6%9,235
iucnclass0.6%3,340
placename5.5%32,239
placetype5.4%31,766
firmid100%586,295
firmdate100%586,295
fldzone100%586,295
zonesubty94.0%551,638
staticbfe5.8%34,056
elevmin99.9%585,881
elevmax99.9%585,881
elevavg99.9%585,881
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%94,110
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated16.6%97,349
centroidx100%586,548
centroidy100%586,548
surfpointx100%586,548
surfpointy100%586,548
geom100%586,548
extras100%586,548
ownerlist98.8%579,506
placefp99.9%585,978
zoningurl<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) 2 entities · most recent acquisition per entity · generated 2026-08-30 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 ZONING geom zoning generalzon ecode 1 cols ⇢ geom zoningcode zoningtype ordinance extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 16.6% 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 98.8% ownerlist 100% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc zoningcode 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 ownerlist placefp publish.parcel_layer columns not fed by these sources (34) — empty or below 50% fill in this county parentid, stackid, 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, zoningurl 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 ZONING 4 mapped · 1 kept in extras · 5 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING geom zoning generalzon ecode geom zoningcode zoningtype ordinance extras · 1 source columns preserved as json globalid extras not present in source — filled with NULL (5) zoningdesc, setbacks, restrictions, notes, sourceurl

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 586,548 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.

Does Suffolk County, NY have an official GIS or property records website?

Yes — the official Suffolk County, NY government website is linked in the county details above. Land Records standardizes Suffolk County, NY assessor and recorder records into a single nationwide parcel schema with GIS boundary geometry.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated