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Jefferson County, NY Parcels & GIS Data

Jefferson County, NY parcel data: 58,330 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Jefferson County, New York parcel data covering 58,330 property records.

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

Jefferson County is a county on the northern border of the U.S. state of New York. As of the 2020 census, the population was 116,721. Its county seat is Watertown.

FIPS 36045

Official county website: http://www.co.jefferson.ny.us

The FIPS code for Jefferson County is 36045.

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Attribute coverage

Jefferson County contains 58,330 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%58,330
parcelid100%58,330
parcelid2100%58,330
ogparcelid100%58,330
ogparcelid2100%58,330
parentid<0.1%0
stackid<0.1%0
geoid100%58,330
statefp100%58,330
countyfp100%58,330
countyname100%58,330
cousubfp100%58,330
cousubname100%58,330
tractce100%58,330
tractname100%58,330
taxacctnum<0.1%1
taxyear<0.1%1
taxdistrict<0.1%1
usecode<0.1%0
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs74.5%43,453
numunits<0.1%0
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%0
landvalue<0.1%1
agvalue<0.1%0
totalvalue<0.1%1
taxacres100%58,330
calcarea100%58,330
saleamt<0.1%0
saledate<0.1%0
ownertype<0.1%1
ownername<0.1%1
owneraddr<0.1%1
ownercity<0.1%1
ownerstate<0.1%1
ownerzip<0.1%1
parceladdr93.5%54,525
parcelcity93.5%54,525
parcelstate100%58,330
parcelzip99.9%58,294
legaldesc<0.1%0
township<0.1%0
section<0.1%0
qtrsection<0.1%0
range<0.1%0
plssdesc<0.1%0
book<0.1%1
page<0.1%1
block<0.1%0
lot<0.1%0
parceltype1.2%710
accesstype1.2%710
iucnclass0.8%462
placename5.5%3,182
placetype5.4%3,124
firmid99.1%57,826
firmdate99.1%57,826
fldzone99.1%57,826
zonesubty4.4%2,588
staticbfe<0.1%0
elevmin96.7%56,420
elevmax96.7%56,420
elevavg96.7%56,420
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
bldgtype<0.1%0
naicscode5.5%3,182
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated<0.1%1
centroidx100%58,330
centroidy100%58,330
surfpointx100%58,330
surfpointy100%58,330
geom100%58,330
extras100%58,330
ownerlist<0.1%1

Schema mapping

How source columns from the acquired Jefferson 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 — Jefferson County, New York (36045) 1 entity · most recent acquisition per entity · generated 2026-08-08 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 96.7% elevmin 96.7% elevmax 96.7% elevavg s_fld_haz_ar · FEMA NFHL 99.1% fldzone 4.4% zonesubty 99.1% firmdate 99.1% firmid supplemented · derived / other pipelines 74.5% numbldgs 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 landvalue totalvalue taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip book page firmid firmdate fldzone zonesubty elevmin elevmax elevavg heating heatfuel updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (38) — empty or below 50% fill in this county parentid, stackid, zoningcode, zoningdesc, numunits, numfloors, halfbaths, imprvalue, agvalue, saleamt, saledate, legaldesc, township, section qtrsection, range, plssdesc, block, lot, parceltype, accesstype, iucnclass, placename, placetype, staticbfe, 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 Jefferson County:

Frequently asked questions

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

Land Records publishes a Jefferson 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 Jefferson County, NY dataset as a GeoPackage or CSV.

How many parcels are in Jefferson County, NY?

The current dataset contains 58,330 parcel records for Jefferson County, NY, each with its boundary geometry and assessor attributes.

What is the FIPS code for Jefferson County, NY?

The FIPS code for Jefferson County, NY is 36045.

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

Each Jefferson 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 Jefferson County, NY parcel data free?

You can preview Jefferson 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 Jefferson County, NY have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated