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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%0

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 2026-07-25 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 parcelid apn taxacres parcelstate sourceurl geom 5 cols ⇢ parcelid parcelid2 taxacres parcelstate sourceurl geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 0.0% taxyear 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 93.5% parceladdr 93.5% parcelcity 100% parcelzip lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear numbldgs taxacres calcarea parceladdr parcelcity parcelstate parcelzip firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (58) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxdistrict, usecode, usedesc, zoningcode, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownertype, ownername, owneraddr, ownercity, ownerstate ownerzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, parceltype, accesstype, iucnclass, placename placetype, staticbfe, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit cwapermit, rcrapermit, ownerlist PARCEL 6 mapped · 5 kept in extras · 48 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid apn taxacres parcelstate sourceurl geom parcelid parcelid2 taxacres parcelstate sourceurl geom extras · 5 source columns preserved as json gid, county_name, fips_code, vintage_id, geoid extras not present in source — filled with NULL (48) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, parceladdr parcelcity, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated, taxdistrict, parentid fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

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