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Will County, IL Parcels & GIS Data

Will County, IL parcel data: 327,965 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Will County, Illinois parcel data covering 327,965 property records.

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

Will County is located in the northeastern part of the state of Illinois. According to the 2020 census, it had a population of 696,355, an increase of 2.8% from 677,560 in 2010, making it Illinois's fourth-most populous county. The county seat is Joliet. Will County is one of the five collar counties of the Chicago metropolitan area.

FIPS 17197

Official county website: https://www.willcountyillinois.com/

The FIPS code for Will County is 17197.

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Attribute coverage

Will County contains 327,965 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%327,965
parcelid100%327,965
parcelid286.8%284,729
ogparcelid100%327,965
ogparcelid286.8%284,729
parentid16.1%52,895
stackid15.4%50,429
geoid100%327,965
statefp100%327,965
countyfp100%327,965
countyname100%327,965
cousubfp100%327,965
cousubname100%327,965
tractce100%327,965
tractname100%327,965
taxacctnum<0.1%0
taxyear100%327,965
taxdistrict85.7%280,912
usecode85.7%280,912
usedesc3.2%10,422
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs86.8%284,729
numunits79.8%261,748
yearbuilt<0.1%0
numfloors0.3%1,012
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue91.5%300,108
landvalue91.5%300,188
agvalue91.5%300,188
totalvalue98.8%324,107
taxacres85.8%281,485
calcarea100%327,965
saleamt<0.1%0
saledate<0.1%0
ownertype<0.1%0
ownername<0.1%0
owneraddr<0.1%0
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr99.1%324,905
parcelcity99.1%325,013
parcelstate100%327,965
parcelzip100%327,965
legaldesc<0.1%0
township100%327,959
section100%327,959
qtrsection100%327,959
range100%327,959
plssdesc100%327,959
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.7%2,329
accesstype0.7%2,329
iucnclass0.3%1,027
placename11.3%37,002
placetype10.9%35,702
firmid100%327,965
firmdate100%327,965
fldzone100%327,965
zonesubty97.4%319,546
staticbfe0.1%171
elevmin17.8%58,440
elevmax17.8%58,440
elevavg17.8%58,440
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
naicscode11.3%37,002
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%327,965
centroidx100%327,965
centroidy100%327,965
surfpointx100%327,965
surfpointy100%327,965
geom100%327,965
extras100%327,965
ownerlist<0.1%0
placefp87.0%285,451
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Will 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 — Will County, Illinois (17197) 1 entity · 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 pin pin_recorder valuation_date property_class equalized_value acres housenumbe addr_fract prefixdire prefixtype streetname suffixtype suffixdire city state zip_code geom tax_code part_of 6 cols ⇢ parcelid parcelid2 taxyear usecode totalvalue taxacres parceladdr parcelcity parcelstate parcelzip geom taxdistrict parentid extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 17.8% elevmin 17.8% elevmax 17.8% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 97.4% zonesubty 0.1% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 86.8% numbldgs 79.8% numunits 91.5% imprvalue 91.5% landvalue 91.5% agvalue 100% township 100% section 100% qtrsection 100% range 100% plssdesc 87.0% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 parentid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict usecode numbldgs numunits imprvalue landvalue agvalue totalvalue taxacres calcarea parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras placefp publish.parcel_layer columns not fed by these sources (45) — empty or below 50% fill in this county stackid, taxacctnum, usedesc, zoningcode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, saleamt, saledate ownertype, ownername, owneraddr, ownercity, ownerstate, ownerzip, legaldesc, book, page, block, lot, parceltype, accesstype, iucnclass placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit cwapermit, rcrapermit, ownerlist, zoningurl PARCEL 13 mapped · 2 transformed · 6 kept in extras · 41 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pin pin_recorder valuation_date property_class equalized_value acres housenumbe addr_fract prefixdire prefixtype streetname suffixtype suffixdire city state zip_code geom tax_code part_of parcelid parcelid2 taxyear substring(valuation_date from '[0-9]{4}$')::text usecode totalvalue taxacres parceladdr concat_ws(' ', NULLIF(housenumbe, ''), NULLIF(addr_fract, ''), … parcelcity parcelstate parcelzip geom taxdistrict parentid extras · 6 source columns preserved as json county, addr_other, notes, dxf_text, tax_exempt_code esri_oid extras not present in source — filled with NULL (41) taxacctnum, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue landvalue, agvalue, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, legaldesc, township, section, qtrsection, range plssdesc, book, page, block, lot, updated, sourceurl, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Will County:

Frequently asked questions

Where can I find Will County, IL parcel and GIS data?

Land Records publishes a Will County, IL 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 Will County, IL dataset as a GeoPackage or CSV.

How many parcels are in Will County, IL?

The current dataset contains 327,965 parcel records for Will County, IL, each with its boundary geometry and assessor attributes.

What is the FIPS code for Will County, IL?

The FIPS code for Will County, IL is 17197.

What information does each Will County, IL parcel record include?

Each Will County, IL 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 Will County, IL parcel data free?

You can preview Will County, IL 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 Will County, IL have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated