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Will County, IL Parcels & GIS Data

Will County, IL parcel data: 327,963 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Will County, Illinois parcel data covering 327,963 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 327,963 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%327,963
parcelid100%327,963
parcelid286.8%284,726
ogparcelid100%327,963
ogparcelid286.8%284,725
parentid16.1%52,893
stackid15.4%50,429
geoid100%327,963
statefp100%327,963
countyfp100%327,963
countyname100%327,963
cousubfp100%327,963
cousubname100%327,963
tractce100%327,963
tractname100%327,963
taxacctnum<0.1%0
taxyear100%327,963
taxdistrict85.7%280,910
usecode85.7%280,910
usedesc3.2%10,424
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs86.8%284,725
numunits79.8%261,748
yearbuilt<0.1%1
numfloors0.3%1,012
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue91.5%300,190
landvalue91.5%300,190
agvalue91.5%300,190
totalvalue98.8%324,105
taxacres85.8%281,483
calcarea100%327,963
saleamt<0.1%1
saledate<0.1%0
ownertype<0.1%2
ownername<0.1%2
owneraddr<0.1%2
ownercity<0.1%1
ownerstate<0.1%1
ownerzip<0.1%1
parceladdr99.1%324,903
parcelcity99.1%325,010
parcelstate100%327,963
parcelzip100%327,963
legaldesc<0.1%1
township100%327,957
section100%327,957
qtrsection100%327,957
range100%327,957
plssdesc100%327,957
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%327,963
firmdate100%327,963
fldzone100%327,963
zonesubty97.4%319,544
staticbfe0.1%171
elevmin17.8%58,438
elevmax17.8%58,438
elevavg17.8%58,438
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%37,004
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%327,962
centroidx100%327,963
centroidy100%327,963
surfpointx100%327,963
surfpointy100%327,963
geom100%327,963
extras100%327,963
ownerlist<0.1%2
placefp87.0%285,449
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 2026-08-15 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 327,963 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