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Waukesha County, WI Parcels & GIS Data

Waukesha County, WI parcel data: 164,308 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Waukesha County, Wisconsin parcel data covering 164,308 property records.

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

Waukesha County is a county in the U.S. state of Wisconsin. As of the 2020 United States Census, the population was 406,978, making it the third-most populous county in Wisconsin. Its median income of $88,985 placed it as the only county in Wisconsin on the list of the 100 highest-income counties in the U.S.

FIPS 55133

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

The FIPS code for Waukesha County is 55133.

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Attribute coverage

Waukesha County contains 164,308 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%164,308
parcelid100%164,308
parcelid2100%164,308
ogparcelid100%164,308
ogparcelid2100%164,308
parentid<0.1%0
stackid<0.1%0
geoid100%164,308
statefp100%164,308
countyfp100%164,308
countyname100%164,308
cousubfp100%164,308
cousubname100%164,308
tractce100%164,308
tractname100%164,308
taxacctnum<0.1%31
taxyear98.8%162,352
taxdistrict100%164,278
usecode94.2%154,808
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs98.7%162,100
numunits87.9%144,452
yearbuilt<0.1%0
numfloors0.1%213
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue89.2%146,639
landvalue94.0%154,459
agvalue<0.1%0
totalvalue94.0%154,529
taxacres97.7%160,538
calcarea100%164,308
saleamt<0.1%0
saledate<0.1%0
ownertype98.8%162,348
ownername98.8%162,348
owneraddr98.0%161,054
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr99.4%163,320
parcelcity100%164,235
parcelstate100%164,308
parcelzip100%164,308
legaldesc<0.1%0
township99.9%164,212
section99.9%164,212
qtrsection99.9%164,212
range99.9%164,212
plssdesc99.9%164,212
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.6%982
accesstype0.6%982
iucnclass0.3%460
placename6.5%10,697
placetype6.4%10,566
firmid100%164,306
firmdate100%164,306
fldzone100%164,306
zonesubty98.9%162,426
staticbfe0.1%141
elevmin99.8%163,968
elevmax99.8%163,968
elevavg99.8%163,968
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
naicscode13.6%22,373
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%164,308
centroidx100%164,308
centroidy100%164,308
surfpointx100%164,308
surfpointy100%164,308
geom100%164,308
extras100%164,308
ownerlist98.8%162,299
placefp86.2%141,580
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Waukesha 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 — Waukesha County, Wisconsin (55133) 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 parcelid stateid taxparcelid taxrollyear propclass impvalue lndvalue cntassdvalue assdacres ownernme1 pstladress siteadress placename state zipcode loaddate geom schooldist 29 cols ⇢ parcelid parcelid2 taxacctnum taxyear usecode imprvalue landvalue totalvalue taxacres ownername owneraddr parceladdr parcelcity parcelstate parcelzip updated geom taxdistrict extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 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 98.9% zonesubty 0.1% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 98.7% numbldgs 87.9% numunits 100% township 100% section 100% qtrsection 100% range 100% plssdesc 98.8% ownerlist 86.2% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode numbldgs numunits imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (42) — empty or below 50% fill in this county parentid, stackid, usedesc, zoningcode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, saledate 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, zoningurl PARCEL 18 mapped · 29 kept in extras · 36 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid stateid taxparcelid taxrollyear propclass impvalue lndvalue cntassdvalue assdacres ownernme1 pstladress siteadress placename state zipcode loaddate geom schooldist parcelid parcelid2 taxacctnum taxyear usecode imprvalue landvalue totalvalue taxacres ownername owneraddr parceladdr parcelcity parcelstate parcelzip updated geom taxdistrict extras · 29 source columns preserved as json parceldate, ownernme2, addnumprefix, addnum, addnumsuffix prefix, streetname, streettype, suffix, landmarkname unittype, unitid, zip4, schooldistno, improved, forestvalue estfmkvalue, netprpta, grsprpta, auxclass, deedacres gisacres, coname, parcelfips, parcelsrc, shape_area shape_len, longitude, latitude extras not present in source — filled with NULL (36) usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, saledate ownercity, ownerstate, ownerzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, sourceurl, parentid fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering Waukesha County:

Frequently asked questions

Where can I find Waukesha County, WI parcel and GIS data?

Land Records publishes a Waukesha County, WI 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 Waukesha County, WI dataset as a GeoPackage or CSV.

How many parcels are in Waukesha County, WI?

The current dataset contains 164,308 parcel records for Waukesha County, WI, each with its boundary geometry and assessor attributes.

What is the FIPS code for Waukesha County, WI?

The FIPS code for Waukesha County, WI is 55133.

What information does each Waukesha County, WI parcel record include?

Each Waukesha County, WI 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 Waukesha County, WI parcel data free?

You can preview Waukesha County, WI 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 Waukesha County, WI have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated