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Waukesha County, WI Parcels & GIS Data

Waukesha County, WI parcel data: 164,174 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Waukesha County, Wisconsin parcel data covering 164,174 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 164,174 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%164,174
parcelid100%164,174
parcelid2100%164,174
ogparcelid100%164,174
ogparcelid2100%164,174
parentid<0.1%0
stackid<0.1%0
geoid100%164,174
statefp100%164,174
countyfp100%164,174
countyname100%164,174
cousubfp100%164,174
cousubname100%164,174
tractce100%164,174
tractname100%164,174
taxacctnum<0.1%0
taxyear98.8%162,220
taxdistrict100%164,144
usecode94.2%154,699
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs98.7%162,040
numunits88.0%144,417
yearbuilt<0.1%0
numfloors0.1%213
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue89.3%146,554
landvalue94.0%154,350
agvalue<0.1%0
totalvalue94.1%154,420
taxacres97.8%160,488
calcarea100%164,174
saleamt<0.1%0
saledate<0.1%0
ownertype98.8%162,219
ownername98.8%162,219
owneraddr98.0%160,926
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr99.4%163,178
parcelcity100%164,101
parcelstate100%164,174
parcelzip100%164,174
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%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.6%980
accesstype0.6%980
iucnclass0.3%464
placename6.5%10,683
placetype6.4%10,553
firmid100%164,172
firmdate100%164,172
fldzone100%164,172
zonesubty98.9%162,294
staticbfe0.1%143
elevmin99.8%163,830
elevmax99.8%163,830
elevavg99.8%163,830
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%22,337
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%164,174
centroidx100%164,174
centroidy100%164,174
surfpointx100%164,174
surfpointy100%164,174
geom100%164,174
extras100%164,174
ownerlist<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 2026-07-25 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 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 88.0% numunits 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 firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (47) — 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, township, section, qtrsection, range, plssdesc, book, page, block, lot, parceltype, accesstype iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl caapermit, cwapermit, rcrapermit, ownerlist 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 164,174 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