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Waukesha County, WI Parcels & GIS Data

Waukesha County, WI parcel data: 168,266 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Waukesha County, Wisconsin parcel data covering 168,266 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 county seat and largest city is Waukesha.

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 168,266 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL). For the LBCS columns, only real classifications count: the to-be-determined and not-applicable placeholder codes are excluded.

ColumnCoverageRecords populated
lrid100%168,266
parcelid100%168,266
parcelid2100%168,266
ogparcelid100%168,266
ogparcelid2100%168,266
parentid<0.1%0
stackid<0.1%0
geoid100%168,266
statefp100%168,266
countyfp100%168,266
countyname100%168,266
cousubfp100%168,266
cousubname100%168,266
tractce100%168,266
tractname100%168,266
taxacctnum<0.1%31
taxyear100%168,266
taxdistrict99.0%166,527
usecode93.5%157,258
usedesc1.8%2,987
zoningcode6.6%11,184
zoningdesc6.3%10,586
numbldgs89.9%151,350
numunits88.8%149,376
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue98.8%166,273
landvalue98.9%166,465
agvalue<0.1%1
totalvalue98.9%166,466
taxacres98.9%166,416
calcarea100%168,266
saleamt<0.1%0
saledate<0.1%0
ownertype97.9%164,731
ownername97.9%164,731
owneraddr97.1%163,374
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr93.0%156,519
parcelcity98.9%166,376
parcelstate100%168,266
parcelzip100%168,266
legaldesc<0.1%0
township99.9%168,149
section99.9%168,149
qtrsection99.9%168,149
range99.9%168,149
plssdesc99.9%168,149
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.5%872
accesstype0.6%1,023
iucnclass0.3%494
placename6.5%10,905
placetype6.4%10,765
firmid100%168,264
firmdate100%168,264
fldzone100%168,264
zonesubty98.9%166,335
staticbfe0.1%140
elevmin99.8%167,923
elevmax99.8%167,923
elevavg99.8%167,923
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
naicscode7.5%12,546
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%168,266
centroidx100%168,266
centroidy100%168,266
surfpointx100%168,266
surfpointy100%168,266
geom100%168,266
extras100%168,266
ownerlist74.7%125,741
placefp86.2%144,988
zoningurl6.6%11,184
lbcsactivity95.2%160,211
lbcsfunction94.9%159,732
lbcstype95.4%160,482
lbcscharacter95.2%160,220
lbcsownership98.0%164,830
sourceurl<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) 2 entities · most recent acquisition per entity · generated 2026-10-10 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 taxparceli taxrollyea propclass impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode loaddate geom schooldist id parceldate addnumpref addnum addnumsuff prefix streetname streettype suffix landmarkna unittype unitid zip4 schooldi_1 mflvalue estfmkvalu netprpta grsprpta auxclass deedacres gisacres coname parcelfips parcelsrc longitude latitude parcelid parcelid2 taxacctnum taxyear usecode imprvalue landvalue totalvalue taxacres ownername owneraddr parceladdr parcelcity parcelstate parcelzip updated geom taxdistrict extras ZONING code ordinanceu geom objectid_1 uid userid editdate overlay acres todd_zoning zoningcode ordinance geom 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 89.9% numbldgs 88.8% numunits 100% township 100% section 100% qtrsection 100% range 100% plssdesc 74.7% ownerlist 86.2% placefp 95.2% lbcsactivity 94.9% lbcsfunction 95.4% lbcstype 95.2% lbcscharacter 98.0% lbcsownership lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode zoningcode 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 lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership publish.parcel_layer columns not fed by these sources (42) — empty or below 50% fill in this county parentid, stackid, usedesc, 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, sourceurl PARCEL 19 mapped · 14 transformed · 36 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid stateid taxparceli taxrollyea propclass impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode loaddate geom schooldist id parceldate addnumpref addnum addnumsuff prefix streetname streettype suffix landmarkna unittype unitid zip4 schooldi_1 mflvalue estfmkvalu netprpta grsprpta auxclass deedacres gisacres coname parcelfips parcelsrc longitude latitude parcelid NULLIF(trim(parcelid), '')::text parcelid2 NULLIF(trim(stateid), '')::text taxacctnum NULLIF(trim(taxparceli), '')::text taxyear NULLIF(trim(taxrollyea), '')::text usecode NULLIF(trim(propclass), '')::text imprvalue landvalue totalvalue taxacres ownername NULLIF(concat_ws(';', NULLIF(trim(ownernme1), ''), NULLIF(trim(… owneraddr NULLIF(trim(pstladress), '')::text parceladdr NULLIF(trim(siteadress), '')::text parcelcity NULLIF(trim(placename), '')::text parcelstate NULLIF(trim(state), '')::text parcelzip NULLIF(trim(zipcode), '')::text updated NULLIF(trim(loaddate), '')::text geom taxdistrict NULLIF(trim(schooldist), '')::text extras ( json_build_object( 'id', id::text, 'parceldate', NULLIF(trim(… 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 heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding ZONING 4 mapped · 1 transformed · 6 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING code ordinanceu geom objectid_1 uid userid editdate overlay acres todd_zoning zoningcode ordinance geom extras json_build_object( 'objectid_1', objectid_1::text, 'uid', uid::… not present in source — filled with NULL (6) zoningdesc, zoningtype, setbacks, restrictions, notes, sourceurl

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 168,266 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