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Milwaukee County, WI Parcels & GIS Data

Milwaukee County, WI parcel data: 280,672 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Milwaukee County, Wisconsin parcel data covering 280,672 property records.

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

Milwaukee County is a county in the U.S. state of Wisconsin. The population was 939,489 at the 2020 census. It is both the most populous and most densely populated county in Wisconsin, containing about 15% of the state's population; it is also the 62nd-most populous county nationwide.

FIPS 55079

Official county website: https://aca-prod.accela.com/MILWAUKEE/Default.aspx

The FIPS code for Milwaukee County is 55079.

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Attribute coverage

Milwaukee County contains 280,672 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%280,672
parcelid100%280,672
parcelid2100%280,672
ogparcelid100%280,672
ogparcelid2100%280,672
parentid<0.1%0
stackid<0.1%0
geoid100%280,672
statefp100%280,672
countyfp100%280,672
countyname100%280,672
cousubfp100%280,672
cousubname100%280,672
tractce100%280,672
tractname100%280,672
taxacctnum<0.1%0
taxyear100%280,672
taxdistrict100%280,672
usecode99.8%280,008
usedesc99.9%280,346
zoningcode99.7%279,867
zoningdesc<0.1%0
numbldgs93.9%263,482
numunits93.9%263,475
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue100%280,665
landvalue100%280,665
agvalue<0.1%0
totalvalue100%280,665
taxacres100%280,669
calcarea100%280,672
saleamt<0.1%0
saledate<0.1%0
ownertype99.9%280,406
ownername99.9%280,406
owneraddr98.5%276,454
ownercity99.2%278,302
ownerstate<0.1%0
ownerzip98.4%276,079
parceladdr100%280,671
parcelcity100%280,672
parcelstate100%280,672
parcelzip100%280,672
legaldesc99.9%280,383
township100%280,630
section100%280,630
qtrsection100%280,630
range100%280,630
plssdesc100%280,630
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.2%463
accesstype0.4%1,204
iucnclass<0.1%39
placename100%280,667
placetype8.2%23,033
firmid100%280,672
firmdate100%280,672
fldzone100%280,672
zonesubty99.6%279,512
staticbfe<0.1%41
elevmin100%280,607
elevmax100%280,607
elevavg100%280,607
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
naicscode100%280,669
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%280,672
centroidx100%280,672
centroidy100%280,672
surfpointx100%280,672
surfpointy100%280,672
geom100%280,672
extras100%280,672
ownerlist78.0%218,885
placefp100%280,670
zoningurl99.7%279,863

Schema mapping

How source columns from the acquired Milwaukee 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 — Milwaukee County, Wisconsin (55079) 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 taxrollyea propclass impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode loaddate geom schooldist id taxparceli 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 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 100% zonesubty 0.0% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 100% usedesc 100% zoningcode 93.9% numbldgs 93.9% numunits 99.2% ownercity 98.4% ownerzip 100% legaldesc 100% township 100% section 100% qtrsection 100% range 100% plssdesc 100% placename 100% naicscode 78.0% ownerlist 100% placefp 100% zoningurl lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict usecode usedesc zoningcode numbldgs numunits imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr ownercity ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc placename firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg naicscode updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp zoningurl publish.parcel_layer columns not fed by these sources (35) — empty or below 50% fill in this county parentid, stackid, taxacctnum, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, saleamt, saledate ownerstate, book, page, block, lot, parceltype, accesstype, iucnclass, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover siding, bldgtype, frsid, dfrurl, caapermit, cwapermit, rcrapermit PARCEL 18 mapped · 13 transformed · 37 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid stateid taxrollyea propclass impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode loaddate geom schooldist id taxparceli 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), '')::text parcelid2 nullif(trim(stateid::text), '')::text taxyear nullif(trim(taxrollyea::text), '')::text usecode nullif(trim(propclass::text), '')::text imprvalue landvalue totalvalue taxacres ownername nullif(trim(concat_ws(';', ownernme1::text, ownernme2::text)), … owneraddr nullif(trim(pstladress::text), '')::text parceladdr nullif(trim(siteadress::text), '')::text parcelcity nullif(trim(placename::text), '')::text parcelstate nullif(trim(state::text), '')::text parcelzip nullif(trim(zipcode::text), '')::text updated nullif(trim(loaddate::text), '')::text geom taxdistrict nullif(trim(schooldist::text), '')::text extras ( json_build_object( 'id', id::text, 'taxparceli', taxparceli::… not present in source — filled with NULL (37) taxacctnum, 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

Neighboring counties

Parcel data for counties bordering Milwaukee County:

Frequently asked questions

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

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

How many parcels are in Milwaukee County, WI?

The current dataset contains 280,672 parcel records for Milwaukee County, WI, each with its boundary geometry and assessor attributes.

What is the FIPS code for Milwaukee County, WI?

The FIPS code for Milwaukee County, WI is 55079.

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

Each Milwaukee 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 Milwaukee County, WI parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated