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Milwaukee County, WI Parcels & GIS Data

Milwaukee County, WI parcel data: 280,743 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Milwaukee County, Wisconsin parcel data covering 280,743 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

The FIPS code for Milwaukee County is 55079.

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Attribute coverage

Milwaukee County contains 280,743 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%280,743
parcelid100%280,743
parcelid247.2%132,383
ogparcelid100%280,743
ogparcelid247.2%132,391
parentid<0.1%0
stackid<0.1%0
geoid100%280,743
statefp100%280,743
countyfp100%280,743
countyname100%280,743
cousubfp100%280,743
cousubname100%280,743
tractce100%280,743
tractname100%280,743
taxacctnum<0.1%0
taxyear100%280,742
taxdistrict100%280,743
usecode99.7%279,886
usedesc99.9%280,340
zoningcode99.7%279,864
zoningdesc<0.1%0
numbldgs100%280,671
numunits3.7%10,425
yearbuilt<0.1%0
numfloors3.7%10,418
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%52
landvalue<0.1%61
agvalue<0.1%0
totalvalue<0.1%61
taxacres99.5%279,463
calcarea100%280,743
saleamt<0.1%0
saledate<0.1%0
ownertype99.9%280,465
ownername99.9%280,465
owneraddr98.4%276,258
ownercity98.4%276,142
ownerstate<0.1%0
ownerzip98.3%276,075
parceladdr99.8%280,217
parcelcity100%280,743
parcelstate100%280,743
parcelzip100%280,743
legaldesc99.9%280,380
township100%280,667
section100%280,667
qtrsection100%280,667
range100%280,667
plssdesc100%280,667
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.4%1,215
accesstype0.4%1,215
iucnclass<0.1%44
placename8.3%23,332
placetype8.2%23,073
firmid100%280,743
firmdate100%280,743
fldzone100%280,743
zonesubty99.6%279,577
staticbfe<0.1%42
elevmin100%280,677
elevmax100%280,677
elevavg100%280,677
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
naicscode20.9%58,641
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%280,743
centroidx100%280,743
centroidy100%280,743
surfpointx100%280,743
surfpointy100%280,743
geom100%280,743
extras100%280,743
ownerlist99.8%280,190

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 2026-08-08 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 taxkey mapid fk_tax yr_assmt land_use zoning nr_units yr_built nr_stories bldg_area bedrooms powder_rooms baths c_a_imprv c_a_land c_a_total exm_acreage convey_fee convey_date owner_name_1 owner_mail_addr owner_city_state owner_zip house_nr_lo sdir street sttype geo_zip_code sub_acct plat_page geo_block gis_datetime geom tax_rate_cd fireplace air_conditioning basement parcel_type map_id house_nr_hi house_nr_sfx c_a_class c_a_symbol c_a_exm_type p_a_class p_a_symbol p_a_exm_type reason_for_chg convey_type div_org div_drop owner_name_2 owner_name_3 last_name_chg neighborhood exm_per_ct_land exm_per_ct_imprv bldg_type attic nr_rooms parking_spaces parking_type land_use_gp own_ocpd geo_tract geo_alder_old geo_police geo_fire geo_bi_maint dpw_sanitation angle msbyte msblock element mslink tax_delq bi_viol raze_status chk_digit c_a_exm_land c_a_exm_imprv c_a_exm_total p_a_land p_a_imprv p_a_total p_a_exm_land p_a_exm_imprv p_a_exm_total last_value_chg chg_nr swim_pool lot_area corner_lot geo_alder hist_code map_name map_ext unit parcelid parcelid2 taxacctnum taxyear usecode zoningcode numunits yearbuilt numfloors bldgsqft bedrooms halfbaths fullbaths imprvalue landvalue totalvalue taxacres saleamt saledate ownername owneraddr ownercity ownerzip parceladdr parcelzip legaldesc page block updated geom taxdistrict fireplaces cooling foundation 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% numbldgs 100% parcelcity 100% parcelstate 100% township 100% section 100% qtrsection 100% range 100% plssdesc 100% ownerlist lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc zoningcode numbldgs numunits yearbuilt numfloors bldgsqft bedrooms halfbaths fullbaths imprvalue landvalue totalvalue taxacres calcarea saleamt saledate ownertype ownername owneraddr ownercity ownerzip parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc page block firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg fireplaces cooling foundation updated centroidx centroidy surfpointx surfpointy geom extras ownerlist publish.parcel_layer columns not fed by these sources (23) — empty or below 50% fill in this county parentid, stackid, zoningdesc, agvalue, ownerstate, book, lot, parceltype, accesstype, iucnclass, placename, placetype, heating, heatfuel roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit PARCEL 35 mapped · 2 transformed · 20 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL taxkey mapid fk_tax yr_assmt land_use zoning nr_units yr_built nr_stories bldg_area bedrooms powder_rooms baths c_a_imprv c_a_land c_a_total exm_acreage convey_fee convey_date owner_name_1 owner_mail_addr owner_city_state owner_zip house_nr_lo sdir street sttype geo_zip_code sub_acct plat_page geo_block gis_datetime geom tax_rate_cd fireplace air_conditioning basement parcel_type map_id house_nr_hi house_nr_sfx c_a_class c_a_symbol c_a_exm_type p_a_class p_a_symbol p_a_exm_type reason_for_chg convey_type div_org div_drop owner_name_2 owner_name_3 last_name_chg neighborhood exm_per_ct_land exm_per_ct_imprv bldg_type attic nr_rooms parking_spaces parking_type land_use_gp own_ocpd geo_tract geo_alder_old geo_police geo_fire geo_bi_maint dpw_sanitation angle msbyte msblock element mslink tax_delq bi_viol raze_status chk_digit c_a_exm_land c_a_exm_imprv c_a_exm_total p_a_land p_a_imprv p_a_total p_a_exm_land p_a_exm_imprv p_a_exm_total last_value_chg chg_nr swim_pool lot_area corner_lot geo_alder hist_code map_name map_ext unit parcelid parcelid2 taxacctnum taxyear usecode zoningcode numunits yearbuilt numfloors bldgsqft bedrooms halfbaths fullbaths imprvalue landvalue totalvalue taxacres saleamt saledate ownername owneraddr ownercity ownerzip parceladdr (COALESCE(house_nr_lo::text, '') || ' ' || COALESCE(sdir::text,… parcelzip legaldesc page block updated geom taxdistrict fireplaces cooling foundation extras (json_build_object('parcel_type', parcel_type, 'map_id', map_id… not present in source — filled with NULL (20) usedesc, zoningdesc, numbldgs, agvalue, ownerstate, parcelcity, parcelstate, township, section, qtrsection, range, plssdesc, book, lot sourceurl, parentid, heating, roofcover, siding, heatfuel

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 280,743 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.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated