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Ozaukee County, WI Parcels & GIS Data

Ozaukee County, WI parcel data: 48,968 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Ozaukee County, Wisconsin parcel data covering 48,968 property records.

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

Ozaukee County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 91,503. Its county seat is Port Washington.

FIPS 55089

Official county website: http://www.co.ozaukee.wi.us

The FIPS code for Ozaukee County is 55089.

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Attribute coverage

Ozaukee County contains 48,968 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%48,968
parcelid100%48,968
parcelid2100%48,968
ogparcelid100%48,968
ogparcelid2100%48,968
parentid<0.1%0
stackid<0.1%0
geoid100%48,968
statefp100%48,968
countyfp100%48,968
countyname100%48,968
cousubfp100%48,968
cousubname100%48,968
tractce100%48,968
tractname100%48,968
taxacctnum<0.1%0
taxyear100%48,968
taxdistrict100%48,968
usecode91.3%44,720
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs84.3%41,287
numunits68.6%33,596
yearbuilt<0.1%0
numfloors0.8%402
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue83.3%40,799
landvalue91.3%44,716
agvalue<0.1%0
totalvalue91.3%44,719
taxacres97.9%47,919
calcarea100%48,968
saleamt<0.1%0
saledate<0.1%0
ownertype100%48,968
ownername100%48,968
owneraddr100%48,963
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr96.2%47,083
parcelcity100%48,968
parcelstate100%48,968
parcelzip100%48,968
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
parceltype1.1%533
accesstype1.1%533
iucnclass0.3%123
placename7.2%3,548
placetype7.2%3,504
firmid100%48,968
firmdate100%48,968
fldzone100%48,968
zonesubty97.6%47,785
staticbfe0.1%39
elevmin99.7%48,813
elevmax99.7%48,813
elevavg99.7%48,813
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
naicscode20.5%10,021
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%48,968
centroidx100%48,968
centroidy100%48,968
surfpointx100%48,968
surfpointy100%48,968
geom100%48,968
extras100%48,968
lrversion100%48,968

Schema mapping

How source columns from the acquired Ozaukee 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 — Ozaukee County, Wisconsin (55089) 1 entity · most recent acquisition per entity · generated 2026-07-13 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 100% updated 100% lrversion 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 97.6% zonesubty 0.1% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 84.3% numbldgs 68.6% 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 lrversion publish.parcel_layer columns not fed by these sources (46) — 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 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 Ozaukee County:

On this page

Attribute coverageSchema mappingNeighboring countiesRelated