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Ozaukee County, WI Parcels & GIS Data

Ozaukee County, WI parcel data: 41,207 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Ozaukee County, Wisconsin parcel data covering 41,207 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 41,207 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%41,207
parcelid100%41,207
parcelid299.9%41,164
ogparcelid100%41,207
ogparcelid299.9%41,164
parentid<0.1%0
stackid<0.1%0
geoid100%41,207
statefp100%41,207
countyfp100%41,207
countyname100%41,207
cousubfp100%41,207
cousubname100%41,207
tractce100%41,207
tractname100%41,207
taxacctnum<0.1%0
taxyear100%41,207
taxdistrict99.9%41,164
usecode<0.1%0
usedesc0.1%43
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs83.8%34,549
numunits83.7%34,508
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue99.9%41,166
landvalue99.9%41,166
agvalue<0.1%0
totalvalue99.9%41,164
taxacres100%41,207
calcarea100%41,207
saleamt<0.1%0
saledate<0.1%0
ownertype100%41,207
ownername100%41,207
owneraddr100%41,201
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr99.9%41,185
parcelcity100%41,189
parcelstate100%41,207
parcelzip100%41,207
legaldesc100%41,194
township100%41,203
section100%41,203
qtrsection100%41,203
range100%41,203
plssdesc100%41,203
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype0.4%177
accesstype1.0%392
iucnclass0.3%105
placename77.5%31,933
placetype6.5%2,676
firmid100%41,206
firmdate100%41,206
fldzone100%41,206
zonesubty97.6%40,213
staticbfe0.1%37
elevmin99.7%41,089
elevmax99.7%41,089
elevavg99.7%41,089
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
naicscode81.1%33,433
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%41,204
centroidx100%41,207
centroidy100%41,207
surfpointx100%41,207
surfpointy100%41,207
geom100%41,207
extras100%41,207
ownerlist70.6%29,089
placefp76.1%31,379
zoningurl<0.1%0

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 2026-08-30 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 impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode parceldate geom schooldist 28 cols ⇢ parcelid parcelid2 taxyear 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 97.6% zonesubty 0.1% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 83.8% numbldgs 83.7% numunits 100% legaldesc 100% township 100% section 100% qtrsection 100% range 100% plssdesc 77.5% placename 81.1% naicscode 70.6% ownerlist 76.1% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict numbldgs numunits imprvalue landvalue totalvalue taxacres calcarea ownertype ownername owneraddr 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 publish.parcel_layer columns not fed by these sources (41) — empty or below 50% fill in this county parentid, stackid, taxacctnum, usecode, usedesc, zoningcode, zoningdesc, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths agvalue, saleamt, saledate, ownercity, ownerstate, ownerzip, book, page, block, lot, parceltype, accesstype, iucnclass, placetype, fireplaces heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, frsid, dfrurl, caapermit, cwapermit, rcrapermit, zoningurl PARCEL 16 mapped · 1 transformed · 28 kept in extras · 38 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcelid stateid taxrollyea impvalue lndvalue cntassdval assdacres ownernme1 ownernme2 pstladress siteadress placename state zipcode parceldate geom schooldist parcelid parcelid2 taxyear imprvalue landvalue totalvalue taxacres ownername CASE WHEN ownernme1 IS NULL OR trim(ownernme1) = '' THEN ownern… owneraddr parceladdr parcelcity parcelstate parcelzip updated geom taxdistrict extras · 28 source columns preserved as json id, taxparceli, addnumpref, addnum, addnumsuff, prefix streetname, streettype, suffix, landmarkna, unittype, unitid zip4, schooldi_1, mflvalue, estfmkvalu, netprpta, grsprpta propclass, auxclass, deedacres, gisacres, coname, loaddate parcelfips, parcelsrc, longitude, latitude extras not present in source — filled with NULL (38) taxacctnum, usecode, 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 Ozaukee County:

Frequently asked questions

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

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

How many parcels are in Ozaukee County, WI?

The current dataset contains 41,207 parcel records for Ozaukee County, WI, each with its boundary geometry and assessor attributes.

What is the FIPS code for Ozaukee County, WI?

The FIPS code for Ozaukee County, WI is 55089.

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

Each Ozaukee 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 Ozaukee County, WI parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated