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Ozaukee County, WI Parcels & GIS Data

Ozaukee County, WI parcel data: 41,331 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Ozaukee County, Wisconsin parcel data covering 41,331 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 41,331 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%41,331
parcelid100%41,331
parcelid2<0.1%0
ogparcelid100%41,331
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%41,331
statefp100%41,331
countyfp100%41,331
countyname100%41,331
cousubfp100%41,331
cousubname100%41,331
tractce100%41,331
tractname100%41,331
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict<0.1%0
usecode<0.1%0
usedesc<0.1%0
zoningcode<0.1%0
zoningdesc<0.1%0
numbldgs84.1%34,766
numunits84.1%34,766
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue84.1%34,766
landvalue92.4%38,186
agvalue<0.1%0
totalvalue<0.1%0
taxacres100%41,331
calcarea100%41,331
saleamt<0.1%0
saledate<0.1%0
ownertype100%41,329
ownername100%41,331
owneraddr100%41,331
ownercity<0.1%0
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr100%41,331
parcelcity100%41,331
parcelstate100%41,331
parcelzip100%41,331
legaldesc100%41,331
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
parceltype0.9%392
accesstype0.9%392
iucnclass0.3%105
placename6.6%2,709
placetype6.5%2,671
firmid100%41,331
firmdate100%41,331
fldzone100%41,331
zonesubty97.6%40,334
staticbfe0.1%37
elevmin99.7%41,214
elevmax99.7%41,214
elevavg99.7%41,214
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
naicscode19.2%7,935
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated<0.1%0
centroidx100%41,331
centroidy100%41,331
surfpointx100%41,331
surfpointy100%41,331
geom100%41,331
extras100%41,331
ownerlist<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 2026-07-25 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 par_num improvementvalue landvalue tot_ac ownername1 mailaddress siteaddress city state zip legaldescription powts_link geom parcel_type acres objectid_12 parcel owner2 ownersort ownersearch mailcitystatezip assessment_link parcelid imprvalue landvalue taxacres ownername owneraddr parceladdr parcelcity parcelstate parcelzip legaldesc sourceurl 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 97.6% zonesubty 0.1% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 84.1% numbldgs 84.1% numunits lrid parcelid ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname numbldgs numunits imprvalue landvalue taxacres calcarea ownertype ownername owneraddr parceladdr parcelcity parcelstate parcelzip legaldesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg centroidx centroidy surfpointx surfpointy geom extras publish.parcel_layer columns not fed by these sources (54) — empty or below 50% fill in this county parcelid2, ogparcelid2, parentid, stackid, taxacctnum, taxyear, taxdistrict, usecode, usedesc, zoningcode, zoningdesc, yearbuilt, numfloors bldgsqft, bedrooms, halfbaths, fullbaths, agvalue, totalvalue, saleamt, saledate, ownercity, ownerstate, ownerzip, 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, updated, ownerlist PARCEL 14 mapped · 1 transformed · 41 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL par_num improvementvalue landvalue tot_ac ownername1 mailaddress siteaddress city state zip legaldescription powts_link geom parcel_type acres objectid_12 parcel owner2 ownersort ownersearch mailcitystatezip assessment_link parcelid imprvalue landvalue taxacres ownername owneraddr parceladdr parcelcity parcelstate parcelzip legaldesc sourceurl geom extras (json_build_object('parcel_type', parcel_type::text, 'acres', a… not present in source — filled with NULL (41) parcelid2, taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, agvalue, totalvalue, saleamt, saledate, ownercity, ownerstate, ownerzip, township, section, qtrsection, range, plssdesc book, page, block, lot, updated, taxdistrict, parentid, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

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 41,331 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
Ozaukee County, WI Parcels & GIS Data — Property Records & Maps | Land Records