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Ontonagon County, MI Parcels & GIS Data

Ontonagon County, MI parcel data: 13,795 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Ontonagon County, Michigan parcel data covering 13,795 property records.

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

Ontonagon County is a county in the Upper Peninsula of the U.S. state of Michigan. As of the 2020 census, the population was 5,816, making it Michigan's third-least populous county. The county seat is Ontonagon.

FIPS 26131

Official county website: http://ontonagoncounty.org/

The FIPS code for Ontonagon County is 26131.

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Attribute coverage

Ontonagon County contains 13,795 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%13,795
parcelid99.7%13,758
parcelid2<0.1%0
ogparcelid99.7%13,758
ogparcelid2<0.1%0
parentid<0.1%0
stackid<0.1%0
geoid100%13,795
statefp100%13,795
countyfp100%13,795
countyname100%13,795
cousubfp100%13,795
cousubname100%13,795
tractce100%13,795
tractname100%13,795
taxacctnum<0.1%0
taxyear100%13,795
taxdistrict99.7%13,757
usecode99.7%13,757
usedesc0.1%9
zoningcode0.7%102
zoningdesc<0.1%0
numbldgs0.3%37
numunits<0.1%0
yearbuilt<0.1%0
numfloors<0.1%0
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue80.3%11,081
landvalue80.3%11,081
agvalue80.3%11,081
totalvalue99.7%13,757
taxacres99.7%13,758
calcarea100%13,795
saleamt37.1%5,118
saledate41.4%5,714
ownertype100%13,794
ownername100%13,794
owneraddr91.7%12,656
ownercity92.6%12,774
ownerstate<0.1%0
ownerzip<0.1%0
parceladdr52.5%7,237
parcelcity88.3%12,176
parcelstate100%13,795
parcelzip100%13,795
legaldesc99.7%13,757
township99.2%13,690
section99.2%13,690
qtrsection99.2%13,690
range99.2%13,690
plssdesc99.2%13,690
book<0.1%0
page84.2%11,609
block<0.1%0
lot<0.1%0
parceltype1.5%213
accesstype10.6%1,467
iucnclass9.2%1,271
placename36.8%5,071
placetype12.1%1,664
firmid<0.1%0
firmdate<0.1%0
fldzone<0.1%0
zonesubty<0.1%0
staticbfe<0.1%0
elevmin87.2%12,024
elevmax87.2%12,024
elevavg87.2%12,024
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
naicscode47.7%6,579
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated78.2%10,787
centroidx100%13,795
centroidy100%13,795
surfpointx100%13,795
surfpointy100%13,795
geom100%13,795
extras100%13,795
ownerlist76.0%10,486
placefp27.6%3,809
zoningurl0.7%102

Schema mapping

How source columns from the acquired Ontonagon 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 — Ontonagon County, Michigan (26131) 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 pnum peffectiveyear class zoningcode assessedvalue recordacres atlasacres pricesold datesold owner owneraddress ownercsz E propaddress propcitystzip legal liber_page geom school 9 cols ⇢ parcelid taxyear usecode zoningcode totalvalue taxacres saleamt saledate ownername owneraddr ownercity parceladdr parcelcity legaldesc page geom taxdistrict extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 78.2% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 87.2% elevmin 87.2% elevmax 87.2% elevavg supplemented · derived / other pipelines 80.3% imprvalue 80.3% landvalue 80.3% agvalue 100% parcelstate 100% parcelzip 99.2% township 99.2% section 99.2% qtrsection 99.2% range 99.2% plssdesc 76.0% ownerlist lrid parcelid ogparcelid geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict usecode zoningcode imprvalue landvalue agvalue totalvalue taxacres calcarea saleamt saledate ownertype ownername owneraddr ownercity parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc page elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist publish.parcel_layer columns not fed by these sources (46) — empty or below 50% fill in this county parcelid2, ogparcelid2, parentid, stackid, taxacctnum, usedesc, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, ownerstate, ownerzip, book, block, lot, parceltype, accesstype, iucnclass, placename, placetype, firmid, firmdate fldzone, zonesubty, staticbfe, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl caapermit, cwapermit, rcrapermit, placefp, zoningurl PARCEL 17 mapped · 14 transformed · 9 kept in extras · 37 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL pnum peffectiveyear class zoningcode assessedvalue recordacres atlasacres pricesold datesold owner owneraddress ownercsz E propaddress propcitystzip legal liber_page geom school parcelid nullif(trim(pnum), '')::text taxyear case when peffectiveyear is null or peffectiveyear <= 0 then nu… usecode nullif(trim(class), '')::text zoningcode nullif(trim(zoningcode), '')::text totalvalue taxacres case when recordacres is not null and recordacres > 0 then reco… saleamt case when pricesold is null or pricesold <= 0 then null::text e… saledate ownername nullif(trim(owner), '')::text owneraddr nullif(trim(owneraddress), '')::text ownercity nullif(trim(regexp_replace(ownercsz, E',.*$', '', 'g')), '')::t… parceladdr nullif(trim(propaddress), '')::text parcelcity nullif(trim(regexp_replace(propcitystzip, E',.*$', '', 'g')), '… legaldesc nullif(trim(legal), '')::text page case when nullif(trim(liber_page), '') is null then null::text … geom taxdistrict nullif(trim(school), '')::text extras · 9 source columns preserved as json id, instrumentofsale, finaltaxable, sev, exemptiontype exemptionperc, frontfootage, frontage, splitdate extras not present in source — filled with NULL (37) parcelid2, taxacctnum, usedesc, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue landvalue, agvalue, ownerstate, ownerzip, parcelstate, parcelzip, township, section, qtrsection, range, plssdesc, book, block, lot, updated sourceurl, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding

Neighboring counties

Parcel data for counties bordering Ontonagon County:

Frequently asked questions

Where can I find Ontonagon County, MI parcel and GIS data?

Land Records publishes a Ontonagon County, MI 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 Ontonagon County, MI dataset as a GeoPackage or CSV.

How many parcels are in Ontonagon County, MI?

The current dataset contains 13,795 parcel records for Ontonagon County, MI, each with its boundary geometry and assessor attributes.

What is the FIPS code for Ontonagon County, MI?

The FIPS code for Ontonagon County, MI is 26131.

What information does each Ontonagon County, MI parcel record include?

Each Ontonagon County, MI 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 Ontonagon County, MI parcel data free?

You can preview Ontonagon County, MI 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 Ontonagon County, MI have an official GIS or property records website?

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

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Attribute coverageSchema mappingNeighboring countiesFAQRelated