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Miami County, OH Parcels & GIS Data

Miami County, OH parcel data: 55,096 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Miami County, Ohio parcel data covering 55,096 property records.

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

Miami County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 108,774. Its county seat is Troy.

FIPS 39109

Official county website: https://rep4laredo.fidlar.com/OHMiami/DirectSearch/

The FIPS code for Miami County is 39109.

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Attribute coverage

Miami County contains 55,096 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL). For the LBCS columns, only real classifications count: the to-be-determined and not-applicable placeholder codes are excluded.

ColumnCoverageRecords populated
lrid100%55,096
parcelid99.9%55,050
parcelid294.7%52,178
ogparcelid99.9%55,050
ogparcelid296.3%53,061
parentid<0.1%0
stackid<0.1%0
geoid100%55,096
statefp100%55,096
countyfp100%55,096
countyname100%55,096
cousubfp100%55,096
cousubname100%55,096
tractce100%55,096
tractname100%55,096
taxacctnum3.5%1,938
taxyear100%55,096
taxdistrict94.4%52,013
usecode0.2%120
usedesc60.1%33,123
zoningcode99.1%54,589
zoningdesc95.7%52,701
numbldgs96.3%53,061
numunits0.1%29
yearbuilt<0.1%0
numfloors0.1%29
bldgsqft<0.1%0
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue<0.1%0
landvalue<0.1%0
agvalue<0.1%0
totalvalue<0.1%0
taxacres98.1%54,043
calcarea100%55,096
saleamt<0.1%0
saledate<0.1%0
ownertype94.4%52,034
ownername94.4%52,034
owneraddr<0.1%12
ownercity<0.1%12
ownerstate<0.1%12
ownerzip<0.1%12
parceladdr83.8%46,169
parcelcity83.8%46,169
parcelstate100%55,096
parcelzip100%55,096
legaldesc3.6%1,973
township99.7%54,932
section99.7%54,932
qtrsection99.7%54,932
range99.7%54,932
plssdesc99.7%54,932
book<0.1%0
page<0.1%0
block<0.1%0
lot0.1%52
parceltype0.7%388
accesstype0.7%388
iucnclass0.1%34
placename4.7%2,562
placetype4.6%2,521
firmid100%55,096
firmdate100%55,096
fldzone100%55,096
zonesubty96.7%53,253
staticbfe0.2%85
elevmin99.2%54,641
elevmax99.2%54,641
elevavg99.2%54,641
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
naicscode15.1%8,309
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%55,096
centroidx100%55,096
centroidy100%55,096
surfpointx100%55,096
surfpointy100%55,096
geom100%55,096
extras100%55,096
ownerlist92.8%51,136
placefp64.5%35,562
zoningurl84.1%46,345
lbcsactivity62.5%34,435
lbcsfunction62.5%34,427
lbcstype72.5%39,960
lbcscharacter89.0%49,010
lbcsownership94.5%52,081
sourceurl94.6%52,116

Schema mapping

How source columns from the acquired Miami 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 — Miami County, Ohio (39109) 2 entities · most recent acquisition per entity · generated 2026-10-10 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 parid taxpinno taxyr luc zoning acres acreage loc_nbr loc_dir loc_street loc_suffix parcel_city loc_area parcel_state parcel_zip legal1 legal2 legal3 lotnumber geom v_ward class recdeed county councilward parcelid taxacctnum taxyear usecode zoningcode taxacres parceladdr parcelcity parcelstate parcelzip legaldesc lot geom extras ZONING genzone sourceurl geom 2 cols ⇢ zoningcode sourceurl geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 100% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 99.2% elevmin 99.2% elevmax 99.2% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 96.7% zonesubty 0.2% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 94.7% parcelid2 96.3% ogparcelid2 94.4% taxdistrict 60.1% usedesc 95.7% zoningdesc 96.3% numbldgs 94.4% ownertype 94.4% ownername 100% township 100% section 100% qtrsection 100% range 100% plssdesc 92.8% ownerlist 64.5% placefp 84.1% zoningurl 62.5% lbcsactivity 62.5% lbcsfunction 72.5% lbcstype 89.0% lbcscharacter 94.5% lbcsownership lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxacctnum taxyear taxdistrict usecode usedesc zoningcode zoningdesc numbldgs taxacres calcarea ownertype ownername parceladdr parcelcity parcelstate parcelzip legaldesc township section qtrsection range plssdesc lot firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp zoningurl lbcsactivity lbcsfunction lbcstype lbcscharacter lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (41) — empty or below 50% fill in this county parentid, stackid, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt saledate, owneraddr, ownercity, ownerstate, ownerzip, book, page, block, parceltype, accesstype, iucnclass, placename, placetype, fireplaces heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit PARCEL 14 mapped · 12 transformed · 41 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parid taxpinno taxyr luc zoning acres acreage loc_nbr loc_dir loc_street loc_suffix parcel_city loc_area parcel_state parcel_zip legal1 legal2 legal3 lotnumber geom v_ward class recdeed county councilward parcelid NULLIF(BTRIM(parid), '')::text taxacctnum NULLIF(BTRIM(taxpinno), '')::text taxyear usecode NULLIF(BTRIM(luc), '')::text zoningcode NULLIF(BTRIM(zoning), '')::text taxacres COALESCE(acres::text, NULLIF(BTRIM(acreage), '')::text)::text parceladdr NULLIF(CONCAT_WS(' ', NULLIF(BTRIM(loc_nbr), ''), NULLIF(BTRIM(… parcelcity COALESCE(NULLIF(BTRIM(parcel_city), '')::text, NULLIF(BTRIM(loc… parcelstate NULLIF(BTRIM(parcel_state), '')::text parcelzip NULLIF(BTRIM(parcel_zip), '')::text legaldesc NULLIF(CONCAT_WS('; ', NULLIF(BTRIM(legal1), ''), NULLIF(BTRIM(… lot NULLIF(BTRIM(lotnumber), '')::text geom extras json_build_object( 'v_ward', NULLIF(BTRIM(v_ward), '')::text, '… not present in source — filled with NULL (41) parcelid2, usedesc, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue agvalue, totalvalue, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip, township, section, qtrsection, range, plssdesc book, page, block, updated, sourceurl, taxdistrict, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding ZONING 3 mapped · 2 kept in extras · 6 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING genzone sourceurl geom zoningcode sourceurl geom extras · 2 source columns preserved as json source, geometry_method extras not present in source — filled with NULL (6) zoningdesc, zoningtype, ordinance, setbacks, restrictions, notes

Neighboring counties

Parcel data for counties bordering Miami County:

Frequently asked questions

Where can I find Miami County, OH parcel and GIS data?

Land Records publishes a Miami County, OH 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 Miami County, OH dataset as a GeoPackage or CSV.

How many parcels are in Miami County, OH?

The current dataset contains 55,096 parcel records for Miami County, OH, each with its boundary geometry and assessor attributes.

What is the FIPS code for Miami County, OH?

The FIPS code for Miami County, OH is 39109.

What information does each Miami County, OH parcel record include?

Each Miami County, OH 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 Miami County, OH parcel data free?

You can preview Miami County, OH 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 Miami County, OH have an official GIS or property records website?

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated