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Miami County, OH Parcels & GIS Data

Miami County, OH parcel data: 54,727 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Miami County, Ohio parcel data covering 54,727 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 54,727 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%54,727
parcelid99.3%54,319
parcelid299.6%54,486
ogparcelid99.3%54,319
ogparcelid299.6%54,487
parentid<0.1%0
stackid<0.1%0
geoid100%54,727
statefp100%54,727
countyfp100%54,727
countyname100%54,727
cousubfp100%54,727
cousubname100%54,727
tractce100%54,727
tractname100%54,727
taxacctnum3.5%1,936
taxyear100%54,727
taxdistrict95.0%52,003
usecode0.2%83
usedesc31.0%16,952
zoningcode47.0%25,726
zoningdesc46.9%25,641
numbldgs48.9%26,768
numunits<0.1%19
yearbuilt<0.1%0
numfloors<0.1%19
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
taxacres95.5%52,268
calcarea100%54,727
saleamt<0.1%0
saledate<0.1%0
ownertype95.1%52,024
ownername95.1%52,024
owneraddr<0.1%12
ownercity<0.1%12
ownerstate<0.1%12
ownerzip<0.1%12
parceladdr42.0%22,972
parcelcity59.2%32,390
parcelstate100%54,727
parcelzip100%54,727
legaldesc3.5%1,934
township99.7%54,570
section99.7%54,570
qtrsection99.7%54,570
range99.7%54,570
plssdesc99.7%54,570
book<0.1%0
page<0.1%0
block<0.1%0
lot0.1%52
parceltype0.5%300
accesstype0.7%397
iucnclass0.1%36
placename4.7%2,578
placetype4.6%2,533
firmid100%54,727
firmdate100%54,727
fldzone100%54,727
zonesubty96.6%52,844
staticbfe0.2%90
elevmin99.1%54,257
elevmax99.1%54,257
elevavg99.1%54,257
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
naicscode9.7%5,317
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated95.8%52,418
centroidx100%54,727
centroidy100%54,727
surfpointx100%54,727
surfpointy100%54,727
geom100%54,727
extras100%54,727
ownerlist87.3%47,770
placefp63.6%34,796
zoningurl40.3%22,066
lbcsactivity38.7%21,162
lbcsfunction38.7%21,154
lbcstype41.7%22,840
lbcscharacter46.9%25,645
lbcsownership95.1%52,069
sourceurl95.2%52,099

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 2026-10-17 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 parcel smda geom 5 cols ⇢ parcelid parcelid2 geom extras ZONING spec_zone weblink geom 8 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% taxyear 95.8% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 99.1% elevmin 99.1% elevmax 99.1% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 96.6% zonesubty 0.2% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 95.0% taxdistrict 95.5% taxacres 95.1% ownertype 95.1% ownername 59.2% parcelcity 100% parcelstate 100% parcelzip 100% township 100% section 100% qtrsection 100% range 100% plssdesc 87.3% ownerlist 63.6% placefp 95.1% lbcsownership lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear taxdistrict zoningcode taxacres calcarea ownertype ownername parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp lbcsownership sourceurl publish.parcel_layer columns not fed by these sources (54) — empty or below 50% fill in this county parentid, stackid, taxacctnum, usecode, usedesc, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, owneraddr, ownercity, ownerstate, ownerzip, parceladdr, legaldesc, book, page block, lot, parceltype, accesstype, iucnclass, placename, placetype, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit, zoningurl, lbcsactivity, lbcsfunction, lbcstype, lbcscharacter PARCEL 3 mapped · 2 transformed · 5 kept in extras · 51 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL parcel smda geom parcelid NULLIF(TRIM(parcel), '')::text parcelid2 NULLIF(TRIM(smda), '')::text geom extras · 5 source columns preserved as json area, perimeter, bethelpar_, bethelpar1, ftr_code extras not present in source — filled with NULL (51) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, ownername, owneraddr, ownercity, ownerstate, ownerzip parceladdr, parcelcity, parcelstate, parcelzip, legaldesc, township, section, qtrsection, range, plssdesc, book, page, block, lot, updated sourceurl, taxdistrict, parentid, heatfuel, fireplaces, heating, cooling, foundation, roofcover, siding ZONING 3 mapped · 8 kept in extras · 6 unmapped (NULL) SOURCE COLUMNS HARMONIZED → ZONING spec_zone weblink geom zoningcode sourceurl geom extras · 8 source columns preserved as json area, perimeter, smda, parcel, ftrcode, twp, mvrpc_code flood 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 54,727 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