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Seneca County, OH Parcels & GIS Data

Seneca County, OH parcel data: 45,702 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes Seneca County, Ohio parcel data covering 45,702 property records.

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

Seneca County is a county located in the northwestern part of the U.S. state of Ohio. As of the 2020 census, the population was 55,069. Its county seat is Tiffin.

FIPS 39147

Official county website: http://www.senecacounty.com

The FIPS code for Seneca County is 39147.

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Attribute coverage

Seneca County contains 45,702 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%45,702
parcelid99.4%45,445
parcelid2100%45,695
ogparcelid100%45,702
ogparcelid2100%45,702
parentid<0.1%0
stackid<0.1%0
geoid100%45,702
statefp100%45,702
countyfp100%45,702
countyname100%45,702
cousubfp100%45,702
cousubname100%45,702
tractce100%45,702
tractname100%45,702
taxacctnum<0.1%0
taxyear<0.1%0
taxdistrict<0.1%1
usecode<0.1%1
usedesc<0.1%1
zoningcode4.7%2,128
zoningdesc<0.1%0
numbldgs100%45,701
numunits0.9%412
yearbuilt<0.1%0
numfloors0.9%412
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
taxacres99.5%45,478
calcarea100%45,702
saleamt<0.1%0
saledate<0.1%0
ownertype98.9%45,191
ownername98.9%45,190
owneraddr<0.1%1
ownercity<0.1%1
ownerstate<0.1%1
ownerzip<0.1%1
parceladdr91.3%41,713
parcelcity91.3%41,712
parcelstate100%45,702
parcelzip100%45,702
legaldesc<0.1%0
township85.4%39,027
section85.4%39,027
qtrsection85.4%39,027
range85.4%39,027
plssdesc85.4%39,027
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype1.4%629
accesstype1.4%629
iucnclass0.1%52
placename4.0%1,843
placetype4.0%1,821
firmid100%45,701
firmdate100%45,701
fldzone100%45,701
zonesubty82.6%37,770
staticbfe<0.1%0
elevmin98.6%45,062
elevmax98.6%45,062
elevavg98.6%45,062
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
naicscode20.6%9,412
frsid<0.1%0
dfrurl<0.1%0
caapermit<0.1%0
cwapermit<0.1%0
rcrapermit<0.1%0
updated100%45,701
centroidx100%45,702
centroidy100%45,702
surfpointx100%45,702
surfpointy100%45,702
geom100%45,702
extras100%45,702
ownerlist98.0%44,802
placefp54.5%24,921
zoningurl<0.1%0

Schema mapping

How source columns from the acquired Seneca 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 — Seneca County, Ohio (39147) 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 stateparcelid localparcelid stateluc landarea mailaddressall mailcity mailstate mailzip situsaddressall county camadatasite geom 8 cols ⇢ parcelid parcelid2 usedesc taxacres owneraddr ownercity ownerstate ownerzip parceladdr township 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 98.6% elevmin 98.6% elevmax 98.6% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 82.6% zonesubty 100% firmdate 100% firmid supplemented · derived / other pipelines 100% numbldgs 98.9% ownertype 98.9% ownername 91.3% parcelcity 100% parcelstate 100% parcelzip 85.4% section 85.4% qtrsection 85.4% range 85.4% plssdesc 98.0% ownerlist 54.5% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname usedesc numbldgs taxacres calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (47) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxyear, taxdistrict, usecode, zoningcode, zoningdesc, numunits, yearbuilt, numfloors, bldgsqft, bedrooms halfbaths, fullbaths, imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, legaldesc, book, page, block, lot, parceltype, accesstype iucnclass, placename, placetype, staticbfe, fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid dfrurl, caapermit, cwapermit, rcrapermit, zoningurl PARCEL 12 mapped · 8 kept in extras · 42 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL stateparcelid localparcelid stateluc landarea mailaddressall mailcity mailstate mailzip situsaddressall county camadatasite geom parcelid parcelid2 usedesc taxacres owneraddr ownercity ownerstate ownerzip parceladdr township sourceurl geom extras · 8 source columns preserved as json mailnumber, mailstreetprefix, mailstreetname mailstreetsuffix, mailunitnumber, landarea_py, currentto globalid extras not present in source — filled with NULL (42) taxacctnum, taxyear, usecode, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths, fullbaths imprvalue, landvalue, agvalue, totalvalue, saleamt, saledate, ownername, parcelcity, parcelstate, parcelzip, legaldesc, 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 Seneca County:

Frequently asked questions

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

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

How many parcels are in Seneca County, OH?

The current dataset contains 45,702 parcel records for Seneca County, OH, each with its boundary geometry and assessor attributes.

What is the FIPS code for Seneca County, OH?

The FIPS code for Seneca County, OH is 39147.

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

Each Seneca 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 Seneca County, OH parcel data free?

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

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

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated