Ottawa County, OH GIS parcel data download

Download Ottawa County, Ohio GIS parcel data - 37,809 parcels with owner names, site & mailing addresses, acreage, land use, and sale values. Instant delivery in Shapefile, FileGDB, GeoPackage, GeoJSON & CSV. $100 per county.

Data freshness: Tax_Year field in Ottawa County public parcel layer; last loaded into LandAI on 2026-06-04.

Every purchase includes all five export formats (Shapefile, FileGDB, GeoPackage, GeoJSON & CSV), standardized to the LandAI parcel schema with WGS84 (EPSG:4326) geometry. After checkout you choose which formats to generate and download them for 45 days.

What's in the Ottawa County dataset

Field completeness measured across 37,809 active parcels (Tax_Year field in Ottawa County public parcel layer; last loaded into LandAI on 2026-06-04):

FieldCoverage
Owner names100%
Site addresses100%
Owner mailing addresses100%
Deeded acres39.7%
Calculated (GIS) acres100%
Land use100%
Last sale price46.3%
Sale / transfer date100%
Assessed total value99.8%
Market total value99.8%
Legal description100%

These are 11 of the 48 standardized fields in the LandAI parcel schema. Live per-field completeness for every field is shown on this page's interactive view.

Ottawa County parcel data FAQ

How many parcels are in Ottawa County, OH?

Ottawa County, Ohio has 37,809 active parcels in the LandAI dataset (source data as of 2025).

What fields are included in Ottawa County parcel data?

Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (100%), site addresses (100%), owner mailing addresses (100%), deeded acres (39.7%), calculated (GIS) acres (100%), land use (100%), last sale price (46.3%), sale / transfer date (100%), and more.

What formats can I download Ottawa County GIS parcel data in?

Shapefile, FileGDB, GeoPackage, GeoJSON & CSV. Every $100 county purchase includes all five formats; you choose which to generate after checkout and can re-download for 45 days.

How current is the Ottawa County parcel data?

Tax_Year field in Ottawa County public parcel layer; last loaded into LandAI on 2026-06-04.

Does Ottawa County parcel data include owner names?

Yes - 100% of Ottawa County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.

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