Grant County, OR GIS parcel data download

Download Grant County, Oregon GIS parcel data - 7,930 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: Grant County Property Inquiry value/tax information for tax year 2025; last loaded into LandAI on 2026-05-18.

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 Grant County dataset

Field completeness measured across 7,930 active parcels (Grant County Property Inquiry value/tax information for tax year 2025; last loaded into LandAI on 2026-05-18):

FieldCoverage
Owner names94.8%
Site addresses41.4%
Owner mailing addresses94.7%
Calculated (GIS) acres100%
Assessed total value94.7%
Market total value94.7%

These are 6 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.

Grant County parcel data FAQ

How many parcels are in Grant County, OR?

Grant County, Oregon has 7,930 active parcels in the LandAI dataset (source data as of 2025).

What fields are included in Grant County parcel data?

Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (94.8%), site addresses (41.4%), owner mailing addresses (94.7%), calculated (GIS) acres (100%), assessed total value (94.7%), market total value (94.7%), and more.

What formats can I download Grant 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 Grant County parcel data?

Grant County Property Inquiry value/tax information for tax year 2025; last loaded into LandAI on 2026-05-18.

Does Grant County parcel data include owner names?

Yes - 94.8% of Grant County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.

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