Download Adams County, Washington GIS parcel data - 13,427 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: Source data as of 2026-04-08; last loaded into LandAI on 2026-05-10.
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.
Field completeness measured across 13,427 active parcels (Source data as of 2026-04-08; last loaded into LandAI on 2026-05-10):
| Field | Coverage |
|---|---|
| Owner names | 99.5% |
| Site addresses | 60.4% |
| Owner mailing addresses | 98.7% |
| Market total value | 99.5% |
These are 4 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.
Adams County, Washington has 13,427 active parcels in the LandAI dataset (source data as of 2026-04-08).
Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (99.5%), site addresses (60.4%), owner mailing addresses (98.7%), market total value (99.5%), and more.
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.
Source data as of 2026-04-08; last loaded into LandAI on 2026-05-10.
Yes - 99.5% of Adams County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.
View Adams County pricing & coverage | All Washington counties | Browse the LandAI Data Store