Download Jefferson County, Texas GIS parcel data - 122,052 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: Jefferson CAD parcel layer prop_val_yr field: 2026; last loaded into LandAI on 2026-05-25.
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 122,052 active parcels (Jefferson CAD parcel layer prop_val_yr field: 2026; last loaded into LandAI on 2026-05-25):
| Field | Coverage |
|---|---|
| Owner names | 99.8% |
| Site addresses | 90.3% |
| Owner mailing addresses | 99.8% |
| Deeded acres | 99.0% |
| Calculated (GIS) acres | 100% |
| Land use | 99.7% |
| Sale / transfer date | 86.2% |
| Market total value | 99.8% |
| Year built | 69.2% |
| Legal description | 99.8% |
These are 10 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.
Jefferson County, Texas has 122,052 active parcels in the LandAI dataset (source data as of 2026).
Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (99.8%), site addresses (90.3%), owner mailing addresses (99.8%), deeded acres (99.0%), calculated (GIS) acres (100%), land use (99.7%), sale / transfer date (86.2%), market total value (99.8%), 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.
Jefferson CAD parcel layer prop_val_yr field: 2026; last loaded into LandAI on 2026-05-25.
Yes - 99.8% of Jefferson County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.
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