Download Baltimore County, Maryland GIS parcel data - 374,426 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: last loaded into LandAI on 2026-05-21.
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 374,426 active parcels (last loaded into LandAI on 2026-05-21):
| Field | Coverage |
|---|---|
| Owner names | 93.6% |
| Site addresses | 93.6% |
| Owner mailing addresses | 93.5% |
| Deeded acres | 16.8% |
| Calculated (GIS) acres | 100% |
| Land use | 93.6% |
| Market total value | 93.6% |
| Year built | 77.3% |
| Building square footage | 93.6% |
| Legal description | 93.0% |
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.
Baltimore County, Maryland has 374,426 active parcels in the LandAI dataset.
Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (93.6%), site addresses (93.6%), owner mailing addresses (93.5%), deeded acres (16.8%), calculated (GIS) acres (100%), land use (93.6%), market total value (93.6%), year built (77.3%), 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.
last loaded into LandAI on 2026-05-21.
Yes - 93.6% of Baltimore County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.
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