Chester County, PA parcel data download

Download Chester County, Pennsylvania parcel data - 192,797 parcels with standardized boundaries and available property fields. Review county-specific completeness before checkout. Instant delivery in Shapefile, FileGDB, GeoPackage, GeoJSON & CSV. $100 per county.

Data freshness: Latest ASMT_DATE in public parcel source: 2026-05-12; 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.

What's in the Chester County dataset

Field completeness measured across 192,797 active parcels (Latest ASMT_DATE in public parcel source: 2026-05-12; last loaded into LandAI on 2026-05-25):

FieldCoverage
Owner names99.7%
Site addresses96.7%
Owner mailing addresses99.7%
Deeded acres100%
Calculated (GIS) acres100%
Sale / transfer date94.0%
Assessed total value99.7%
Market total value99.7%
Legal description99.7%

These are 9 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.

Chester County parcel data FAQ

How many parcels are in Chester County, PA?

Chester County, Pennsylvania has 192,797 active parcels in the LandAI dataset (source data as of 2026-05-12).

What fields are included in Chester County parcel data?

The dataset uses LandAI's standardized parcel schema. Field availability varies by source and record. Current measured completeness includes owner names (99.7%), site addresses (96.7%), owner mailing addresses (99.7%), deeded acres (100%), calculated (GIS) acres (100%), sale / transfer date (94.0%), assessed total value (99.7%), market total value (99.7%).

What formats can I download Chester County 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 Chester County parcel data?

Latest ASMT_DATE in public parcel source: 2026-05-12; last loaded into LandAI on 2026-05-25.

Does Chester County parcel data include owner names?

99.7% of Chester County parcels currently include a normalized owner name. Mailing-address coverage is measured and reported separately when the source provides it.

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