Hampden County, MA GIS parcel data download

Download Hampden County, Massachusetts GIS parcel data - 165,601 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: MassGIS layer dataLastEditDate: 2026-05-22; last loaded into LandAI on 2026-06-01.

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 Hampden County dataset

Field completeness measured across 165,601 active parcels (MassGIS layer dataLastEditDate: 2026-05-22; last loaded into LandAI on 2026-06-01):

FieldCoverage
Owner names99.6%
Site addresses99.7%
Owner mailing addresses99.4%
Deeded acres99.7%
Calculated (GIS) acres100%
Land use99.7%
Last sale price99.4%
Sale / transfer date99.0%
Market total value99.7%
Building square footage99.3%
Legal description99.7%

These are 11 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.

Hampden County parcel data FAQ

How many parcels are in Hampden County, MA?

Hampden County, Massachusetts has 165,601 active parcels in the LandAI dataset (source data as of 2026-05-22).

What fields are included in Hampden County parcel data?

Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (99.6%), site addresses (99.7%), owner mailing addresses (99.4%), deeded acres (99.7%), calculated (GIS) acres (100%), land use (99.7%), last sale price (99.4%), sale / transfer date (99.0%), and more.

What formats can I download Hampden 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 Hampden County parcel data?

MassGIS layer dataLastEditDate: 2026-05-22; last loaded into LandAI on 2026-06-01.

Does Hampden County parcel data include owner names?

Yes - 99.6% of Hampden County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.

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