Download New Haven County, Connecticut GIS parcel data - 279,616 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: CT CAMA collection year; last loaded into LandAI on 2026-06-16.
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 279,616 active parcels (CT CAMA collection year; last loaded into LandAI on 2026-06-16):
| Field | Coverage |
|---|---|
| Owner names | 99.9% |
| Site addresses | 96.0% |
| Owner mailing addresses | 99.9% |
| Deeded acres | 91.5% |
| Calculated (GIS) acres | 100% |
| Land use | 100% |
| Market total value | 98.6% |
| Building square footage | 89.5% |
These are 8 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.
New Haven County, Connecticut has 279,616 active parcels in the LandAI dataset (source data as of 2025-01-01).
Every parcel includes the standardized LandAI schema: parcel ID and geometry plus owner names (99.9%), site addresses (96.0%), owner mailing addresses (99.9%), deeded acres (91.5%), calculated (GIS) acres (100%), land use (100%), market total value (98.6%), building square footage (89.5%), 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.
CT CAMA collection year; last loaded into LandAI on 2026-06-16.
Yes - 99.9% of New Haven County parcels include a normalized owner name, along with owner mailing addresses where the county provides them.
View New Haven County pricing & coverage | All Connecticut counties | Browse the LandAI Data Store