Download Allegany County, New York parcel data - 34,083 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: County parcel polygons joined to NYS ITS/ORPTS 2025 assessment-roll owner/mailing attributes; NYS centroid publication date: May 2026; 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 34,083 active parcels (County parcel polygons joined to NYS ITS/ORPTS 2025 assessment-roll owner/mailing attributes; NYS centroid publication date: May 2026; last loaded into LandAI on 2026-05-21):
| Field | Coverage |
|---|---|
| Owner names | 99.8% |
| Site addresses | 97.4% |
| Owner mailing addresses | 96.3% |
| Calculated (GIS) acres | 100% |
| Land use | 4.9% |
| Market total value | 96.7% |
| Year built | 57.0% |
| Building square footage | 52.8% |
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.
Allegany County, New York has 34,083 active parcels in the LandAI dataset (source data as of 2025).
The dataset uses LandAI's standardized parcel schema. Field availability varies by source and record. Current measured completeness includes owner names (99.8%), site addresses (97.4%), owner mailing addresses (96.3%), calculated (GIS) acres (100%), land use (4.9%), market total value (96.7%), year built (57.0%), building square footage (52.8%).
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.
County parcel polygons joined to NYS ITS/ORPTS 2025 assessment-roll owner/mailing attributes; NYS centroid publication date: May 2026; last loaded into LandAI on 2026-05-21.
99.8% of Allegany 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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