New York City Property Valuation and Assessment Data with Geospatial Features

New York City real estate assessment data for property tax calculation, published by the Department of Finance via data.cityofnewyork.us. The dataset includes columns for property value (AVTOT, AVLAND2), location (Longitude, Latitude, Borough), and administrative boundaries (Community Board, Council District). It was last updated on 2022-05-09 22:25:43.

Use Cases

• Predict total assessed property value (AVTOT) using location (Longitude, Latitude) and lot characteristics (LTFRONT, LTDEPTH).
• Analyze spatial distribution of property tax exemptions (EXMPTCL) across Community Boards and Council Districts.
• Model the relationship between land value (AVLAND2) and building characteristics (BLDFRONT) for different property types (VALTYPE).
• Join with external demographic data using geographic identifiers like Census Tract, Block, and Lot.

Strengths

• Includes multiple geographic identifiers (Borough, NTA, Community Board, Census Tract, Block, Lot) for spatial joins.
• Contains detailed financial assessment columns (AVTOT, EXLAND, EXTOT) for tax analysis.
• Data is provided in multiple machine-readable formats (CSV, JSON, XML, RDF).

Limitations

• Row count is unknown, which may limit suitability assessment.
• Last updated 2022-05-09 22:25:43; freshness should be verified.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

data.cityofnewyork.us, likely the New York City Department of Finance.

Collection Method

Annual property valuation for tax calculation.

Freshness

Last updated 2022-05-09 22:25:43.

Geography

New York City, based on columns for Borough, Community Districts, and Police Precincts.