City Owned and Leased Property (COLP): New York City Real Estate Inventory

City Owned and Leased Properties (COLP) is a detailed inventory of all real estate owned or leased by New York City government agencies. The Department of City Planning (DCP) publishes this dataset as required by the City Charter, with data extracted from the Integrated Property Information System (IPIS) maintained by the Department of Citywide Administrative Services (DCAS). The current version was released on 2026-05-18.

Use Cases

• Mapping property locations and analyzing spatial distribution using LATITUDE, LONGITUDE, and BOROUGH.
• Classifying property use types and ownership status for portfolio analysis using USE TYPE, OWNERSHIP, and AGENCY.
• Joining with other NYC geospatial datasets for neighborhood-level studies using BBL, TAX BLOCK, TAX LOT, and Community Districts.
• Analyzing leasing agreements and commitments for financial planning using LEASED PROPERTIES, AGREEMENT, and FINAL COMMITMENT.

Strengths

• Includes precise geospatial coordinates (LATITUDE, LONGITUDE, X COORDINATE, Y COORDINATE) and geometry (GEOM) for mapping.
• Contains detailed administrative identifiers like BBL (Borough-Block-Lot) and links to political boundaries (City Council Districts, Police Precincts).
• Data is sourced from an authoritative city system (IPIS) and published with a clear version (20260430) and update timestamp (2026-05-18).

Limitations

• Row count and total dataset size are unknown, which may limit suitability assessment for large-scale ML projects.
• Description metadata is limited; actual data quality, such as completeness of the USE CODE or PARCEL NAME fields, requires manual inspection after download.

Provenance

Source

New York City Department of City Planning (DCP), with data extracted from the Department of Citywide Administrative Services (DCAS) Integrated Property Information System (IPIS).

Collection Method

Published as required by Chapter 204 of the New York City Charter.

Freshness

Last updated 2026-05-18 15:52:25.

Geography

New York City, USA (Boroughs: Manhattan, Brooklyn, Queens, Bronx, Staten Island).