New York City ACRIS Property Type Code Definitions

Property type code definitions used in New York City's Automated City Register Information System (ACRIS). This dataset maps standardized codes to their descriptions for real and personal property legal documents. It is maintained by the City of New York and was last updated in March 2026.

Use Cases

• Decode the PROPERTY TYPE field in ACRIS legal datasets by joining on the RECORD TYPE code.
• Validate property type classifications in ACRIS data pipelines by checking codes against the DESCRIPTION field.
• Standardize property type labels in real estate analytics by using the official code mapping.
• Filter ACRIS transaction records for specific property types (e.g., residential, commercial) using the standardized code list.

Strengths

• Provides official code definitions for a major metropolitan property recording system.
• Maintained by a government authority (data.cityofnewyork.us).
• Updated in 2026, indicating recent maintenance.

Limitations

• Sample data unavailable, preventing verification of actual row content and volume.
• No row count or size information provided.
• Limited to the specific code schema of the New York City ACRIS system.

Provenance

Source

City of New York via data.cityofnewyork.us.

Collection Method

Extracted from the Automated City Register Information System (ACRIS).

Freshness

Last updated March 2026.

Geography

New York City, New York, USA.