Annual equalization rates established by the New York State Department of Taxation and Finance, beginning in the 1954 rate year. The data includes municipality, county, and village names, along with SWIS codes and rate types. It is published by data.ny.gov and was last updated in May 2026.
Use Cases
- Analyzing trends in assessment uniformity over time using RATE YEAR and EQUALIZATION RATE.
- Comparing equalization rates across different jurisdictions using COUNTY NAME, MUNICIPALITY NAME, and VILLAGE NAME.
- Mapping assessment data by administrative code using SWIS CODE and TYPE for geospatial analysis.
Strengths
- Provides a long-term historical record beginning in 1954.
- Includes standardized geographic identifiers (SWIS CODE) for linking to other datasets.
- Published by an official state government source (data.ny.gov).
Limitations
- Row count is unknown, which may limit suitability assessment.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- New York State Department of Taxation and Finance via data.ny.gov.
- Collection Method
- Annually established by the state tax authority.
- Time Range
- Beginning rate year 1954.
- Freshness
- Last updated 2026-05-05 16:26:04.
- Geography
- New York State, United States.