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Changes to property assessments and exemptions are recorded by the New York City Department of Finance. The dataset tracks modifications to building and land values over time, using columns like VALCHGBLDG, VALCHGLAND, TAXYR, and PERIOD. It is published by data.cityofnewyork.us and was last updated in February 2026.
License terms are unknown and should be verified before use. Data includes internal administrative codes (e.g., RECTYPE, NYCODE, EXSEQ) which may require a data dictionary for proper interpretation.
| # | Column Name |
|---|---|
| 1 | PARID |
| 2 | RECTYPE |
| 3 | VALCHGBLDG |
| 4 | TAXYR |
| 5 | LLINE |
| 6 | PERIOD |
| 7 | EXTRACTDT |
| 8 | CHG_TP |
| 9 |
| EXSEQ |
| 10 | WEN |
| 11 | ACTCHGBLDG |
| 12 | NYCODE |
| 13 | ACTCHGLAND |
| 14 | EXCODE |
| 15 | VALCHGLAND |