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The Department of Finance values your property every year as one step in calculating your property tax bill.
The final assessment roll lists the final assessed value of every property in New York City.
| FY27 database files by tax class | Compressed .zip file |
|
| Tax Class 1 | 74.5M | |
| Tax Classes 2, 3 and 4 | 47.8M | |
| All Tax Classes | 122.8M | |
| Real Estate of Utility Corporation (subident) | 914K | |
| Record Layout | ||
On May 28, 2026, a new law went into effect that authorizes a surcharge on certain high-value properties in New York City that do not serve as a primary residence, sometimes called a “pied-à-terre.” This law and its implementing rules (NYC Admin Code §§ 11-3201, 11-3205(d); 19 RCNY § 62-07), require the Department of Finance to publish a supplemental market value roll listing all 1-, 2-, and 3-family homes, all cooperative (co-op) and condominium properties, and each individual unit in a co-op property in which at least one unit may be subject to the surcharge.
The listing of property on this roll does not mean that it is subject to the surcharge. Properties that DOF believes are subject to the surcharge receive notification directly by DOF and are given an opportunity to respond. The vast majority of listed properties will not receive such a notice. Property owners who received a letter that they may be subject to the surcharge should review DOF’s FAQ, and if needed, can submit a surcharge exemption application for residential homes and condos or co-ops.
| FY27 Supplemental roll database files by tax class | Compressed .zip file |
| Tax Class 1 | 15.3 M |
| Tax Class 2 | 5 M |
| Record Layout | |
The Department of Finance has made the data for all NYC properties available on the NYC Open Data portal for download. Visit the Open Data page for more information.