The Department of Finance values your property every year as one step in calculating your property tax bill.

FY2024 Tentative Property Assessment Data
(All NYC Properties)

The City's Tentative Assessment Roll lists the assessed value of every property.

FY24 Database Files by Tax Class Compressed
.zip file
Tax Class 1 69M
Tax Classes 2, 3 and 4 44M
All Tax Classes
Real Estate of Utility Corporation (subident)
Record Layout
Class 1 Property Tax Estimator
Class 1 Property Tax Guide
Class 1 Property Tax Guide
Class 2 Property Tax Guide
Class 2 Property Tax Guide

Read more about property valuation and assessment:

Notice of Property Value (NOPV)

Challenge Your Assessment

Apply for an Exemption or Abatement Correcting Property Assessment Clerical Errors

Calculating Your Property Taxes

Assessment Definitions

Real Property Income & Expense (RPIE)

Real Estate of Utility Companies (REUC)

Statements of Assessment Procedures and Guidelines

Assessment Roll Archives

Download All NYC Property Data

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.