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Coverage
The following chart reflects what data is available for each individual county within New York State. We list the date of the latest updates. Sales transfers are added to all counties at least 10 times annually. The following provides a synopsis of the data elements referenced in the chart:

COUNTY MOST RECENT SALES TRANSACTION
ALBANY 4/1/2025
City of ALBANY 4/2//2025
ALLEGANY 5/14/2025
BROOME 3/28/2025
CATTARAUGUS 4/30/2025
CAYUGA 4/11/2025
CHAUTAUQUA 2/28//2025
CHEMUNG 4/30/2025
CHENANGO 4/18/2025
CLINTON 5/23/2025
COLUMBIA 2/28/2028
CORTLAND 4/28/2025
DELAWARE 2/28/2025
DUTCHESS 3/11/2025
ERIE 2/28/2025
City of Buffalo 2/18/2025
ESSEX 4/30/2025
FRANKLIN 3/21/2025
FULTON 3/10/2025
GENESEE 4/24/2025
GREENE 4/24/2025
HAMILTON 10/15/2024
HERKIMER 1/30/2025
JEFFERSON 5/15/2025
LEWIS 5/14/2025
LIVINGSTON 2/28/2025
MADISON 2/26//2025
MONROE 3/6/2025
City of Rochester 2/26/2025
MONTGOMERY 4/1/2025
NASSAU 1/23/2025
NIAGARA 4/15/2025
ONEIDA 3/31/2025
ONONDAGA 4/10/2025
City of Syracuse 4/23/2025
   
ONTARIO 3/28/2025
ORANGE 3/24/2025
ORLEANS 5/23/2025
OSWEGO 5/22/2025
OTSEGO 5/14/2025
PUTNAM 5/22025
RENSSELAER 5/14//2025
ROCKLAND 1/31/2025
SARATOGA 4/30/2025
SCHENECTADY 2/19/2025
SCHOHARIE 3/3/2025
SCHULYER 4/30/2025
SENECA 5/14/2025
SUFFOLK 12/27/2024
STEUBEN 4/10/2025
ST. LAWRENCE 3/3/2025
SULLIVAN 2/27/2025
TIOGA 3/27/2025
TOMPKINS 5/23/2025
ULSTER 4/30/2025
WARREN 4/28/2025
WASHINGTON 3/26/2025
WAYNE 4/29/2025
WESTCHESTER 4/29/2025
WYOMING 4/30/2025
YATES 3/26/2025

     
  • Sales Updates:  June 6th, 2025
    Sales transfers are updated and appended to all counties periodically. The date listed above reflects when new transfers were added to all counties. However, more current sales may be included in a county that recently had the ‘main assessment data’ updated.

Main Assessment Data:
The comprehensive assessment data for a county, or cumulatively of it’s townships, is normally collected and processed annually.