The Sullivan County Treasurer has recently finalized the In Rem Tax
Foreclosure proceeding for unpaid 2024 and earlier taxes.
A copy of the Petition and Notice of Foreclosure
can be found by clicking this link:
Judgment of Foreclosure Index #2024-1836
DELINQUENT COUNTY/TOWN TAXES ARE AVAILABLE FOR VIEWING ONLINE.
The Sullivan County Treasurer is now collecting 2026 and earlier County/Town taxes. Payments cannot be made online and must be made directly to the Sullivan County Treasurer's Office.
User Name: sullivan-public
Password: public
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Payment of taxes due can be made by check or money order via:
Mail – payable to the Sullivan County Treasurer, PO Box 5012, Monticello, NY 12701
In person at the Treasurer’s Office on the first floor of the Government Center
For any further questions contact our office: 845-807-0200
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Useful Links:
SULLIVAN COUNTY REAL PROPERTY INFORMATION
Provides in-depth information on Sullivan County properties, including assessment information and tax maps.



