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Treasurer's Office Staff

County Treasurer

The Sullivan County Treasurer commenced the In Rem Tax Foreclosure proceeding for unpaid 2022 and earlier taxes on November 15, 2023. 

The Petition and List of Delinquent Taxes can be found by clicking on this link.

Contact the Treasurer's Office for further information: 845-807-0200




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

Useful Links:

Provides in-depth information on Sullivan County properties, including assessment information and tax maps.