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Treasurer Staff

County Treasurer

Sullivan County Treasurer Nancy Buck announces that the redemption date for tax-foreclosed properties has been extended to JANUARY 15, 2022.


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
  • Secure drop box at the entrance to the Sullivan County Government Center - 100 North Street in Monticello, or
  • In person at the Treasurer’s Office on the first floor of the Government Center – walk-ins welcome, but appointments preferred (845-807-0200)


Useful Links:


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