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Tax Installment Agreements

The Sullivan County Treasurer, as the Enforcing Officer for the County of Sullivan, has the authority to prepare and execute agreements with eligible owners for the payment of eligible delinquent taxes over an extended period (24 months) in accordance with §1184 of the Real Property Tax Law and Local Law No. 3-2005 of the County of Sullivan.


  • Installment Agreements made by the County of Sullivan are for County/Town taxes only.  If your property is located within a village in Sullivan County, you must contact the village for tax information.  County Installment Agreements do not include Village taxes.
  • The required down payment under said installment agreement is 15-25% of the total delinquent taxes.
  • The balance of delinquent taxes, after the down payment, shall be due and payable in twenty four (24) monthly installments until paid in full, together with interest (currently 12% per annum).
  • The down payment must be paid with guaranteed funds only (cash, bank check, money order, Visa, MasterCard or Discover).  Personal checks will not be accepted.  Down payments paid by credit card are subject to a 2.75% convenience fee charged by credit card provider.
  • Credit cards are not accepted for monthly installment payments.
  • Each installment shall be due on the last day of the month in which it is to be paid.  If any installment is not paid by the 15th calendar day after the payment due date, a late charge of 5% of the overdue payment shall be added.
  • Under the terms of the contract, taxpayers must remain current with all future taxes.  School taxes must be paid to the School between September 1 and November 30 of each year and Town/County taxes must be paid to the respective Town between January 1 and March 31 of each year.
  • All properties owned by the taxpayer must be included in the agreement and at no time shall a partial release be made without the express consent of the Enforcing Officer.
  • Failure to stay current with all taxes and monthly payments may result in foreclosure or other legal remedy authorized by law.
  • Note:  A corporation/LLC entering into an installment agreement must provide a Resolution to enter into the agreement and provide proof that the person signing on behalf of the corporation/LLC is permitted to act/sign on behalf of the corporation/LLC.

For further information on installment agreements, contact the Treasurer’s Office at (845) 807-0200.