Please be aware the Treasurer's Office is currently closed to public walk-ins. Phone calls, emails and mailings continue to be accepted, however, and there is a dropbox available just outside the office door. You may also mail payments to: Sullivan County Treasurer, 100 North Street, PO Box 5012, Monticello, NY 12701.
Call (845) 807-0200 to reach our office and leave a voice mail if no one is available to take your call.
** As of March 24, 2020, there has been no extension granted for the payment of taxes. It is best that you mail your payments and have the same postmarked by the USPS to ensure the same are timely. Check this website regularly for any updates. **