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  • Coronavirus Hotline: 1-888-364-3065.
  • Sullivan County Emergency Community Assistance Hotline (for COVID-19 issues ONLY): 845-807-0925.
  • Sullivan County Public Health Services COVID Info Line: 845-513-2268.
  • NYS Vaccine Line: 1-833-NYS-4-VAX (1-833-697-4829)
  • CLICK HERE for the latest updates and info on COVID-19 in Sullivan County
  • For a list of local COVID-19 testing sites, please click HERE
  • Click HERE for the latest vaccine information and to sign up to be notified of upcoming clinics.
  • to register for our next COVID-19 Vaccination Clinic (ages 12 & up)!

Treasurer Staff

County Treasurer

Sullivan County Treasurer Nancy Buck announces that the redemption date for tax-foreclosed properties has been extended to SEPTEMBER 3, 2021


The Sullivan Treasurer's Office is currently open.  We request that you make an appointment to come in to our office.  You may walk in at any time during business hours to come in our office, but those with scheduled appointments take priority.  Please call (845) 807-0200 to make an appointment. 

If you are making a payment by check or money order, there is a secure drop-box available at both entrances to the Government Center which is checked twice daily.  You may also mail payments to: Sullivan County Treasurer, 100 North Street, PO Box 5012, Monticello, NY 12701.  Envelopes postmarked by the US Postal Service are accepted as timely for regular property tax payments.


Useful Links:


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