Office of Assessor
19 Legion Street
PO Box 687
Jeffersonville, NY 12748
Phone: 845-482-5390 Ext 302
Office Hours: M-F 9:00AM – 4:00PM
Office Documents & Links:
Forms, publications, exemption applications and other Real Property literature can be found on the New York State Offices of Real Property Tax Services
Sullivan County Website
Important Dates to Remember
Town & County tax bills mailed to property owners.
All exemption applications and renewals must be received in the Assessor’s Office.
Inventory for assessments available for review.
Tentative Assessment Roll Published
Opportunity to review assessments with Assessor until 4th Tuesday in May.
4th Tuesday in May
Last day to file petition for review of assessment with Assessment Board of Review.
Board of Assessment Review convenes.
Final Assessment Roll published.
Last day to request change of address for school tax bills.
School Tax bills mailed to property owners.
Last day to request change of address for Town & County tax bills.