Monticello Tax Assessor Offices


Monticello tax assessor office in Monticello, New York maintains the assessment of real properties in its area of jurisdiction. The components of a tax assessment include the physical description and inventory of the subject area. It also includes the value estimate of each parcel of land in an up-to-date manner. The office of the tax assessor in Monticello conducts an annual analysis of the properties in order to determine changes in certain assessments if there are any.

Monticello Tax Assessor Overview

It is the duty and responsibility of the Monticello tax assessor office to provide transparent information to the public regarding tax processes and appraisals. The directory portal provides updated information of the local tax assessor and tax office for the reference of Monticello taxpayers:


Monticello Tax Assessor: Sullivan County Real Property Tax Services

Tax Assessor Office Address: 100 North St., Monticello, NY 12701

Phone: (845) 807-0221

Fax: (845) 807-0232

Website: http://co.sullivan.ny.us/Departments/DepartmentsNZ/RealPropertyTaxServices/tabid/3319/default.aspx

Zip Code: 845

Office Hours: Eastern

Why keep in touch with your local NY tax office?

Knowing the current value of your property is essential for your tax payment obligations. Tax assessment helps determine how much you need to pay for your property taxes. It is also important in case you put your property up for sale. For more details, call or visit your Monticello tax assessor office today.