Property Tax 101

Sullivan County, New York - Assessor's Office

The Sullivan County Assessor is responsible for appraising real estate and assessing a property tax on properties located in Sullivan County, New York. You can contact the Sullivan County Assessor for:

• Reporting upgrades or improvements
• Appealing your property tax appraisal
• Information on your property's tax assessment
• Paying your property tax
• Your property tax bill
• Checking the Sullivan County property tax due date

100 North StThe Sullivan County Assessor's Office is located in Monticello, New York. Monticello is the county seat of Sullivan County, where most local government offices are located. The assessor's office is located in the same building as the Sullivan County Government Center, at 100 North Street.

Sullivan County Assessor Contact Information

Additional Sullivan County Information

Sullivan County Assessor's Office Services

There are three major roles involved in administering property taxes - Tax Assessor, Property Appraiser, and Tax Collector. Note that in some counties, one or more of these roles may be held by the same individual or office. For example, the Sullivan County Tax Assessor may also serve as the Sullivan County Tax Appraiser.

1. The Sullivan County Tax Assessor is responsible for setting property tax rates and collecting owed property tax on real estate located in Sullivan County.
2. The Sullivan County Property Appraiser is responsible for determining the taxable value of each piece of real estate, which the Tax Assessor will use to determine the owed property tax.
3. The Sullivan County Tax Collector is responsible for collecting property tax from property owners. They issue yearly tax bills to all property owners in Sullivan County, and work with the sheriff's office to foreclose on properties with delinquent taxes.

When contacting Sullivan County about your property taxes, make sure that you are contacting the correct office. You can call the Sullivan County Tax Assessor's Office for assistance at 845-807-0221. Remember to have your property's Tax ID Number or Parcel Number available when you call!

If you have documents to send, you can fax them to the Sullivan County assessor's office at 845-807-0232. Please call the assessor's office in Monticello before you send documents or if you need to schedule a meeting. If you have general questions, you can call the Sullivan County Government Center at 845-794-3000.

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Find the tax assessor for a different New York county

Find property records for Sullivan County

The median property tax in Sullivan County, New York is $3,645.00

All of the Sullivan County information on this page has been verified and checked for accuracy.
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