Assessor
4052 State Route 42, Monticello, NY 12701, USA
845-794-2500 Ext. 324
845-794-8600
Office Hours
Monday - Friday 8:30 AM - 4:30 PM
The Assessor is responsible for the valuation of real property in the Town of Thompson and the Village of Monticello. The office is also responsible for the administration of various tax exemptions in accordance with New York State Real Property Tax Law, and local laws, along with the maintenance of property inventory records. Click here for more information about the Job of the Assessor.
Assessor Contacts
Van B. Krzywicki, IAO
Sole Appointed Assessor
[email protected]
Angela Ruggeri
Assessor Clerk
[email protected]
Richard McClernon
Data Collector
[email protected]
Link to State Forms by Number
Additional Information
Key Facts and Figures: Town of Thompson, Sullivan County NY
- Thompson Demographic Data
- Current Equalization and RAR Stats
- 2023 Total Number of Tax Parcels: 10,599
- 2023 Total Assessed Value: $1.865 Billion, Full Market Value $3.712 Billion
- Last Town-wide Revaluation 2004
Assessment Information
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Find My Tax Bill
- 2024 Town & County Tax Bill Lookup
- Prior Years Town, County and Village Tax bills
- Monticello School Tax bills
- Fallsburg and Liberty School Tax Bills
- Sullivan County School Tax Collectors 2023
Exemption Administration
- STAR Registration
- STAR State Tel # and web address rp-5310-fs
- Senior Citizens Exemption
- Veteran’s Exemption
- 480-a Forest Tax Law
- Agricultural Exemptions
Tax Grievance Information
Property Analysis Tools