Town of Plattekill, NY

PO Box 45
1915 Route 44-55
Modena, New York 12548
(845) 883-7331


Town of Plattekill Assessor’s Office

                                                                                                            Tricia Masterson

P: (845) 883-7331 x 17


Assessor’s Office Hours:

Monday 9am-3:30PM, Wednesday 9am-3pm, Friday 9am-3pm


Assessor Clerk
Dawn Maresca

P: (845) 883-7331 x 21


Clerk’s Office Hours
Monday – Friday 9am – 4pm


The Assessor’s Office is responsible for the Fair and Equitable Valuation of all properties in the Town of Plattekill, Exemption Administration, Sales Processing and Tax Mapping.

Assessor’s Message:

I am available to review your exemption information, parcel inventory or assessment at any time. As a resident and property owner in Plattekill, if you disagree with your property assessment as of May 1st, please submit a Grievance application with supporting documentation of your estimate market value for your property. I will review all of the documents and supporting information. If i cannot support a reduction to the assessment based on the data submitted, I will forward the documents to the Board of Assessment Review for their review and determination on Grievance Day. Residents will be notified of the boards final determination within 30 days of Grievance Day.

For additional information, including exemption forms and instructions, regarding Assessor and assessment practices, visit New York State Office of Real Property Tax Services website here:


GRIEVANCE DAY 2022, May 26th. 1-4pm and 6-8pm.

GENERAL TAX BILL INFORMATION: Tax Collection (Town Clerks office) 845-883-7331 ext. 13

SCHOOL TAX BILL INFORMATION: Use Info or contact the individual school district

Highland CSD 845-691-1054, New Paltz CSD 845-256-4010, Wallkill CSD 845-895-7111, Marlboro CSD 845-236-8000

TAX BILL MAILING ADDRESS CHANGE:  The office requests that any mailing changes be sent in writing via email or a letter to the office.

NEW HOME OR IMPROVEMENT TAX ESTIMATE: Please forward all home improvement tax estimates to the Assessor’s email with the specifications of the project/improvements, including cost estimates.



Valuation Date- July 1st (prior year)

Taxable Status Date: March 1st (current year)

Tentative Assessment Roll- May 1st (current year)

Change of assessment notices- mailed first week of May (current year)

Grievance Date- Thursday proceeding the fourth Tuesday in May.

Notice of Board of Assessment Review Decisions- mailed within 30days of Grievance date.

Final Assessment Roll- July 1st (current year)


2020 Assessment Roll

Online Property Information Town of Plattekill Online Property Information {}

Online Property Information
Town of Plattekill Online Property Information {}


Ulster County Assessment Roll

Applications and Documents

To access any documents you may need, please visit our Document Center