Assessor's Office


Town of New Castle Assessor


(914) 238-4722
Fax: (914) 238-2537
Office Hours: Monday-Friday, 8:45a.m. - 4:30p.m.
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Philip M. Platz, Esq. IAO.
Town Assessor
Appointed by Town Board for six year term.

Jackie MacMahon
Assessment Clerk -
(Contact for all exemption applications.)

Bill Pforzheimer
Senior Real Property Appraiser

  • Prepares assessments of real property within the Town.
  • Updates assessments annually and publishes tentative assessment roll on June 1st.
  • The Town Assessor welcomes meetings with residents to explain the assessment process and review assessment concerns.
  • Residents dissatisfied with assessments appeal to Board of Assessment Review
  • This board reviews assessment complaints (grievances), deliberates and notifies the property owner and Assessor of their final determination.
  • The Assessor then files the Final Assessment Roll in September.
  • For more information, review the grievance procedure.
  • Receives and grants S.T.A.R. and Veterans and Senior (Aged) Exemption applications. All exemption applications and renewals are due by June 1 of each year.
  • More information is available on tax collection and assessment records.

The Town of New Castle GIS Tax Parcel Maps may soon be available on the Internet. They will offer a limited view of the overall tax parcels that are within the Town of New Castle.