Chappaqua is a Hamlet within the Town of New Castle in Westchester County, NY. Homes and property in Chappaqua are taxed based on the assessments of the Town of New Castle.

Are My Town of New Castle Property Taxes Too High?

  • Property taxes are based on the market value of your Chappaqua, NY home.

  • Your local assessor sometimes overestimate the value of your home.

  • If the assessor overestimates the value, it means your home is over-assessed.

  • If your home is over-assessed, you pay more than your fair share in real estate taxes!

  • Stop paying more than your fair share – appeal your property tax assessment!

What Does The Town Of New Castle Think My Property Is Worth?

Town of New Castle Property Tax Calculator

If you think the property tax assessor for the Town of New Castle has over-assessed your property, you should appeal your property tax assessment!

You have only one chance each year to appeal your property tax assessment. If you don’t file your property tax grievance by the deadline, you’ll be paying too much in property taxes for another year!

When Can I Appeal My Property Tax?

The Town of New Castle has a set deadline to submit property tax grievances; Grievance Day:

  • Jun 17, 2025 Town of New Castle

Contact Granite Today!

Contact us today for a no-obligation analysis of your property tax situation.

Get Started

Print, sign and return our Property Tax Reduction application & authorization form, and we’ll get started right away!

STAR Property Tax Relief

The School Tax Relief (STAR) program offers property tax relief to eligible New York State homeowners.

Recent Successful Property Tax Appeals in the Town of New Castle

  • Aldridge Road
    $1,973
  • Algonquin Drive
    $2,520
  • Algonquin Drive
    $3,393
  • Algonquin Drive
    $6,866
  • Algonquin Drive
    $16,183
  • Algonquin Drive
    $23,679
  • Algonquin Drive
    $10,628
  • Allison Lane
    $5,371
  • Allison Lane
    $3,352
  • Alta Lane
    $6,921
  • Annandale Drive
    $7,691
  • Armonk Road
    $5,161
  • Attitash Road
    $2,335
  • Autumn Way
    $10,202
  • Barnes Lane
    $2,863
  • Barnes Lane
    $4,486
  • Barnes Lane
    $2,946
  • Barnes Lane
    $5,387
  • Bedford Road
    $6,070
  • Berol Close
    $1,688