by RH Advisors

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Westchester 10549
115 Old Roaring Brook Road
$3,695,000
● House - In Contract

115 Old Roaring Brook Road

New Castle, NY 10549
bedrooms
5 Beds
bathrooms
6 Baths, 1 Half Bath
square feet
6,500 Ft²
$20,401
Est. Monthly

About This Property

Experience the pinnacle of new construction in one of Chappaqua's most coveted locations within the award winning Chappaqua Schools. Built by a highly regarded local builder known for exceptional craftsmanship and thoughtful design, this stunning 5-bedroom, 6.5-bathroom residence offers approximately 6,500 square feet across three finished levels.

Privately set on over 11 acres, the property delivers a rare combination of estate-scale living and everyday convenience. The home features 10' ceilings on the main level, 9' ceilings upstairs, and a seamless, modern layout designed for both elegant entertaining and comfortable living. A walk-out lower level provides additional flexible living space, while infrastructure for hybrid/electric vehicles reflects today's lifestyle needs.

Surrounded by mature trees and scenic vistas, the grounds offer exceptional privacy and a prime opportunity for a future pool. Ideally located just minutes to Metro-North Railroad for an easy NYC commute, as well as Chappaqua Crossing, Life Time Fitness, and Whole Foods Market. Bringing the very best of the Chappaqua lifestyle to your doorstep.

A rare opportunity to own a newly built estate property in a premier Westchester location.
Unit Size
6,500 Ft²
Days on Market
-
Land Size
11.98 acres
Price per sqft
$568
Property Type
House
Property Taxes
$2,257
HOA Dues
-
Year Built
-

Listed By

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Last updated: 2 months ago (OneKey MLS #KEY975892)

Price History

Date / Event Date Event Price
Jun 10, 2026 In contract -
In contract
Mar 24, 2026 Listed by Houlihan Lawrence Inc. $3,695,000
Listed by Houlihan Lawrence Inc.
Oct 15, 2025 Sold
Sold
Mar 6, 2025 In contract -
In contract
Feb 5, 2025 Relisted $990,000
Relisted
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Property Highlights

Garage
Air Conditioning
Fireplace
Parking Details
Has Garage
Parking Features: Electric Vehicle Charging Station(s), Garage, Garage Door Opener
Garage Spaces: 3
Interior Details
Half Bathrooms: 1
Full Bathrooms: 6
Interior Features: Built-in Features, Cathedral Ceiling(s), Central Vacuum, Crown Molding, Double Vanity, Eat-in Kitchen, Entrance Foyer, High Ceilings, High Speed Internet, His and Hers Closets, First Floor Bedroom, First Floor Full Bath, Chefs Kitchen, ENERGY STAR Qualified Door(s), Formal Dining
Appliances: Convection Oven, Cooktop, Dishwasher, Dryer, ENERGY STAR Qualified Appliances
Flooring Type: Hardwood
Laundry Features: Electric Dryer Hookup, In Bathroom, Washer Hookup
Rooms: 12
Has Fireplace
Fireplace Features: Family Room, Gas
Fireplaces: 1
Basement: Finished, Full
Exterior Details
Square Footage: 6500
Square Footage Source: $0
Property Condition: New Construction
Architectural Style: Colonial, Contemporary
Year Built: 2026
Levels: Three Or More
Building Area Units: Square Feet
Construction Materials: Advanced Framing Technique
Lot Features: Wooded
Lot Size Area: 521849
Lot Size Units: Square Feet
Lot Size Acres: 11.98
Lot Size Square Feet: 521849
Tax Lot: 3600-082-017-00001
Water Source: Public
Financial Details
Tax Assessed Value: $162,000
Tax Annual Amount: $27,087
Utilities Details
Cooling Type: Central Air
Heating Type: ENERGY STAR Qualified Equipment, Propane, Radiant Floor, Ducts
Sewer : Septic Tank

Building Info

Overview

    General

  • Bedroom Count: 0
  • Building Condition: 0
  • Building Quality: 0
  • Construction Type: 0
  • Building Style: 0
  • Exterior Walls Type: 0
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Cover: 0
  • Basement Type: 0
  • Basement Area: 0
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 521,849
  • Total Building Area: 0
  • Building Area: 0

    Heating and Cooling

  • Air Conditioning: 0
  • Heating: 0
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 2

Building

  • Building Type: 0
  • Property Class: V
  • Land Acres: 0000011980
  • Standard Land Use Code: 8001
  • County Land Use Code: 311

Neighborhood

  • School District Name: Chappaqua Central School District
  • School Tax School District: CHAPPAQUA
  • Census Tract: 013104

Zoning

  • Zoning: R-2A

Geography

  • Account Number: 2505000
  • District: 553600
  • Section: 82.17
  • Parcel: 553600 82.17-1-1
  • Block: 1
  • Lot: 1.000
  • Municipality: NEW CASTLE
  • Latitude: 41.1924
  • Longitude: -73.7538

    Address

  • Full Address: 115 Old Roaring Brook Rd
  • Address - House Number: 115
  • Address - Street Name: Old Roaring Brook
  • Address - Suffix Type: Rd
  • State: NY
  • City Name: Mount Kisco
  • Carrier Code: R006
  • 4-Digit Zip Code: 3719
  • Zip Code: 10549

Valuation

    Tax

  • Tax Year: 2023
  • Tax Amount: $2,599,597
  • Tax Rate Code Area: 553604

    Market Valuation

  • Market Total Value: $1,094,595
  • Market Land Value: $1,094,595

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $162,000
  • Assessed Land Value: $162,000
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Westchester


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Frequently Asked Questions

When was property at 115 Old Roaring Brook Road built and last sold?
The property at 115 Old Roaring Brook Road was built in and last sold on Jan 1, 1970 for $0.
How much is this home worth?
The estimated value of the home located at 115 Old Roaring Brook Road is $3,731,950.
What are some comparable homes to 115 Old Roaring Brook Road?
There are currently no comparable homes to 115 Old Roaring Brook Road.