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Back 21 Sterling Rd S
Off Market

21 Sterling Rd S

Armonk NY 10504

6
9
3
11615 sq. ft.
115870 sq. ft.
Single-Family
Last sold for $6,615,000
Brian MiltonBrian Milton, last sold this property on 15 September 2025 after 741 days on market.

Overview

Where design meets purpose—this award-winning home brings together architectural innovation and serene luxury. Created by Carol Kurth Architecture and built by Legacy Construction NE, exceptional craftsmanship is seen throughout the home, showcased by a mix of natural materials and bold structural details. A cantilevered fireplace, floating staircases and cathedral ceilings are some of the thoughtfully considered elements found in these elegant and exhilarating interiors. The luxurious offerings in each space include a Bulthaup chef’s kitchen, primary suite with two fireplaces and spa, three additional bedrooms with attached lounge and work areas, a guest bedroom on the first floor and a private sun-drenched office. A suite of premium amenities make your everyday a remarkably refreshing experience. The unique indoor/outdoor pool, with a retractable glass A-frame roof is the signature amenity, while a spa area, indoor basketball and sport court, gym, and theater room complete the collection. Located on one of Armonk’s most coveted streets, close to town, schools and highways. This personal sanctuary is also 15 minutes to downtown Greenwich and within an hour of NYC.

Features

6 bedrooms
9 bathrooms
3 carspaces
3 garage spaces
11615 sq. ft. floor area
115870 sq. ft. lot size
Single-Family

Estimated Value

Based on this property and similar 6 bedroom single-family properties sold in Armonk over the last 12 months, the estimated median property value of 21 Sterling Rd S is $3.6m.

Median value
$3.6m
Estimated value range
$2.66m - $6.86m
Median days on market
50
Estimated value trend
2%
increase over the last 12 months
Average days on market is based on recent, comparable sales in Armonk. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 21 Sterling Rd S

2025
Sold
$6,615,000
15 Sep 2025 by Brian Milton, of Compass Greater NY, LLC

Happy sellers in Armonk

~%

We have insufficient information to provide an overview of customer satisfaction for Armonk. Viewing the agent profiles, reviews and sales for Armonk can provide insights for this location.

Local market activity for 6 bedroom single-family properties in Armonk

In the last 12 months, 4 six-bedroom single-family properties similar to 21 Sterling Rd S, have been sold.

This represents a 150% decrease in six-bedroom single-family properties sales when compared to the previous 12 months.

Nearby agents

Compare and contact these top performing agents who’ve delivered exception customer service for their clients in Armonk

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Edward Holmes

Edward Holmes is a recommended agent for Armonk.  They have 2 local sales and collected 2 local reviews across the last 12 months.

  •   5   (9 reviews)
  •  2 Reviews in Armonk
  •  2 Sales in Armonk
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Sandra Scarano

Sandra Scarano is a recommended agent for Armonk.  They have 3 local sales and collected 1 local review across the last 12 months.

  •   5   (1 review)
  •  1 Review in Armonk
  •  3 Sales in Armonk
View profile
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Yarden Ronen-Van Heerden

Yarden Ronen-Van Heerden is an award winning recommended agent for Armonk.  They have 1 local sale and collected 1 local review across the last 12 months.

  •   5   (93 reviews)
  •  1 Review in Armonk
  •  1 Sale in Armonk
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Stacey Sporn

Stacey Sporn is a recommended agent for Armonk.  They have 10 local sales across the last 12 months.

  •  10 Sales in Armonk
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