Seller's Agent in 2025
Brian Milton
Compass Greater NY, LLC
(203) 343-0141
115 Total Sales
21 Sterling Rd S Armonk, NY 10504
North Castle AreaEstimated Value: $5,855,736 - $6,930,000
6
Beds
9
Baths
11,615
Sq Ft
$557/Sq Ft
Est. Value
Highlights
- Indoor Pool
- Basketball Court
- Cathedral Ceiling
- Wampus Elementary School Rated A
- Contemporary Architecture
- Main Floor Bedroom
About This Home
As of September 2025Where 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.
Last Agent to Sell the Property
Compass Greater NY, LLC Brokerage Phone: 914-228-2656 License #40MI1017685 Listed on: 07/01/2025
Last Buyer's Agent
Non Non Member-MLS
Non-Member MLS
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $84,920
Year Built
- Built in 2006
Lot Details
- 2.66 Acre Lot
- Level Lot
Parking
- 3 Car Garage
Home Design
- Contemporary Architecture
- Frame Construction
- Wood Siding
- Stone Siding
Interior Spaces
- 11,615 Sq Ft Home
- Wet Bar
- Cathedral Ceiling
- 3 Fireplaces
- Entrance Foyer
- Formal Dining Room
- Home Security System
- Eat-In Kitchen
- Finished Basement
Bedrooms and Bathrooms
- 6 Bedrooms
- Main Floor Bedroom
- En-Suite Primary Bedroom
- Walk-In Closet
Pool
- Indoor Pool
- In Ground Pool
Outdoor Features
- Basketball Court
- Balcony
- Patio
Location
- Property is near schools and shops
Schools
- Coman Hill Elementary School
- H C Crittenden Middle School
- Byram Hills High School
Utilities
- Central Air
- Heating System Uses Oil
- Hydro-Air Heating System
- Radiant Heating System
- Well
- Oil Water Heater
- Septic Tank
Listing and Financial Details
- Assessor Parcel Number 3800-108-000-00004-000-0001-012-0000
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Jul 1, 2025
Closed on
Sep 15, 2025
Sold by
Bought by
Seller's Agent
Brian Milton
Compass Greater NY, LLC
Buyer's Agent
Non Non Member-MLS
Non-Member MLS
List Price
$6,950,000
Sold Price
$6,615,000
Premium/Discount to List
-$335,000
-4.82%
Views
165
Current Estimated Value
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$141,066
Avg. Annual Appreciation
-2.45%
Purchase Details
Closed on
Sep 9, 2003
Sold by
Bought by
Purchase Details
Closed on
Apr 21, 2002
Sold by
Bought by
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area
Home Values in the Area
Average Home Value in this Area
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Buyer | Sale Price | Title Company |
|---|---|---|---|
| $6,615,000 | Stewart Title Guaranty Company | ||
| $1,850,000 | The Judicial Title Ins Agenc | ||
| -- | -- |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 09/15/2025 09/15/25 | Sold | $6,615,000 | -4.8% | $570 / Sq Ft |
| 08/20/2025 08/20/25 | Pending | -- | -- | -- |
| 07/01/2025 07/01/25 | For Sale | $6,950,000 | -- | $598 / Sq Ft |
Source: OneKey® MLS
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $21,695 | $77,000 | $3,300 | $73,700 |
| 2024 | $84,920 | $77,000 | $3,300 | $73,700 |
| 2023 | $81,010 | $77,000 | $3,300 | $73,700 |
| 2022 | $80,487 | $77,000 | $3,300 | $73,700 |
| 2021 | $79,286 | $77,000 | $3,300 | $73,700 |
| 2020 | $79,509 | $77,000 | $3,300 | $73,700 |
| 2019 | $77,816 | $77,000 | $3,300 | $73,700 |
| 2018 | $78,895 | $77,000 | $3,300 | $73,700 |
| 2017 | $25,046 | $77,000 | $3,300 | $73,700 |
| 2016 | $77,914 | $77,000 | $3,300 | $73,700 |
| 2015 | -- | $77,000 | $3,300 | $73,700 |
| 2014 | -- | $77,000 | $3,300 | $73,700 |
| 2013 | -- | $77,000 | $3,300 | $73,700 |
Source: Public Records
Agents Affiliated with this Home
-
Brian Milton
-
N
Buyer's Agent in 2025
Non Non Member-MLS
Non-Member MLS
Map
Source: OneKey® MLS
MLS Number: 878389
APN: 3800-108-000-00004-000-0001-012-0000
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
The data relating to real estate for sale or lease on this web site comes in part from OneKey® MLS. Real estate listings held by brokerage firms other than Ten-X are marked with the OneKey® MLS logo or an abbreviated logo and detailed information about them includes the name of the listing broker.
Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Information is deemed reliable but not guaranteed.
Copyright 2026 OneKey® MLS. All rights reserved.
Based on information submitted to the MLS GRID
Listings courtesy of OneKey® MLS as distributed by MLS GRID
Nearby Homes
- 11 Creemer Rd
- 461 Bedford Rd
- 34 Creemer Rd
- 8 Seymour Place W
- 38 Partridge Hollow Rd
- 17 Byram Lake Rd
- 640 Round Hill Rd
- 15 Maryland Ave
- 212 Bedford Rd
- 65 John St
- 150 Bedford Rd
- 208 Bedford Rd
- 1 Redbrooke Place
- 32 - 05 Orchard Dr
- 61 Fieldstone Knoll Unit 17
- 3 Israel Townsend Hill
- 530 Round Hill Rd
- 550 Round Hill Rd
- 532 Round Hill Rd
- 549 Round Hill Rd
Your Personal Tour Guide
Ask me questions while you tour the home.