
21 Sterling Rd S Armonk, NY 10504
Estimated payment $44,946/month
Highlights
- Very Popular Property
- Indoor Pool
- Contemporary Architecture
- Coman Hill School Rated A-
- Basketball Court
- Cathedral Ceiling
About This Home
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.
Listing Agent
Compass Greater NY, LLC Brokerage Phone: 914-228-2656 License #40MI1017685 Listed on: 07/01/2025

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
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
Map
Home Values in the Area
Average Home Value in this Area
Tax History
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 |
---|---|---|---|---|
2024 | $70,706 | $77,000 | $3,300 | $73,700 |
2023 | $83,246 | $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 |
Property History
Date | Event | Price | Change | Sq Ft Price |
---|---|---|---|---|
07/01/2025 07/01/25 | For Sale | $6,950,000 | -- | $598 / Sq Ft |
Purchase History
Date | Type | Sale Price | Title Company |
---|---|---|---|
Bargain Sale Deed | $1,850,000 | The Judicial Title Ins Agenc | |
Interfamily Deed Transfer | -- | -- |
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Source: OneKey® MLS
MLS Number: 878389

APN: 3800-108-000-00004-000-0001-012-0000
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