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$6,200,000

  • Sold
  • Closed
  • Single Family
  • 5 Beds
  • 4 Full Baths
  • 2 Partial Baths
  • 6,714 Sq. Ft.
  • 3 Car Garage
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Introducing a timeless Round Hill estate, on the market for the first time in over 50 years. Nestled midway along a quiet cul-de-sac, this pastoral property spans over 10+ sweeping, private acres with mature plantings and specimen tress overlooking a tranquil pond. The main residence features beautifully proportioned, sun-filled rooms, 5 bedrooms, 4 full and 2 half baths, and a walk-out lower level that opens to a terrace and pool. Additional highlights include a greenhouse, a 6-stall barn with lounge, tack room, staff apartment, and expansive paddocks with easy access to Greenwich riding trails. An exceptional offering in the heart of Round Hill providing an opportunity to renovate or build your own dream home -experience the privacy and legacy of this remarkable estate.

Full Property Details for 21 Aiken Rd

General

  • Sold For: $6,200,000
  • Taxes: $28,972
  • Status: Closed
  • Type: Single Family
  • Source: Greenwich
  • MLS ID: 122813
  • Added to Site: 279 day(s) ago

Interior

  • Interior Features: Eat-in Kitchen, Sep Shower
  • Number of Fireplaces: 3

Rooms

Bathrooms

  • Total Bathrooms: 6
  • Full Bathrooms: 4
  • Half Bathrooms: 2

Bedrooms

  • Total Bedrooms: 5

Other Rooms

  • Laundry: Laundry Room

Additional Information

  • Pool Description: Outdoor

Parking

  • Garage: Yes
  • Garage Spaces: 3

Location

  • Area: 3 - Greenwich
  • County: Fairfield

School Information

  • Elementary School: Parkway
  • Middle School: Western

Heating & Cooling

  • Cooling Type: Wall Unit(s)
  • Heating Type: Hot Water
  • Heating Fuel: Combination

Utilities

  • Gas: Propane
  • Sewer: Septic Tank
  • Water: Well
  • Utility Description: Propane

Structural Information

  • Architectural Style: Ranch
  • Construction: Brick
  • Basement Desc.: Walk-Out Access, Finished
  • Roof: Asphalt
  • Square Feet: 6,714
  • Sq. Ft. Source: Taxcard
  • Year Built: 1957

Additional Structures

  • Other Structures: Stable(s), Staff Quarters

Lot Features

  • Lot Size (Acres): 10.37
  • Lot Size (Sq. Ft.): 451,717.2
  • Irrigation System: Sprinkler System
  • Zoning: RA-4
  • Lot Description: Park, Meadow

Horse Property

  • Horse Facility Desc.: Paddock

Water Features

  • Water Front: Yes
  • Water Front Desc.: Pond, Lake

Financial Considerations

  • Price Per Sq. Ft.: $1,079.83
  • Tax Amount: $28,972

Disclosures and Reports

  • Exclusions: Call LB
  • Inclusions: Washer/Dryer, All Kitchen Applncs
  • Property ID: 10-2375

Listed and Sold by Sotheby's International Realty

Listing agent

— 21 Aiken Rd —

  • Sotheby's International Realty

Get Pre-Approved Today

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NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 21 Aiken Rd

School District:Greenwich School District
NameGradesDistance
Parkway School
141 Lower Cross Road, Greenwich, CT 06831
K-50.7 mi
Western Middle School
1 Western Junior Highway, Greenwich, CT 06830
6-87.4 mi
Greenwich High School
10 Hillside Road, Greenwich, CT 06830
9-126.1 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 21 Aiken Rd

Date
Details
Price
Change
Source
12/12/2025
Sold
$6,200,000
-14.48%
MLS
5/17/2025
Listed
$7,250,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Listed and Sold by Sotheby's International Realty

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21 Aiken Road, Greenwich, CT 06831 (MLS# 122813) is a Single Family property that was sold at $6,200,000 on December 12, 2025. Want to learn more about 21 Aiken Road? Do you have questions about finding other Single Family real estate for sale in Greenwich? You can browse all Greenwich real estate or contact a Coldwell Banker agent to request more information.