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8 Beds
13 Baths
13,268 sqft

$12,900,000

550 Round Hill Road, Greenwich CT, 06831

Price per sqft$972.26
Built in1998
Property size13,268 sqft
Property typeResidential

Overview

Active

Listed Mar 30, 2026

Updated Jul 21

Nestled on 4.09 acres in Greenwich, CT, this breathtaking 8-bedroom Georgian Colonial estate offers unparalleled elegance and privacy. Commanding spectacular big sky views from its perch 560' above sea level, the property features exquisite formal gardens, and pool. Inside, grand-scale rooms with soaring ceilings, masterful stonework, elegant millwork, and arches create a luxurious atmosphere. Highlights include a Beverly Ellsley gourmet kitchen, cherry library, solarium, and expansive living areas. The primary suite boasts two dressing rooms, spa baths, and a sitting room. A true modern-day ''Great Estate,'' just an hour from NYC.

$85,824/mo

Est. mortgage payment based on a $12,900,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
124589

Interior Features

Bedrooms
8
Bathrooms
13
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
Yes

Exterior Features

Lot Size
4.09 Acres

Other Property Details

Taxes
$75,446
Tax Frequency
Annually
Garage
Yes
Pool
Yes
MLS provider logo

Listed by Stephen Archino with Sotheby's International Realty
Listing Contact:  

The IDX display contains information sourced from the Greenwich Association of REALTORS® as of 7/21/2026. This data is intended solely for personal, non-commercial use and is not to be utilized for any other purposes except to identify potential properties for purchase. Although the MLS data displayed is typically considered reliable, it is not guaranteed to be accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and are advised to conduct their own investigations or seek professional assistance. Other sources besides the Listing Agent may have contributed to the MLS data presented. Unless expressly specified in writing, the Broker/Agent has not confirmed any information obtained from external sources. The Broker/Agent may or may not have acted as the Listing and/or Selling Agent and cannot guarantee the accuracy of property locations displayed on any map. Any compensation offers are solely made to participants of the MLS where the listing is registered.

©2026 Greenwich Association of REALTORS® all rights reserved.

Data last updated on 7/21/2026 at 3:47 PM UTC

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