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$18,999,000
New Listing

528 Round Hill Road
Greenwich, CT 06830

For Sale|Single Family Residence|Active
6
Beds
13
Total Baths
12
Full Baths
1
Partial Bath
20,697
SqFt
$918
/SqFt
2026
Built
County:
Fairfield
Listing courtesy of Kathryn Bates of Compass Connecticut, LLC Office Phone: (203) 423-3100 Broker Contact: (203) 554-1143

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528 Round Hill Road528 Round Hill Road528 Round Hill Road528 Round Hill Road
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Stunning New Construction. A Grand Estate of Architectural Distinction. This Incredible new build was Conceived and Constructed without Compromise. A build of enduring significance beautifully set on 4 acres. Spanning 17,197 square feet, this residence achieves extraordinary vertical volume with 11-foot ceilings on the main level and a breathtaking two-and-a-half-story family room framed by floor-to-ceiling glass. The main level features a Chef's kitchen with an oversized 14-foot island, a glass-enclosed wine room, a stately library and a first floor guest suite. Upstairs, the private primary wing offers a dramatic atrium, vaulted ceilings, and "boutique" level his-and-hers closets. The walk-out lower level with 11 foot ceilings serves as a private resort-level retreat, featuring a glass-enclosed fitness center, a serene octagonal meditation room, and a state-of-the-art golf simulator. Outside, a 3,200-square-foot multi-level masonry terrace leads to a resort-style pool and a fully appointed pool house with a wood-burning fireplace. This estate features a black slate roof, Marvin high-performance windows, and intelligent luxury systems including a Lutron smart lighting system, a 38KW standby generator, and electric vehicle charging. This purpose built masterpiece is designed to stand apart in one of Greenwich's most prestigious settings. Completion expected spring of 2027.

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Listing Snapshot
Price 
$18,999,000
Days On Site 
0 Days
Bedrooms 
6
Inside Area (SqFt) 
20,697 sqft
Total Baths 
13
Full Baths 
12
Partial Baths 
1
Lot Size 
4 Acres
Year Built 
2026
MLS® Number 
24150732
Status 
Active
Property Tax 
$16,961
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
6 hours agoListing updated with changes from the MLS®
6 hours agoListing first seen on site
General Features
Acres 
4
Attached Garage 
Yes
Foundation 
Concrete Perimeter
Garage 
Yes
Garage Spaces 
4
Home Warranty 
Yes
Parking 
Garage Door OpenerAttached
Property Sub Type 
Single Family Residence
Security 
Security System
Sewer 
Septic Tank
SqFt Total 
20697
Style 
Colonial
Water Source 
Well
Zoning 
RA-4
Interior Features
Appliances 
DishwasherDryerGas CooktopGas RangeMicrowaveRefrigeratorWasherWine Cooler
Basement 
FullFinished
Cooling 
Central Air
Fireplace 
Yes
Fireplaces 
4
Heating 
PropaneForced Air
Interior 
Sound SystemOpen Floorplan
Bedroom 
Level - Upper
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Exterior Features
Construction Details 
CedarShingle SidingFrame
Other Structures 
Pool House
Pool Features 
HeatedOutdoor PoolIn Ground
Schools
School District
Unknown
Elementary School
Parkway
Middle School
Unknown
High School
Greenwich
Listing courtesy of Kathryn Bates of Compass Connecticut, LLC Office Phone: (203) 423-3100 Broker Contact: (203) 554-1143



The data relating to real estate for sale on this website appears in part through the SMARTMLS Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms, and is provided by SMARTMLS through a licensing agreement. Listing information is from various brokers who participate in the SMARTMLS IDX program and not all listings may be visible on the site. The property information being provided on or through the website is for the personal, non-commercial use of consumers and such information may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some properties which appear for sale on the website may no longer be available because they are for instance, under contract, sold or are no longer being offered for sale. Property information displayed is deemed reliable but is not guaranteed. Copyright 2026 SmartMLS, Inc.
Last checked: 2026-02-06 10:44 PM UTC.

Neighborhood & Commute
Source: Walkscore
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