528 Round Hill Road Greenwich, CT $ 18,999,000
528 Round Hill Road
$ 18,999,000
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528 Round Hill Road

Greenwich, CT, 06830
$ 18,999,000
Bedrooms6 Baths12.1 Sq 20,697

Monthly Estimate*

$ 116,980

528 Round Hill Road, Greenwich, CT 06830 - Image 1
528 Round Hill Road, Greenwich, CT 06830 - Image 2
528 Round Hill Road, Greenwich, CT 06830 - Image 3
528 Round Hill Road, Greenwich, CT 06830 - Image 4
528 Round Hill Road, Greenwich, CT 06830 - Image 5
528 Round Hill Road, Greenwich, CT 06830 - Image 6
528 Round Hill Road, Greenwich, CT 06830 - Image 7

Single Family Home for sale in Greenwich, CT

for $18,999,000 with 6 bedrooms and 12 full baths, 1 half bath. This 20,697 square foot home was built in 2026 on a lot size of 4.

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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Single Family Active

Price

$ 18,999,000

Bedrooms

6

Full Bath

12

Half Bath

1

Property Type

Single Family

Taxes

$ 16,961

Style

Lot Size

4

Year Built

2026

Town/City

Greenwich

MLS | Web ID

24150732

Features
General
Zoning RA-4
Neighborhood Back Country
County Fairfield
Tax Year July 2025-June 2026
Property Type Single Family For Sale
Status Active
Acres 4
Directions Merit to Round Hill Road.
High School Greenwich
City Greenwich
Elementary School Parkway
Sq Ft Total 20697
DOM 0
Year Built 2026
Style Colonial
Year Built Source Owner
Pool Description Heated Pool House In Ground Pool
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Interior
Cooling System Central Air
Total Rooms 16
Basement Description Full Fully Finished
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Exterior
Water Source Private Well
Lot Description Professionally Landscaped
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* Excluded Features
List By
Kathryn Bates

Listing Agent

Compass Connecticut, Llc

Broker

kate.bates@compass.com

Email

Affordability Calculator

$118,394
Per Month
99%
1%
0%
Monthly Principal & Interest
$116,980
Monthly Property Taxes
$1,413
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
3041475 Elementary School
3041976 Middle School
Greenwich High School High School
Pricing History
DatePricePrice ChangeDescription
2/6/2026$18,999,000 Listed Price

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528 Round Hill Road, Greenwich, CT, 06830 is a Single Family Home for sale at $18,999,000 with 20,697 sqft and a lot size of 4. 528 Round Hill Road has 6 bedrooms, 12.1 baths, and was built in 2026. The property's zip code is 06830 which is in Greenwich, CT