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528 Round Hill Road, Greenwich, CT 06830

Single Family For Sale

$18,999,000
$918/sqft
528 Round Hill Road, Greenwich, CT
Active
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6
Bedrooms
13
Bathrooms
20,697
Sq Ft
4
Acres
2026
Year Built

About This Home

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.

Listed by Kathryn Bates (203) 554-1143 with Compass Connecticut, LLC (203) 423-3100

Listing Snapshot

Price $18,999,000 Days on Our Site 90 days
Property Tax $16,963/yr Style Colonial
Year Built 2026 Total Sq Ft 20,697
Lot Size 4 acres HOA Fees N/A
Bedrooms 6 Full Bathrooms 12
Total Rooms 16 Half Baths 1

Key Features

Interior
  • Audio System
  • Auto Garage Door Opener
  • Cable - Available
  • Open Floor Plan
  • Security System
Appliances
  • Gas Cooktop
  • Gas Range
  • Microwave
  • Refrigerator
  • Dishwasher
  • Washer
  • Gas Dryer
  • Dryer
  • Wine Chiller
Outdoor
  • Heated
  • Pool House
  • In Ground Pool

Structure & Parking

Construction Frame
Roof Slate
Garage Spaces 4
Garage Type Attached Garage
Below Grade 3,500 sq ft

Systems & Utilities

Heat Hot Air
Fuel Propane
Cooling Central Air
Hot Water Propane, Tankless Hotwater
Water Private Well
Sewer Septic

Schools

Elem Parkway
High Greenwich

Mortgage Calculator

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Est. Monthly Payment —
Principal & Interest —
Est. Property Tax $1,414/mo
Est. Home Insurance —

Estimate only. Contact a lender for accurate figures.

Listing History

Date Event Price
Feb 6, 2026 Listed $18,999,000

Frequently Asked Questions

How much does 528 Round Hill Road in Greenwich, CT cost?
This property is listed at $18,999,000, which works out to $918 per square foot.
How many bedrooms does 528 Round Hill Road have?
This home has 6 bedrooms and 13 bathrooms.
What is the square footage of 528 Round Hill Road?
The home is 20,697 square feet, situated on 4 acres.
When was 528 Round Hill Road in Greenwich built?
This property was built in 2026.
Is 528 Round Hill Road, Greenwich, CT still available?
The current MLS status of this property is "Active". Contact RYZE Realty Group for the latest availability.
What school district is 528 Round Hill Road, Greenwich in?
This home is served by the Greenwich public school system, with Parkway as the elementary school and Greenwich as the high school.
How do I schedule a tour of 528 Round Hill Road, Greenwich, CT?
Contact RYZE Realty Group to schedule a private showing. You can submit a tour request directly on this page or call our office.

Listing Agent

Kathryn Bates · (203) 554-1143

Compass Connecticut, LLC · (203) 423-3100

MLS# 24150732 · Data provided by SmartMLS. Information deemed reliable but not guaranteed.
Listing updated Apr 7, 2026 9:10 PM UTC