Date
Details
Price
Change
Source
2/06/2026
Listed
$18,999,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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$18,999,000
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Property Description
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.
Full Property Details
Full Property Details for 528 Round Hill Rd
General
- Price: $18,999,000
- Taxes: (July 2025-June 2026)
- Status: Active
- Type: Single Family
- Source: SMARTMLS
- MLS ID: 24150732
- Updated: 2/6/2026
- Added to Site: 9 day(s) ago
Interior
- Number of Rooms: 16
- Interior Features: Audio System, Auto Garage Door Opener, Cable - Available, Open Floor Plan, Security System
- Fireplace: Yes
- Number of Fireplaces: 4
- Appliances: Gas Cooktop, Gas Range, Microwave, Refrigerator, Dishwasher, Washer, Gas Dryer, Dryer, Wine Chiller
Rooms
Bathrooms
- Total Bathrooms: 13
- Full Bathrooms: 12
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 6
- Primary Suite: Cathedral Ceiling, Built-Ins, Dressing Room, Full Bat, Upper
- Bedroom 1: Bedroom - Bedroom Suite, Full Bath, Main
- Bedroom 2: Bedroom - Bedroom Suite, Full Bath, Upper
- Bedroom 3: Bedroom - Bedroom Suite, Full Bath, Upper
- Bedroom 4: Bedroom - Bedroom Suite, Full Bath, Upper
- Bedroom 5: Bedroom - Bedroom Suite, Full Bath, Upper
Other Rooms
- Living Room: Living Room, Main
- Great Room: Great Room, Main
- Family Room: Family Room, Main
- Eat In Kitchen: Eat-In Kitchen, Main
- Dining Room: Dining Room, Main
- Office: Office, Main
- Library: Library - Book Shelves, Main
- Game room: Yes
- Game Room: Rec/Play Room, Lower
- Rec Room: Lower
- Theater/Media: Media Room, Lower
- Laundry: Upper Level
- Other Room 1: Other, Main
Additional Information
- Pool: Yes
- Pool Description: Heated, Pool House, In Ground Pool
Exterior
- Color: White
Parking
- Garage: Yes
- Attached garage: Yes
- Garage Spaces: 4
- Parking: Attached Garage
Location
- County: Fairfield
- Neighborhood: Back Country
- Driving Directions: Merit to Round Hill Road.
School Information
- Elementary School: Parkway
- High School: Greenwich
Community
- Community Name: Back Country
Heating & Cooling
- Cooling Type: Central Air
- Heating Type: Hot Air, Propane
- Heating Fuel: Propane
- Water Heater: Propane, Tankless Hotwater
Utilities
- Sewer: Septic
- Water: Private Well
Structural Information
- Architectural Style: Colonial
- Construction Status: No/Resale
- Exterior Const.: Shingle, Cedar
- Basement Desc.: Full, Fully Finished
- Roof: Slate
- Attic: Yes
- Square Feet: 20,697
- Above Ground: 17,197 Sq. Ft.
- Below Ground: 3,500 Sq. Ft.
- Year Built: 2026
Lot Features
- Lot Size (Acres): 4
- Zoning: RA-4
- Lot Description: Professionally Landscaped
Financial Considerations
- Assessment Amount: $1,408,750
- Tax Year: July 2025-June 2026
Disclosures and Reports
- Property ID: 2842108
Listed by Compass Connecticut, LLC, Kathryn Bates
We Value Your Privacy
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We Value Your Privacy
Listing agent
— 528 Round Hill Rd —
Kathryn Bates
Compass Connecticut, LLC
Agent Contact: (203) 554-1143 Office Contact: (203) 423-3100
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 528 Round Hill Rd
School District:Greenwich School District
| Name | Grades | Distance |
|---|---|---|
Parkway School 141 Lower Cross Road, Greenwich, CT 06831 | K-5 | 0.7 mi |
Western Middle School 1 Western Junior Highway, Greenwich, CT 06830 | 6-8 | 7.1 mi |
Greenwich High School 10 Hillside Road, Greenwich, CT 06830 | 9-12 | 5.9 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 528 Round Hill Rd
Estimate the Cost
Estimate the Cost for 528 Round Hill Rd
Home Warranty : Included
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- Single Family
- Active
- Updated 1 day ago
- 6Beds
- 12Total Baths
- 17,197Sq. Ft.
Listed by Compass Connecticut, LLC
- Single Family
- Active
- 6Beds
- 9Total Baths
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- Single Family
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- Updated 2 days ago
- 4Beds
- 4Total Baths
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- High Rise Apartment
- Active
- Updated 1 day ago
- 2Beds
- 1Total Bath
- 875Sq. Ft.
- Single Family
- Active
- Updated 14 hours ago
- 4Beds
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- 3Beds
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- Single Family
- Closed
- 8Beds
- 17Total Baths
- 26,454Sq. Ft.
Listed by Sotheby's International Realty
Sold by Houlihan Lawrence
Sold by Houlihan Lawrence
- Single Family
- Closed
- 6Beds
- 12Total Baths
- 14,126Sq. Ft.
Listed by Compass Connecticut, LLC and William Raveis Real Estate
Sold by Corcoran Centric Realty LLC
Sold by Corcoran Centric Realty LLC
528 Round Hill Road, Greenwich, CT 06830 (MLS# 24150732) is a Single Family property with 6 bedrooms, 12 full bathrooms and 1 partial bathroom. 528 Round Hill Road is currently listed for $18,999,000 and was received on February 06, 2026. Want to learn more about 528 Round Hill 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.