550 Round Hill Rd

13,268 Sq. Ft.
$972 / Sq. Ft.
13,268
Sq. Ft.
$972
per Sq. Ft.

Description

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....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.
  1. Listed by Stephen Archino • Sotheby's International Realty
    P: (203)-869-4343 C: (203)-964-7445 steve.archino@sothebys.realty

Property Details for 550 Round Hill Road

Section
North Parkway
Design
Georgian
Pool
Yes
Basement Type
Finished
Garage #
6.00
LISTING UPDATED: 03/30/2026 12:41 PM

Property Details for 550 Round Hill Road

StatusActive
MLS #124589
Days on MarketListed Today
Taxes$89,715 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family
Year Built1998
Lot Size4.09 AC / 178,160 SF
CountyFairfield County

Location

Listing Courtesy of Sotheby's International Realty, Stephen Archino
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Building Information for 550 Round Hill Road

Stories-Year Built1998Building Size-Lot Size4.09 AC / 178,160 SF

Payment Calculator

$70,082 per month

30 year fixed, 6.11% Interest

Principal and Interest

$62,605

Property Taxes

$7,476

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Property Information for 550 Round Hill Road

Summary
Location and General Information
  • Area: 3 - Greenwich
  • Elementary School: Parkway
  • Middle School: Western
  • City: Greenwich
  • MLS Area Major: 3 - Greenwich
  • Longitude: -73.667289
  • Latitude: 41.11
  • Postal Code: 06831
  • County: Fairfield
  • State Or Province: CT
HOA and Fees
  • Parcel Number: 10-2009
  • Association Chg/Yr: $0
  • Taxes: $89,715
Interior and Exterior Features
Interior Features
  • Bathrooms Total Integer: 13
  • Baths Full: 9
  • Baths Half: 4
  • Beds Total: 8
  • Cooling: Yes
  • Heating: Yes
  • Entry Hall Level/FP: 1st: 1
  • Entry Hall Level/FP: 2nd: 1
  • Living Room Level/FP: 1st: 1
  • Living Room Level/FP: FP: 1
  • Dining Room Level/FP: 1st: 1
  • Dining Room Level/FP: FP: 1
  • Library/Den Level/FP: 1st: 1
  • Library/Den Level/FP: 3rd: 1
  • Library/Den Level/FP: FP: 1
  • Family Room Level/FP: 1st: 1
  • Family Room Level/FP: 3rd: 1
  • Family Room Level/FP: LL: 1
  • Family Room Level/FP: FP: 1
  • Powder Room Level/FP: 1st: 2
  • Powder Room Level/FP: 3rd: 1
  • Powder Room Level/FP: LL: 1
  • Kitchen Level/FP: 1st: 1
  • Primary Bdrm Level/FP: 2nd: 1
  • Primary Bdrm Level/FP: FP: 1
  • Primary Bath Level/FP: 2nd: 2
  • Dbl Bdrms Level/FP: 2nd: 5
  • Dbl Bdrms Level/FP: 3rd: 2
  • Dbl Bdrms Level/FP: FP: 2
  • Bath Level/FP: 2nd: 5
  • Bath Level/FP: 3rd: 2
  • Laundry Level/FP: 2nd: 1
  • Laundry Level/FP: LL: 1
  • Other Room Level/FP: 1st: 1
  • Other Room 2 Level/FP: 2nd: 2
  • Other Room 3 Level/FP: 1st: 1
  • Other Room 3 Level/FP: LL: 1
  • Attic: Finished: Yes
  • Bath Ceilings: Extra Height: Yes
  • Dbl Bdrms Ceilings: Extra Height: Yes
  • Dining Room Ceilings: Extra Height: Yes
  • Dining Room Comments: Formal: Yes
  • Entry Hall Ceilings: Double Height: Yes
  • Entry Hall Comments: Front to Back: Yes
  • Family Room Ceilings: Extra Height: Yes
  • Family Room Comments: French Doors: Yes
  • Kitchen Ceilings: Extra Height: Yes
  • Kitchen Comments: Breakfast Room: Yes
  • Laundry Ceilings: Extra Height: Yes
  • Laundry Comments: Separate Room: Yes
  • LibraryDen Ceilings: Extra Height: Yes
  • LibraryDen Comments: Built-Ins: Yes
  • Living Room Ceilings: Extra Height: Yes
  • Living Room Comments: Step Down: Yes
  • Other Room Ceilings: Extra Height: Yes
  • Other Room Comments: Solarium: Yes
  • Other Room Ceilings 2: Extra Height14: Yes
  • Other Room Comments 2: Sitting Room: Yes
  • Other Room Comments 3: Billiard Room: Yes
  • Other Room Ceilings 3: Extra Height: Yes
  • Powder Room Ceilings: Extra Height: Yes
  • Cooling System: Central AC: Yes
  • Heat System: Hydro-Air: Yes
  • Primary Bdrm Ceilings: Extra Height: Yes
  • Primary Bdrm Comments: Primary Bedroom Suite: Yes
  • Primary Bth Ceilings: Extra Height: Yes
  • Primary Bth Comments: Luxury Bath: Yes
  • Cooling System: Central Air
Exterior Features
  • Exterior: Stone: Yes
  • Court: No
  • Exterior: Stone
  • Roof: Slate
  • Pool YN: Yes
  • Features: Balcony
Property
Lot Information
  • Location Property Info: List PriceSqFt: $972.26
  • Location Property Info: Owner: Metropoulos, Marianne E
  • Location Property Info: Zoning: RA-4
  • Location Property Info: # FPs: 8.0
  • Lot Description: Level,Parklike
  • Lot Size Acres: 4.09
  • Lot Size Area: 4.09
  • Lot Size Square Feet: 178160.4
  • Lot Size Units: Acres
  • Lot Description: Level: Yes
  • Lot Description: Parklike: Yes
Property and Assessments
  • General Property Info: Acres -: 4.09
  • General Property Info: Elementary School: Parkway
  • General Property Info: Middle School: Western
  • General Property Info: Pool Description: With Spa
  • General Property Info: Court Description: Possible Site
  • General Property Info: Design Plan: Traditional
  • General Property Info: SqFt Source: Taxcard
  • Assessment: $7,451,430
  • Zoning: RA-4
  • Sanitation Source: Septic Tank
  • SqFt Source: Taxcard
  • Excluded: Call LB: Yes
  • Features: Auto Gate: Yes
  • Features: Back Stairs: Yes
  • Features: Balcony: Yes
  • Features: Double Pane Windows: Yes
  • Features: Security System: Yes
  • Features: Sprinkler System: Yes
  • Features: Terrace: Yes
  • Features: Veranda: Yes
  • Included: All Kitchen Applncs: Yes
  • Included: WasherDryer: Yes
Utilities
  • Gas Source: Propane: Yes
  • Heat Fuel: Oil: Yes
  • Hot Water: Oil: Yes
  • Heat System: Hydro-Air, Oil
  • Water Source: Well
Multi Family
Building Details
  • Public Remarks: 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.
  • Parking Desc: Detached, Attached, Electric Gate

Property History for 550 Round Hill Road

DateEvent & SourcePriceAppreciation
Sep 14, 1998

Closed (Public Record)

Public Record #91003314

$7,750,000—
DateEvent & SourcePrice
09/14/1998

Closed (Public Record)

Public Record #91003314

$7,750,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 550 Round Hill Road

Taxable ValueLand$1,430,520Additions$6,020,910Total$7,451,430
Tax Record2024$89,715 ($7,476 / month)
Home Facts
Beds8Baths11Total Finished SqFt13,268 SqFtAbove Grade Finished SqFt13,268 SqFtUnfinished Basement SqFt4,086 SqFtStories2Lot Size178,160 SqFtStyleSingle Family ResidenceYear Built1998ZoningRA-4CountyFAIRFIELDAPNGREE M:10 B:2009Fireplace TypeHas Fireplace

Schools near 550 Round Hill Road

This home is within Greenwich School District.
Rating
School
Type
Grades
Distance
Public - K to 5
Public - 6 to 8
Public - 9 to 12
Private - PK to 8
Rating
School
Distance
Parkway School
PublicK to 5

Western Middle School
Public6 to 8

Greenwich High School
Public9 to 12

Whitby School
PrivatePK to 8

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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550 Round Hill Road is a single family home for sale in Greenwich, CT 06831. This property was listed for sale on March 30, 2026 by Sotheby's International Realty, it's currently listed at $12,900,000. It has been on the market for a total of 0 days and was last sold on September 14, 1998. This listing's school district is Greenwich School District. Nearby schools include Parkway School, Western Middle School and Greenwich High School. 550 Round Hill Road is a 8-bed, 13-bath, 13,268 sqft single family home built in 1998.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Sotheby's International Realty, Stephen Archino

Based on information from one of the following Multiple Listing Services: Darien MLS, Smart MLS and Greenwich Multiple Listing Service. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Darien MLS, Smart MLS and Greenwich Multiple Listing Service is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.