577 Round Hill Road

Closed 1/22/26
Closed 1/22/26
AERIAL LINES
AERIAL
DRIVEWAY
TENNIS COURT
MAIN HOUSE
FRONT DOOR
FOYER
GREAT ROOM
GREAT ROOM
KITCHEN
BREAKFAST ROOM
DINING ROOM
PRIMARY SUITE
PRIMARY SUITE
BACKYARD
BACKYARD
BACKYARD
GUEST HOUSE
POOL
POOL
POOL CABANA
BARN
GATED DRIVEWAY
AERIAL VIEW
Sold
Last Sold Price
$7,500,000
4 beds8,188 sqft$916/sqft
577 Round Hill Rd, Greenwich, CT 06831
Single FamilyProperty Type
6.58 acresLot Size
1914Year Built
$916/sq ftPrice per sq ft
3 carsParking Spaces

Description

Set on 6.58 elevated acres on prestigious Round Hill Rd, this distinguished property—once part of the 200+ acre Wilshire Farms estate—offers a rare opportunity to own a piece of local history. A dramatic, gated quarter-mile driveway past white split-rail fencing leads to a 1910 carriage house. The property includes a 4-bedroom guest cottage, a detached 3-car garage, 3-stall stables, a pool with cabana, and a tennis court. Unique opportunity to own exceptional country retreat and a part of Greenwich...Set on 6.58 elevated acres on prestigious Round Hill Rd, this distinguished property—once part of the 200+ acre Wilshire Farms estate—offers a rare opportunity to own a piece of local history. A dramatic, gated quarter-mile driveway past white split-rail fencing leads to a 1910 carriage house. The property includes a 4-bedroom guest cottage, a detached 3-car garage, 3-stall stables, a pool with cabana, and a tennis court. Unique opportunity to own exceptional country retreat and a part of Greenwich history.
  • Listed by: Joseph Barbieri 203.869.4343 joseph.barbieri@sothebys.realty • Sotheby's International Realty
Listing closed: 01/22/2026 12:00 AM • Source: GMLS, MLS#: 123534

Recent comparable sales

Median sold price

$6,100,000

Avg days on market

110

Sale-to-list ratio

89.3%

Greenwich, CT

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Location

Listing Courtesy of Sotheby's International Realty, Joseph Barbieri

Sold By Houlihan Lawrence, Michele Tesei

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$43,618 per month

30 year fixed, 6.71% Interest

Principal and Interest

$38,756

Property Taxes

$4,861

HOA Dues

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Property Information for 577 Round Hill Road

Property Details
  • Taxes: $58,336 / year
  • MLS Type: Residential / Single Family
  • County: Fairfield County
  • Section: North Parkway
  • Design: Carriage House
  • Pool: Yes
  • Basement Type: Unfinished
  • Garage #: 3.00
Building Information
  • Year Built: 1914
  • Lot Size: 6.58 AC / 286,624 SF
Summary
Location and General Information
  • Area: 3 - Greenwich
  • Elementary School: Parkway
  • Middle School: Western
  • City: Greenwich
  • MLS Area Major: 3 - Greenwich
  • Longitude: -73.665732
  • Latitude: 41.12
  • Postal Code: 06830
  • County: Fairfield
  • State Or Province: CT
HOA and Fees
  • Parcel Number: 10-2806
  • Association Chg/Yr: $0
  • Taxes: $58,336
Interior and Exterior Features
Interior Features
  • Bathrooms Total Integer: 6
  • Baths Full: 5
  • Baths Half: 1
  • Beds Total: 4
  • Cooling: Yes
  • Heating: Yes
  • Entry Hall Level/FP: 1st: 1
  • Living Room Level/FP: 1st: 1
  • Living Room Level/FP: FP: 1
  • Dining Room Level/FP: 1st: 1
  • Library/Den Level/FP: 1st: 2
  • Library/Den Level/FP: FP: 2
  • Family Room Level/FP: 2nd: 1
  • Powder Room Level/FP: 1st: 1
  • Kitchen Level/FP: 1st: 1
  • Primary Bdrm Level/FP: 1st: 1
  • Primary Bath Level/FP: 1st: 2
  • Dbl Bdrms Level/FP: 2nd: 3
  • Bath Level/FP: 2nd: 3
  • Laundry Level/FP: LL: 1
  • Attic: Pull Down: Yes
  • Dining Room Comments: French Doors: Yes
  • Entry Hall Ceilings: Extra Height: Yes
  • Entry Hall Comments: Grand Entrance: Yes
  • Kitchen Comments: Eat-In Kitchen: Yes
  • Kitchen Comments: Pantry: Yes
  • LibraryDen Comments: Built-Ins: Yes
  • Living Room Ceilings: Double Height: Yes
  • Living Room Comments: Wet Bar: Yes
  • Other Room Comments: Butler's Pantry: Yes
  • Other Room Comments: Mudroom: Yes
  • Cooling System: Central AC: Yes
  • Heat System: Forced Air: Yes
  • Primary Bdrm Comments: Primary Bedroom Suite: Yes
  • Cooling System: Central Air
Exterior Features
  • Exterior: Stucco: Yes
  • Court: Yes
  • Exterior: Stucco
  • Roof: Asphalt
  • Pool YN: Yes
Property
Lot Information
  • Location Property Info: SPOLP: $.95
  • Location Property Info: List PriceSqFt: $964.83
  • Location Property Info: Owner: Rajaratnam, Raj & Asha
  • Location Property Info: Zoning: RA-4
  • Location Property Info: # FPs: 2.0
  • Lot Description: Rolling Slope,Level
  • Lot Size Acres: 6.58
  • Lot Size Area: 6.58
  • Lot Size Square Feet: 286624.8
  • Lot Size Units: Acres
  • Lot Description: Level: Yes
  • Lot Description: Rolling: Yes
Property and Assessments
  • General Property Info: Acres -: 6.58
  • General Property Info: Year Renovations: 1997.0
  • General Property Info: Elementary School: Parkway
  • General Property Info: Middle School: Western
  • General Property Info: Pool Description: Heated
  • General Property Info: Court Description: Tennis Court
  • General Property Info: Design Plan: Open Plan
  • General Property Info: SqFt Source: Taxcard
  • Assessment: $4,845,190
  • Year Renovations: 1997
  • Zoning: RA-4
  • Sanitation Source: Septic Tank
  • SqFt Source: Taxcard
  • Outbuildings: Stable(s), Pool House
  • Excluded: Call LB: Yes
  • Features: Auto Gate: Yes
  • Features: Generator: Yes
  • Features: Security System: Yes
  • Features: Sprinkler System: Yes
  • Features: Terrace: Yes
  • Included: All Kitchen Applncs: Yes
  • Included: WasherDryer: Yes
Utilities
  • Heat Fuel: Oil: Yes
  • Heat System: Forced Air, Oil
  • Water Source: Well
Multi Family
Building Details
  • Public Remarks: Set on 6.58 elevated acres on prestigious Round Hill Rd, this distinguished property—once part of the 200+ acre Wilshire Farms estate—offers a rare opportunity to own a piece of local history. A dramatic, gated quarter-mile driveway past white split-rail fencing leads to a 1910 carriage house. The property includes a 4-bedroom guest cottage, a detached 3-car garage, 3-stall stables, a pool with cabana, and a tennis court. Unique opportunity to own exceptional country retreat and a part of Greenwich history.
  • Parking Desc: Detached Garage, Electric Gate

Property History for 577 Round Hill Road

DateEvent & SourcePriceAppreciation
Jan 20, 2026

Closed (Public Record)

Public Record #1926942829

$7,500,000—
May 26, 2000

Closed (Public Record)

Public Record #91000130

$7,500,000

+9.6% / yr

Mar 11, 1994

Closed (Public Record)

Public Record #91007749

$4,250,000—
DateEvent & SourcePrice
01/20/2026

Closed (Public Record)

Public Record #1926942829

$7,500,000
05/26/2000

Closed (Public Record)

Public Record #91000130

$7,500,000

+9.6% / yr

03/11/1994

Closed (Public Record)

Public Record #91007749

$4,250,000

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

Public Records for 577 Round Hill Road

Taxable ValueLand$1,824,130Additions$3,021,060Total$4,845,190
Tax Record2025$58,336 ($4,861 / month)
Home Facts
Beds0Lot Size286,625 SqFtStyleSingle Family ResidenceZoningRA-4CountyWESTERN CONNECTICUTAPNGREE M:10 B:2806

Schools near 577 Round Hill Road

This home is within Greenwich School District.
Rating
School
Type
Grades
Distance
Parkway School
Public - K to 5
Western Middle School
Public - 6 to 8
Greenwich High School
Public - 9 to 12
Whitby School
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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Nearby home values

AddressSold priceBedsBathsSqftLot (Sqft)
This home: 577 Round Hill Road, Greenwich, CT 06831
$7,500,000
4
8,188
286,624
38 Aiken Road, Greenwich, CT 06831
$11,500,000
4
6,755
193,406
40 Aiken Road, Greenwich, CT 06831
$1,190,000
–
–
–
213,444
40 Aiken Road, Greenwich, CT 06831
$1,190,000
–
–
–
213,444
39 Aiken Road, Greenwich, CT 06831
$6,400,000
4
6,836
174,240
37 Aiken Road, Greenwich, CT 06831
$1,487,500
–
–
–
174,240

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Listing Courtesy of Sotheby's International Realty, Joseph Barbieri

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.