577 Round Hill Rd

Greenwich, CT 06831

$7,500,000
Last Sold Price
4
Beds
8,188 Sq. Ft.
$916 / Sq. Ft.
8,188
Sq. Ft.
$916
per Sq. Ft.
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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

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.
  1. Listed by Joseph Barbieri • Sotheby's International Realty
    P: (203)-869-4343 C: (203)-940-2025 joseph.barbieri@sothebys.realty

Property Details for 577 Round Hill Road

Section
North Parkway
Design
Carriage House
Pool
Yes
Basement Type
Unfinished
Garage #
3.00
LISTING UPDATED: 01/23/2026 06:23 PM

Property Details for 577 Round Hill Road

StatusClosed
MLS #123534
Days on Market136
Taxes$58,336 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family
Year Built1914
Lot Size6.58 AC / 286,624 SF
CountyFairfield County
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Location

Listing Courtesy of Sotheby's International Realty, Joseph Barbieri

Sold By Houlihan Lawrence, Michele Tesei

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Building Information for 577 Round Hill Road

Stories-Year Built1914Building Size-Lot Size6.58 AC / 286,624 SF

Payment Calculator

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$42,628 per month

30 year fixed, 6.46% Interest

Principal and Interest

$37,766

Property Taxes

$4,861

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Property Information for 577 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: -73.665732
  • 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
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
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, Compass 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 Record2024$58,336 ($4,861 / month)
Home Facts
Beds0Lot Size286,625 SqFtStyleSingle Family ResidenceZoningRA-4CountyFAIRFIELDAPNGREE M:10 B:2806Fireplace TypeHas Fireplace

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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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, 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.