NOT LISTED FOR SALE

577 Round Hill Rd Greenwich, CT 06831

Back Country Greenwich Neighborhood

Estimated Value: $4,733,000

4 Beds
5.5 Baths
8,188 Sq Ft
$578/Sq Ft Est. Value

Sale Details

Date Sold: January 22, 2026

Last sale price $7,500,000 $916 Per Sq Ft

Est. 37% decrease in value since last sale

Current estimated payment $30,298 / mo

136 Days on Market

Highlights

  • Stables
  • Pool House
  • Carriage House
  • Parkway School Rated A
  • 6.58 Acre Lot
  • 2 Fireplaces

About This Home

As of January 2026

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.

Last Agent to Sell the Property

Joseph Barbieri

Sotheby's International Realty License #RES.0031510 Listed on: 09/05/2025

Sotheby's International Realty

Last Buyer's Agent

Michele Tesei

Houlihan Lawrence License #RES.0797897

Houlihan Lawrence

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $58,336

Year Built

  • Built in 1914 | Remodeled in 1997

Lot Details

  • 6.58 Acre Lot
  • Level Lot
  • Sprinkler System
  • Property is zoned RA-4

Parking

  • 3 Car Detached Garage
  • Automatic Gate

Home Design

  • Carriage House
  • Asphalt Roof
  • Stucco

Interior Spaces

  • 8,188 Sq Ft Home
  • Wet Bar
  • Built-In Features
  • High Ceiling
  • 2 Fireplaces
  • French Doors
  • Mud Room
  • Formal Entry
  • Pull Down Stairs to Attic
  • Home Security System
  • Washer and Dryer
  • Unfinished Basement

Kitchen

  • Eat-In Kitchen
  • Butlers Pantry

Bedrooms and Bathrooms

  • 4 Bedrooms
  • En-Suite Primary Bedroom

Pool

  • Pool House
  • Private Pool

Utilities

  • Forced Air Heating and Cooling System
  • Heating System Uses Oil
  • Power Generator
  • Well
  • Septic Tank

Additional Features

  • Terrace
  • Stables

Listing and Financial Details

  • Assessor Parcel Number 10-2806

Home Details

Home Type

Single Family

Est. Annual Taxes

$58,336

Year Built

Built in 1914 | Remodeled in 1997

Lot Details

6.58 Acres

Parking

3

Listing Details

  • Prop. Type: Residential
  • Year Built: 1914
  • Property Sub Type: Single Family Residence
  • Lot Size Acres: 6.58
  • Inclusions: Washer/Dryer, All Kitchen Applncs
  • Architectural Style: Carriage House
  • Effective Year Built: 1997
  • Lot Description:Rolling: Yes
  • Cooling System:Central AC: Yes
  • Included:WasherDryer: Yes
  • Lot Description:Level: Yes
  • Features:Terrace: Yes
  • Features:Security System2: Yes
  • Features:Sprinkler System: Yes
  • Entry Hall Ceilings:Extra Height: Yes
  • Features:Generator: Yes
  • Features:Auto Gate: Yes
  • Entry Hall Comments:Grand Entrance: Yes
  • Entry Hall LevelFP 1st37: 1
  • Design:Carriage House3: Yes
  • Special Features: None
  • Year Renovated: 1997

Interior Features

  • Other Equipment: Generator
  • Has Basement: Unfinished
  • Full Bathrooms: 5
  • Half Bathrooms: 1
  • Total Bedrooms: 4
  • Fireplaces: 2
  • Fireplace: Yes
  • Interior Amenities: Eat-in Kitchen, Pantry, Wet Bar
  • Living Room LevelFP:FP2: 1
  • Laundry LevelFP:LL52: 1
  • Kitchen Comments:Eat-In Kitchen: Yes
  • Primary Bdrm Comments:Primary Bedroom Suite: Yes
  • Basement Type:Unfinished: Yes
  • Attic:Pull Down: Yes
  • LibraryDen LevelFP:FP4: 2
  • LibraryDen Comments:Built-Ins3: Yes
  • Other Room Comments:Mudroom: Yes
  • Dining Room Comments:French Doors3: Yes
  • Other Room Comments:Butler_squote_s Pantry: Yes
  • Living Room Ceilings:Double Height2: Yes
  • Living Room Comments:Wet Bar: Yes
  • Living Room LevelFP 1st38: 1
  • Dining Room LevelFP 1st39: 1
  • Powder Room LevelFP 1st42: 1
  • Kitchen LevelFP 1st43: 1
  • LibraryDen LevelFP 1st40: 2
  • Primary Bdrm LevelFP 1st44: 1
  • Primary Bath LevelFP 1st45: 2
  • Family Room LevelFP 2nd42: 1

Exterior Features

  • Roof: Asphalt
  • Lot Features: Rolling Slope, Level
  • Pool Private: Yes
  • Exclusions: Call LB
  • Construction Type: Stucco
  • Other Structures: Stable(s), Pool House
  • Patio And Porch Features: Terrace
  • Roof:Asphalt: Yes
  • Exterior:Stucco: Yes
  • Outbuildings:Pool House: Yes
  • Outbuildings:Stable(s): Yes
  • Outbuildings:Cottage wKitchen: Yes

Garage/Parking

  • Attached Garage: No
  • Garage Spaces: 3.0
  • Parking Features: Detached Garage, Electric Gate
  • Parking Description: Detached Garage: Yes

Utilities

  • Water Source: Well
  • Cooling: Central Air
  • Security: Security System
  • Cooling Y N: Yes
  • Heating: Forced Air, Oil
  • Heating Yn: Yes
  • Sewer: Septic Tank
  • Heat System:Forced Air: Yes
  • Heat Fuel:Oil: Yes
  • Water Source:Well: Yes
  • Sanitation Source:Septic Tank: Yes

Schools

  • Elementary School: Parkway
  • Middle Or Junior School: Western

Lot Info

  • Zoning: RA-4
  • Lot Size Sq Ft: 286624.8
  • Parcel #: 10-2806

Tax Info

  • Tax Annual Amount: 58336.0
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
01/22/2026 01/22/26 Sold $7,500,000 -5.1% $916 / Sq Ft
01/19/2026 01/19/26 Pending -- -- --
09/05/2025 09/05/25 For Sale $7,900,000 -- $965 / Sq Ft
Source: Greenwich Association of REALTORS®

Agents Affiliated with this Home

  • J

    Seller's Agent in 2026

    Joseph Barbieri

    Sotheby's International Realty

    (203) 940-2025

    14 in this area

    93 Total Sales

    Joseph Barbieri
    Section Image
  • Michele Tesei

    Buyer's Agent in 2026

    Michele Tesei

    Houlihan Lawrence

    (203) 536-3352

    3 in this area

    50 Total Sales

    Michele Tesei
    Section Image
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Map

Source: Greenwich Association of REALTORS®

MLS Number: 123534

Greenwich Association of REALTORS®

APN: GREE M:10 B:2806

Connecticut Fairfield County Greenwich 06831 Back Country Greenwich

577 Round Hill Rd, Greenwich, CT

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Greenwich Association of REALTORS® Listing data courtesy of Greenwich MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to
identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS.

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