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.
Sold for $7,500,000
$7,500,000
577 Round Hill Rd, Greenwich, CT 06831
4beds
8,188sqft
Residential, Single Family Residence
Built in 1914
6.58 Acres Lot
$7,488,000 Zestimate®
$916/sqft
$6,831 Estimated rent
Home value
$7,488,000
$7.11M - $7.86M
$6,831/mo
Zestimate® history
Owner options
List your home for rent
$6,831/mo
Rent Zestimate®
Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.
$6,831/mo
Rent Zestimate®
Refinance and save
$42,270/mo
Est. payment
Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.
$42,270/mo
Est. payment
Explore your selling options
Work with a Zillow partner agent
Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.
Get startedList with your own agent
Get your home in front of millions of buyers by listing it on Zillow.
Learn how to do itSell it yourself
Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).
List your homeWhat's special
Tennis courtPool with cabanaElevated acresDramatic gated quarter-mile drivewayWhite split-rail fencing
Zillow last checked:
Listing updated:
Listed by:
Joseph Barbieri 203-940-2025,
Sotheby's International Realty
Bought with:
Michele Tesei, RES.0797897
Houlihan Lawrence
Source: Greenwich MLS, Inc.,MLS#: 123534
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 6
- Full bathrooms: 5
- 1/2 bathrooms: 1
Heating
- Forced Air, Oil
Cooling
- Central Air
Features
- Eat-in Kitchen, Pantry, Wet Bar
- Basement: Unfinished
- Number of fireplaces: 2
Interior area
- Total structure area: 8,188
- Total interior livable area: 8,188 sqft
Property
Parking
- Total spaces: 3
- Parking features: Electric Gate
- Garage spaces: 3
Features
- Patio & porch: Terrace
- Has private pool: Yes
Lot
- Size: 6.58 Acres
- Features: Level
Details
- Additional structures: Stable(s), Pool House
- Parcel number: 102806
- Zoning: RA-4
- Other equipment: Generator
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Carriage House
- Property subtype: Residential, Single Family Residence
Materials
- Stucco
- Roof: Asphalt
Condition
- Year built: 1914
- Major remodel year: 1997
Utilities & green energy
- Sewer: Septic Tank
- Water: Well
Community & HOA
Community
- Security: Security System
Location
- Region: Greenwich
Financial & listing details
- Price per square foot: $916/sqft
- Tax assessed value: $4,845,190
- Annual tax amount: $58,336
- Date on market: 9/5/2025
- Inclusions: Washer/Dryer, All Kitchen Applncs
Price history
| Date | Event | Price |
|---|---|---|
| 1/22/2026 | Sold | $7,500,000-5.1%$916/sqft |
Source:  Greenwich MLS, Inc. #123534 Report a problem | ||
| 1/21/2026 | Pending sale | $7,900,000$965/sqft |
Source: Greenwich MLS, Inc. #123534 Report a problem | ||
| 11/12/2025 | Contingent | $7,900,000$965/sqft |
Source: Greenwich MLS, Inc. #123534 Report a problem | ||
| 9/5/2025 | Listed for sale | $7,900,000+5.3%$965/sqft |
Source: Greenwich MLS, Inc. #123534 Report a problem | ||
| 5/24/2000 | Sold | $7,500,000+76.5%$916/sqft |
Source:  Smart MLS #98064613 Report a problem | ||
| 3/11/1994 | Sold | $4,250,000$519/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $58,336 +2.8% | $4,845,190 |
| 2024 | $56,737 +2.8% | $4,845,190 |
| 2023 | $55,187 +1% | $4,845,190 |
| 2022 | $54,654 -0.8% | $4,845,190 +2% |
| 2021 | $55,071 | $4,751,600 |
| 2020 | $55,071 -0.8% | $4,751,600 |
| 2019 | $55,499 +4.5% | $4,751,600 +1.8% |
| 2018 | $53,090 | $4,669,280 |
| 2017 | $53,090 +3.9% | $4,669,280 +3% |
| 2015 | $51,078 +2.7% | $4,532,220 |
| 2014 | $49,718 +2.7% | $4,532,220 |
| 2013 | $48,404 -2.9% | $4,532,220 |
| 2012 | $49,854 +8.8% | $4,532,220 |
| 2011 | $45,821 -0.5% | $4,532,220 -15.5% |
| 2010 | $46,051 +3.4% | $5,360,950 |
| 2009 | $44,549 +4.1% | $5,360,950 +0.7% |
| 2008 | $42,784 +3.6% | $5,321,400 |
| 2007 | $41,294 +3.5% | $5,321,400 |
| 2006 | $39,911 -8.4% | $5,321,400 +40.5% |
| 2005 | $43,580 +4.7% | $3,786,300 +1.1% |
| 2004 | $41,627 +3.4% | $3,743,460 |
| 2003 | $40,242 -7.7% | $3,743,460 +60.6% |
| 2001 | $43,594 +5.7% | $2,331,210 |
| 2000 | $41,262 -4.6% | $2,331,210 |
| 1999 | $43,244 | $2,331,210 |
Find assessor info on the county website
Neighborhood: 06831
Nearby homes
- $11,500,0004 bd5 ba6.7k sqft38 Aiken Rd, Greenwich, CT 06831Sold
- $11,378,5006 bd7 ba10k sqft42 Aiken Rd, Greenwich, CT 06831Off Market
- $4,023,3904 Acres37 Aiken Road, Greenwich, CT 06830Off Market
- $5,840,1005 bd7 ba7.2k sqft22 Aiken Rd, Greenwich, CT 06831Off Market
- $11,500,000-- bd-- ba-- sqft39 Aiken Rd, Greenwich, CT 06831Sold
- $6,400,0004 bd5 ba6.8k sqft39 Aiken Rd, Greenwich, CT 06831Sold
- $7,715,0005 bd8 ba7k sqft575 Round Hill Rd, Greenwich, CT 06831Off Market
- $7,930,7005 bd6 ba7.6k sqft595 Round Hill Rd, Greenwich, CT 06831Off Market
Nearby schools
GreatSchools rating
- 10/10Parkway SchoolGrades: K-5Distance: 0.9 mi
- 8/10Western Middle SchoolGrades: 6-8Distance: 7.6 mi
- 10/10Greenwich High SchoolGrades: 9-12Distance: 6.2 mi
Schools provided by the listing agent
- Elementary: Parkway
- Middle: Western
Source: Greenwich MLS, Inc.. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
Sell for more on Zillow
Get a Zillow Showcase℠ listing at no additional cost and you could sell for .
$7,488,000
2% more
+$149K
With Zillow Showcase(estimated)
$7,637,760
- Connecticut
- Fairfield County
- Greenwich
- 06831
- 577 Round Hill Rd
Nearby cities
Nearby neighborhoods
Nearby zip codes
Other Greenwich Topics
