For sale

$8,000,000

640 Round Hill Rd, Greenwich, CT 06831

5beds

3,669sqft

Est.:

Residential, Single Family Residence

Built in 1725

4.01 Acres Lot

$7,756,200 Zestimate^®

$2,180/sqft

$-- HOA

What's special

This is an opportunity to own a piece of Greenwich history. A fully restored antique farmhouse offering approximately 3,669 square feet of refined living space, set on extraordinary level acreage with sweeping meadow views and an irreplaceable country setting across from protected conservation land with direct access to the Greenwich Riding Trails. The residence blends historic authenticity with modern luxury, featuring wide-plank antique floors, exposed beams, preserved fireplaces, and original architectural details. A thoughtful renovation delivers elevated comfort throughout, including a newly created primary suite with cathedral ceilings, floor-to-ceiling windows, a bespoke dressing room, and a private staircase to a serene, light-filled office and library retreat for everyday living

60 days

2,029

76

Tour with a local agent

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 5
Bathrooms: 5
Full bathrooms: 5

Heating

Hot Water, Oil

Cooling

Central Air

Appliances

Laundry: Laundry Room

Features

Kitchen Island, Bookcases, Sep Shower
Basement: Partially Finished
Number of fireplaces: 5

Interior area

Total structure area: 3,669
Total interior livable area: 3,669 sqft

Video & virtual tour

View virtual tour

Property

Parking

Total spaces: 5
Parking features: Garage Door Opener
Garage spaces: 5

Features

Patio & porch: Terrace
Has private pool: Yes

Lot

Size: 4.01 Acres
Features: Level, Meadow

Details

Additional structures: Pool House, Studio
Parcel number: 102034
Zoning: RA-4

Construction

Type & style

Home type: SingleFamily
Property subtype: Residential, Single Family Residence

Materials

Clapboard
Roof: Wood

Condition

Antique
New construction: No
Year built: 1725
Major remodel year: 2006

Utilities & green energy

Sewer: Septic Tank
Water: Well
Utilities for property: Propane

Community & HOA

Location

Region: Greenwich

Financial & listing details

Price per square foot: $2,180/sqft
Tax assessed value: $2,123,170
Annual tax amount: $25,563
Date on market: 2/6/2026
Inclusions: Washer/Dryer, All Kitchen Applncs

Estimated market value

$7,756,200

$7.37M - $8.14M

$19,765/mo

Price history

Date	Event	Price
2/6/2026	Listed for sale	$8,000,000+220%$2,180/sqft
Source: Greenwich MLS, Inc. #124249 Report a problem
4/26/2019	Sold	$2,500,000-12.3%$681/sqft
Source: Greenwich MLS, Inc. #102501 Report a problem
2/5/2019	Price change	$2,850,000-12.3%$777/sqft
Source: David Ogilvy & Associates #102501 Report a problem
3/27/2018	Listed for sale	$3,250,000+8.3%$886/sqft
Source: David Ogilvy & Associates #102501 Report a problem
1/6/2006	Sold	$3,000,000$818/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$25,563 +2.8%	$2,123,170
2024	$24,862 +2.8%	$2,123,170
2023	$24,183 +1%	$2,123,170
2022	$23,949 +19.1%	$2,123,170 +22.3%
2021	$20,116	$1,735,650
2020	$20,116 -1.6%	$1,735,650 -0.8%
2019	$20,440 +2.7%	$1,750,000
2018	$19,898	$1,750,000
2017	$19,898 +8.2%	$1,750,000 +7.3%
2015	$18,388 +2.7%	$1,631,630
2014	$17,899 +2.7%	$1,631,630
2013	$17,426 -2.9%	$1,631,630
2012	$17,948 +8.8%	$1,631,630
2011	$16,496 -17%	$1,631,630 -29.5%
2010	$19,885 +4.7%	$2,314,900 +1.3%
2009	$18,987 +4.4%	$2,284,870 +1%
2008	$18,187 +11.4%	$2,262,120 +7.5%
2007	$16,332	$2,104,690

Find assessor info on the county website

BuyAbility℠ payment

Est. payment

$51,896/mo

Principal & interest

$40629

Property taxes

$11267

More affordability tools

Climate risks

Neighborhood: 06831

Getting around

0 / 100

Car-Dependent

19 / 100

Somewhat Bikeable

Nearby schools

GreatSchools rating

9/10
Parkway School
Grades: K-5Distance: 1.3 mi
7/10
Western Middle School
Grades: 6-8Distance: 8 mi
10/10
Greenwich High School
Grades: 9-12Distance: 6.7 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.

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