For Sale73d on marketHistoric · 301 yrs
640 Round Hill Rd
Greenwich, CT, 06831 • 06831 • Fairfield County
$8,000,000
$2180/sqft
Down payment assistance available
5Beds
5Baths
3,669Sqft
4 acLot
1725Built
Property DNA
Character Home
Built 1725 · 301 years of history
Outdoor Living
Terrace
5 Fireplaces
Cozy heat source
Special Features
Pool House · Studio
Private Pool
Resort-style living
5-Car Garage
Garage Door Opener
This home is getting attention
Listed 73 days ago · 1,785 views · 65 saves
Market activity
Demand and pricing signals for this listing
1,785 views
People checking out this listing
65 saves
Buyers have saved this home
73 days on market
Established listing
$2,180/sqft
Price per square foot
About this home
Single Family · Built 1725 · Historic
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
Estimated monthly payment
Based on current rates
$52,177/month
Principal & Interest$41,510
Property Tax$8,000
Insurance$2,667
Down payment20% ($1,600,000)
3%50%
Est. 6.75% rate · 30yr fixed · $6,400,000 loan
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At a glance
Key facts and listing details
TypeResidential, Single Family Residence
Year Built1725
HeatingHot Water, Oil
CoolingCentral Air
Parking5 Garage spaces
Lot4.01 Acres
Days on Zillow73 Days
Price/sqft$2,180
Property
Home typeSingle Family
Sub-typeResidential, Single Family Residence
ConditionAntique
Year built1725
Systems
HeatingHot Water, Oil
CoolingCentral Air
RoofWood
ConstructionClapboard
Water / SewerWell / Septic Tank
Parking & Outdoor
ParkingGarage Door Opener
Garage5 spaces
BasementPartially Finished
Fireplaces5
Lot4.01 Acres
Location & Tax
Neighborhood06831
ZoningRA-4
Annual tax$25,563
ParcelGREEM10B2034
Bathrooms & Fees
Full baths5
Features & details
10 categories of property features
Interior Features
Interior
Kitchen Island
Bookcases
Sep Shower
Heating
Hot Water
Oil
Cooling
Central Air
Laundry
Laundry Room
Exterior Features
Parking
Garage Door Opener
Construction
Clapboard
Patio & Porch
Terrace
Lot Features
Level
Meadow
Utilities
Propane
Other Structures
Pool House
Studio
Listing insights
Market data and value estimates
StatusFor Sale
Days on market73
Est. value$7,762,500
Est. rent$19,765/mo
Tax rate1.69%
Price/sqft$2180
On marketFeb 6, 2026
PostedJan 31, 2026
Last sold$2,500,000
MLS updatedFeb 6, 2026
Tour days9
Views1,785
Favorites65
How are the schools in Greenwich?
3 schools rated nearby
Location
Greenwich, CT, 06831
Price history
5 events
DateEventPrice$/sqftSource
Feb 6, 2026Listed For Sale$8,000,000$2,180Greenwich MLS, Inc.
Apr 26, 2019Sold$2,500,000$681Greenwich MLS, Inc.
Feb 5, 2019Price Change$2,850,000$777David Ogilvy & Associates
Mar 27, 2018Listed For Sale$3,250,000$886David Ogilvy & Associates
Jan 6, 2006Sold$3,000,000$818Public Record
Listed For Sale$8,000,000
Feb 6, 2026•$2,180/sqft•Greenwich MLS, Inc.
Sold$2,500,000
Apr 26, 2019•$681/sqft•Greenwich MLS, Inc.
Price Change$2,850,000
Feb 5, 2019•$777/sqft•David Ogilvy & Associates
Listed For Sale$3,250,000
Mar 27, 2018•$886/sqft•David Ogilvy & Associates
Sold$3,000,000
Jan 6, 2006•$818/sqft•Public Record
Tax history
18 years of records
YearTax paidAssessed value
Apr 15, 2025$25,563$2,123,170
Apr 15, 2024$24,862$2,123,170
Apr 15, 2023$24,183$2,123,170
Apr 15, 2022$23,949$2,123,170
Apr 15, 2021$20,116$1,735,650
Apr 15, 2020$20,116$1,735,650
Apr 15, 2019$20,440$1,750,000
Apr 15, 2018$19,898$1,750,000
Apr 15, 2017$19,898$1,750,000
Apr 15, 2015$18,388$1,631,630
Apr 15, 2014$17,899$1,631,630
Apr 15, 2013$17,426$1,631,630
Apr 15, 2012$17,948$1,631,630
Apr 15, 2011$16,496$1,631,630
Apr 15, 2010$19,885$2,314,900
Apr 15, 2009$18,987$2,284,870
Apr 15, 2008$18,187$2,262,120
Apr 15, 2007$16,332$2,104,690
Nearby homes
Neighborhood details
Local context around this listing
Greenwich, CT • Fairfield County
Nearby neighborhoods
ByramCos CobGlenvilleIndian FieldOld GreenwichPemberwickRiversideRock Ridge
Nearby cities
BridgeportDanburyFairfieldGreenwichNewtownNorwalkSheltonStamford
Nearby zip codes
06807068300683106832068360687006878
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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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