Off Market1705d on market
665 River Rd
Cos Cob, CT, 06807 • 06807 • Fairfield County
$4,747,400
$805/sqft
6Beds
5Baths
5,894Sqft
3.4 acLot
1999Built
Property DNA
Park Views
Park
Contemporary Style
Built 1999 · 27 years of history
Market activity
Demand and pricing signals for this listing
32 views
People checking out this listing
1705 days on market
Established listing
$805/sqft
Price per square foot
About this home
Single Family · Built 1999
This chic modern home was designed with soaring ceilings and walls of windows for a seamless connection to the private three+ acre retreat. Clean lines, sleek custom cabinetry, natural materials and thoughtful architectural details, plus an open floor plan of connected spaces provides flexibility for everyday family living and entertaining. A wall of custom folding doors open from the gourmet kitchen & dining area to the outdoor terraces. The primary suite includes a private balcony, plus 5 additional bedrooms and 4.1 baths. Lush landscaping surround pool & spa, tennis court, nature trails and a serene pond w/waterfall. NEW roof, HVAC & driveway all in 2021. National Blue Ribbon awarded North Mianus Elementary School. Close to Greenwich shopping, restaurants & beaches.MOTIVATED SELLERS
Estimated monthly payment
Based on current rates
$30,963/month
Principal & Interest$24,633
Property Tax$4,747
Insurance$1,582
Down payment20% ($949,480)
3%50%
Est. 6.75% rate · 30yr fixed · $3,797,920 loan
Full calculator →At a glance
Key facts and listing details
TypeSingleFamily
Year Built1999
HeatingForced air
CoolingCentral
Parking2 Parking spaces
Lot3.36 Acres
Property
Home typeSingle Family
StyleContemporary
Year built1999
Systems
HeatingForced air
CoolingCentral
RoofAsphalt
ConstructionFrame
Water / SewerWell
Parking & Outdoor
ParkingGarage - Attached
BasementUnfinished
Lot3.36 Acres
Location & Tax
Neighborhood06807
ZoningRA-1
Annual tax$31,267
ParcelGREEM12B1547S
Bathrooms & Fees
Full baths4
Features & details
6 categories of property features
Interior Features
Heating
Forced air
Cooling
Central
Exterior Features
Exterior
Stucco
Brick
Parking
Garage - Attached
Construction
Frame
Views
Park
Listing insights
Market data and value estimates
StatusOff Market
Days on market1705
Est. value$4,747,400
Est. rent$23,500/mo
Tax rate1.69%
Price/sqft$805
Last sold$3,535,000
Tour days6
Views32
How are the schools in Cos Cob?
3 schools rated nearby
Location
Cos Cob, CT, 06807
Price history
9 events
DateEventPrice$/sqftSource
Aug 13, 2021Sold$3,535,000$600Smart MLS
Jul 14, 2021Pending Sale$3,595,000$610Berkshire Hathaway HomeServices New England Properties
Jun 14, 2021Contingent$3,595,000$610Greenwich MLS, Inc.
Jun 2, 2021Price Change$3,595,000$610Greenwich MLS, Inc.
May 7, 2021Listed For Sale$3,825,000$649Greenwich MLS, Inc.
Dec 18, 2020Listing Removed$4,199,000$712Berkshire Hathaway HomeServices New England Properties
Oct 2, 2020Listed For Sale$4,199,000$712Berkshire Hathaway N.E. Properties
Jun 5, 2020Sold$30,000$5Agent Provided
May 22, 1998Sold$800,000$136Public Record
Sold$3,535,000
Aug 13, 2021•$600/sqft•Smart MLS
Pending Sale$3,595,000
Jul 14, 2021•$610/sqft•Berkshire Hathaway HomeServices New England Properties
Contingent$3,595,000
Jun 14, 2021•$610/sqft•Greenwich MLS, Inc.
Price Change$3,595,000
Jun 2, 2021•$610/sqft•Greenwich MLS, Inc.
Listed For Sale$3,825,000
May 7, 2021•$649/sqft•Greenwich MLS, Inc.
Listing Removed$4,199,000
Dec 18, 2020•$712/sqft•Berkshire Hathaway HomeServices New England Properties
Listed For Sale$4,199,000
Oct 2, 2020•$712/sqft•Berkshire Hathaway N.E. Properties
Sold$30,000
Jun 5, 2020•$5/sqft•Agent Provided
Sold$800,000
May 22, 1998•$136/sqft•Public Record
Tax history
10 years of records
YearTax paidAssessed value
Apr 15, 2025$31,267$2,529,870
Apr 15, 2024$30,197$2,529,870
Apr 15, 2023$29,438$2,529,870
Apr 15, 2022$29,169$2,529,870
Apr 15, 2021$27,456$2,280,390
Apr 15, 2020$27,410$2,280,390
Apr 15, 2019$27,684$2,280,390
Apr 15, 2018$27,068$2,280,390
Apr 15, 2017$27,408$2,280,390
Apr 15, 2016$26,975$2,280,390
Nearby homes
Neighborhood details
Local context around this listing
Cos Cob, CT • Fairfield County
Nearby neighborhoods
ByramCos CobGlenvilleIndian FieldOld GreenwichPemberwickRiversideRock Ridge
Nearby cities
BridgeportDanburyFairfieldGreenwichNewtownNorwalkSheltonStamford
Nearby zip codes
06807068300683106832068360687006878
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