Off Market10926d on market

664 River Rd

Cos Cob, CT, 06807 • 06807 • Fairfield County

$2,642,000

$620/sqft

4Beds

5Baths

4,258Sqft

0.5 acLot

1997Built

Property DNA

4 highlights

Waterfront Property

Direct water access

Water Views

Water

Colonial Style

Built 1997 · 29 years of history

Hardwood Floors

Quality flooring throughout

Market activity

Demand and pricing signals for this listing

4 views

People checking out this listing

10926 days on market

Established listing

$620/sqft

Price per square foot

About this home

Single Family · Built 1997

This 4258 square foot single family home has 4 bedrooms and 5.0 bathrooms. This home is located at 664 River Rd, Cos Cob, CT 06807.

Estimated monthly payment

Based on current rates

$17,231/month

Principal & Interest$13,709

Property Tax$2,642

Insurance$881

Down payment20% ($528,400)

3%50%

Est. 6.75% rate · 30yr fixed · $2,113,600 loan

Full calculator →

At a glance

Key facts and listing details

TypeSingleFamily

Year Built1997

HeatingForced air, Oil

CoolingCentral

Parking5 Parking spaces

Lot0.50 Acres

Property

Home typeSingle Family

StyleColonial

Year built1997

Systems

HeatingForced air, Oil

CoolingCentral

RoofAsphalt

ConstructionFrame

Parking & Outdoor

ParkingGarage - Attached

BasementFinished

Lot0.50 Acres

Location & Tax

Neighborhood06807

Annual tax$14,861

ParcelGREEM12B1562S

Bathrooms & Fees

Full baths3

Features & details

8 categories of property features

Interior Features

Appliances

Dishwasher

Dryer

Freezer

Garbage disposal

Microwave

Range / Oven

Refrigerator

Washer

Flooring

Hardwood

Heating

Forced air

Oil

Cooling

Central

Exterior Features

Exterior

Wood

Parking

Garage - Attached

Construction

Frame

Views

Water

Room details

11 rooms detailed

Walk In Closet

Breakfast Nook

Dining Room

Family Room

Laundry Room

Master Bath

Listing insights

Market data and value estimates

StatusOff Market

Days on market10926

Est. value$2,642,000

Est. rent$7,638/mo

Tax rate1.69%

Price/sqft$620

Last sold$175,000

Tour days6

How are the schools in Cos Cob?

3 schools rated nearby

North Mianus School

Elementary • Public • K-5

0.8 mi

Eastern Middle School

Middle • Public • 6-8

2.4 mi

Greenwich High School

High • Public • 9-12

2.7 mi

Location

Cos Cob, CT, 06807

Expand map

Price history

1 event

DateEventPrice$/sqftSource

May 15, 1996Sold$175,000$41Agent Provided

Sold$175,000

May 15, 1996•$41/sqft•Agent Provided

Tax history

25 years of records

YearTax paidAssessed value

Apr 15, 2025$14,861$1,202,460

Apr 15, 2024$14,353$1,202,460

Apr 15, 2023$13,992$1,202,460

Apr 15, 2022$13,864$1,202,460

Apr 15, 2021$13,313$1,105,720

Apr 15, 2020$13,291$1,105,720

Apr 15, 2019$13,423$1,105,720

Apr 15, 2018$13,125$1,105,720

Apr 15, 2017$13,290$1,105,720

Apr 15, 2015$10,351$872,550

Apr 15, 2014$10,143$872,550

Apr 15, 2013$9,869$872,550

Apr 15, 2012$9,598$872,550

Apr 15, 2011$9,284$872,550

Apr 15, 2010$10,272$1,136,310

Apr 15, 2009$9,931$1,136,310

Apr 15, 2008$9,590$1,136,310

Apr 15, 2007$9,261$1,136,310

Apr 15, 2006$8,920$1,136,310

Apr 15, 2005$8,274$684,390

Apr 15, 2004$7,610$684,390

Apr 15, 2003$7,357$684,390

Apr 15, 2001$7,037$376,320

Apr 15, 2000$6,661$376,320

Apr 15, 1999$6,981$376,320

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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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Value estimates

Live

Est. value$2,642,000

Est. rent$7,638/mo

Affordability$17,588/mo

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