20 River Rd, Cos Cob, CT 06807
OFF MARKET

20 River Rd
Cos Cob, CT 06807

Cos Cob
  • 4 Beds
  • 3.5 Baths
  • 3,300 sqft

$2,048,900

Trulia Estimate
as of Jun 16, 2026
Est. Refi. Payment $10,461/mo*

$2,048,900

Trulia Estimate
as of Jun 16, 2026
Est. Refi. Payment $10,461/mo*
4 Beds
3.5 Baths
3,300 sqft

Local Information

Map showing home location
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-- mins to
Commute Destination

Description

This single-family home is located at 20 River Rd, Cos Cob, CT. 20 River Rd is in the Cos Cob neighborhood in Cos Cob, CT and in ZIP code 06807. This property has 4 bedrooms, 4 bathrooms and approximately 3,300 sqft of floor space. This property has a lot size of 8276 sqft and was built in 1979.
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources.

Home Highlights

Parking
Garage
Outdoor
Deck
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
Less than a day ago

Home Details for 20 River Rd

Interior Features

Interior Details
BasementAtticNumber of Rooms: 9Types of Rooms: Dining Room, Family Room, Master Bath, Office, Sun RoomCeiling Fan
Heating & Cooling
Heating: Forced Air, GasAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2Floors: Hardwood, Slate
Appliances & Utilities
DishwasherDisposalDryerMicrowaveRefrigeratorWasher
Fireplace & Spa
Fireplace
Windows, Doors, Floors & Walls
Double Paned Windows
Security
Security System

Exterior Features

Exterior Home Features
Roof: AsphaltDeckExterior: ShingleGarden
Parking & Garage
GarageParking Spaces: 2Parking: Garage Attached

Property Information

Year Built
Year Built: 1979Year Updated: 1979
Property Type / Style
Property Type: Single Family HomeArchitecture: Contemporary

Community

Units in Building: 1

Lot Information

Lot Area: 8276 sqft

Building

Community rooms
Fitness Center

Price History for 20 River Rd

DatePriceEventSource
03/24/1999$420,000Sold
N/A
06/28/1995$356,000Sold
N/A

Market trends in Greenwich

Last updated May 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.76M
$257K
MoM
Sale-to-List Price
101.2%
1.0%
MoM
Price per sq ft
$779
$4
MoM
Available listings
183
8
MoM
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Property Tax and Assessment

Year2025
Tax$8,281
Assessment$670,040
Home facts updated by county records

Homeowner tools

Estimated monthly rent$7,829/mo

Homes for rent near 20 River Rd

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Comparable Sales for 20 River Rd

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
0.21
Single-Family Home
$1,100,000
06/30/25
4
4
3,232
0.10
Single-Family Home
$1,125,000
11/20/25
3
2
1,833
0.10
Single-Family Home
$1,125,000
11/21/25
3
2
1,833
0.14
Single-Family Home
$1,000,000
11/18/25
3
2
1,641
0.14
Single-Family Home
$2,000,000
08/15/25
3
3
1,795
0.23
Single-Family Home
$1,885,000
03/20/26
4
3
1,785
0.38
Single-Family Home
$1,999,000
02/24/26
4
2.5
2,540
0.41
Single-Family Home
$2,400,000
02/25/26
4
4.5
3,221
0.43
Single-Family Home
$2,180,000
08/27/25
4
3.5
2,230
0.44
Single-Family Home
$1,420,000
10/24/25
4
2
2,073

Nearby homes

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Assigned Schools

These are the assigned schools for 20 River Rd.
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

Neighborhood Overview

Neighborhood stats provided by third party data sources.

LGBTQ Local Legal Protections

Apartments for Rent

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Homes for sale near 20 River Rd

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Off Market Homes Near 20 River Rd

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20 River Rd, Cos Cob, CT 06807 is a 4 bedroom, 4 bathroom, 3,300 sqft single-family home built in 1979. 20 River Rd is located in Cos Cob, Cos Cob. This property is not currently available for sale. 20 River Rd was last sold on Mar 24, 1999 for $420,000. The current Trulia Estimate for 20 River Rd is $2,048,900.