46 River Rd, Cos Cob, CT 06807
Property image
Property image
OFF MARKET

46 River Rd
Cos Cob, CT 06807

Cos Cob
  • 5 Beds
  • 2 Baths
  • 2,555 sqft

$1,529,300

Trulia Estimate
as of Aug 22, 2026
Est. Refi. Payment $10,051/mo*
Refinance Your Home

$1,529,300

Trulia Estimate
as of Aug 22, 2026
Est. Refi. Payment $10,051/mo*
Refinance Your Home
5 Beds
2 Baths
2,555 sqft

Home Value

Trulia Estimate
$1.53M
Since last month
Increased$19K (+1.2%)
Since last year
Increased$175K (+12.9%)
Since last sale
Increased$830K (+119.1%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +81% in the last 10 years
MonthEstimated value
2026
August 2026$1.53M
July 2026$1.51M
June 2026$1.54M
May 2026$1.52M
April 2026$1.5M
March 2026$1.51M
February 2026$1.43M
January 2026$1.39M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
42 Mead Ave, Greenwich, CT
0.03
Single-Family Home
$1,125,000
11/21/25
3
2
1,833
42 Mead Ave, Cos Cob, CT
0.03
Single-Family Home
$1,125,000
11/20/25
3
2
1,833
48 River Rd, Cos Cob, CT
0.01
Single-Family Home
$1,000,000
11/18/25
3
2
1,641
15 Ridge Rd, Cos Cob, CT
0.42
Single-Family Home
$1,420,000
10/24/25
4
2
2,073
50 Valleywood Road, Greenwich, CT
0.52
Single-Family Home
$1,150,000
07/07/26
4
2
1,954
50 Valleywood Rd, Cos Cob, CT
0.52
Single-Family Home
$1,150,000
07/07/26
4
2
1,954
4 Cos Cob Ave, Cos Cob, CT
0.34
Single-Family Home
$1,530,000
08/17/26
4
3
2,720
34 1/2 Orchard St, Cos Cob, CT
0.34
Single-Family Home
$2,022,000
06/22/26
4
2.5
2,126
4 Miami Ct, Cos Cob, CT
0.14
Single-Family Home
$1,885,000
03/20/26
4
3
1,785
34 Ridge Rd, Cos Cob, CT
0.47
Single-Family Home
$1,645,000
07/01/26
3
2
2,344

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
42 Mead Ave, Cos Cob, CT 06807
0.03
$1,125,000
3
2
1,833
Recently Sold
24 Robertson Ln, Cos Cob, CT 06807
0.09
$1,707,000
3
3
2,105
Off Market
2 River Ln, Cos Cob, CT 06807
0.12
$1,278,000
3
2
1,613
Off Market
10A Relay Pl, Cos Cob, CT 06807
0.14
$1,531,900
4
2
2,049
Off Market
10A Relay Place, Cos Cob, CT 06807
0.14
$1,508,000
4
2
2,049
Off Market
7 River Rd #C-8, Cos Cob, CT 06807
0.13
$99,000
Studio
-
-
For Sale
7 River Ln, Cos Cob, CT 06807
0.14
$1,996,200
3
2
1,198
Off Market
4 Miami Ct, Cos Cob, CT 06807
0.14
$1,885,000
4
3
1,785
Recently Sold
6 Robertson Ln #7, Greenwich, CT 06807
0.15
$991,100
2
2.5
1,700
Off Market
3 Relay Ct, Cos Cob, CT 06807
0.16
$775,000
2
1
941
Recently Sold
6 Robertson Lane #4, Cos Cob, CT 06807
0.15
$1,232,400
3
2.5
2,094
Off Market
1 Relay Ct, Cos Cob, CT 06807
0.17
$1,146,400
3
2
1,113
Off Market

Local Information

  • Map ViewExplore the area around 46 River Rd.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1949
Living Area
2,555 sqft
Price/Sqft
$599
Parking
Garage

About this House

On Mianus River Cos Cob Harbor in front of New Greenwich Water Club and Marina. Lge LR w Fireplace, Hardwood Floors throughout, built-ins, Picture Window, 1st Flr BD with panoramic windows. Full Bath. Updated kitchen, new appliances (Viking range and hood), new countertops, brkfast rm w French slider to amazing Mahogany Wood deck hosting a brand new outdoor fireplace perfect for entertaining, new ceiling fixtures, skylight. Dr w new French sliders to aforementioned deck; FamRm & office w carpet. On 2nd floor: 3 bedrooms , full bath, laundry, main bedroom. Exterior with front rock gardens, rear wrap around new wood deck w fireplace, 1 1/2 car detach garage.
46 River Rd, Cos Cob, CT 06807 is a 5 bedroom, 2 bathroom, 2,555 sqft single-family home in Cos Cob, built in 1949. It last sold for $697,000 on Jul 30, 2010. It is currently off market. The Trulia Estimate is $1,529,300, with a rent estimate of $7,244/month.

Home Details for 46 River Rd

Interior Features

Interior Details
BasementAtticNumber of Rooms: 9Types of Rooms: Breakfast Nook, Dining Room, Family Room, Laundry Room, Library, Office, Pantry, Recreation Room, Workshop, Sun RoomWet Bar
Heating & Cooling
Heating: Baseboard, GasAir ConditioningCooling System: WallHeating Fuel: Baseboard
Levels, Entrance, & Accessibility
Stories: 2Floors: Hardwood
Appliances & Utilities
Cable ReadyDishwasherDisposalDryerMicrowaveRefrigeratorWasher
Fireplace & Spa
FireplaceJetted Bath Tub
Windows, Doors, Floors & Walls
Double Paned Windows

Exterior Features

Exterior Home Features
Roof: AsphaltDeckExterior: VinylGardenLawnSprinkler System
Parking & Garage
GarageParking Spaces: 5Parking: Garage Detached, Off Street

Property Information

Year Built
Year Built: 1949Year Updated: 2019
Property Type / Style
Property Type: Single Family HomeArchitecture: Cape Cod

Community

Units in Building: 1

Lot Information

Lot Area: 9583 sqft

Price and Tax history

DateEventPrice
Jul 30, 2010
Source: N/A
Sold
$697,000
May 2, 2010
Source: Agent Provided
PriceChange
$810,000
Price decreased by 6%
Feb 20, 2010
Source: Agent Provided
Listed For Sale
$859,000
Jun 12, 2009
Source: Agent Provided
ListingRemoved
$1,095,000
Apr 19, 2009
Source: Agent Provided
Listed For Sale
$1,095,000

Market trends in Greenwich

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$2.44M
$338KMoM
Sale-to-List Price
103.8%
1.1%MoM
Price per sq ft
$825
$24MoM
Available listings
182
8MoM

Around this home

Neighborhood Overview

Cos Cob
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Cos Cob

At least 1 Trulia users voted on each feature.

  • 100 % Say neighbors are friendly

  • 100 % Say there are community events

  • 100 % Say there's holiday spirit

  • 100 % Say it's walkable to grocery stores

  • 100 % Say it's walkable to restaurants

  • 100 % Say parking is easy

  • 100 % Say car is needed

  • 100 % Say streets are well-lit

  • 100 % Say it's dog friendly

Sourced by Trulia users. Learn more about our methodology.

LGBTQ Local Legal Protections

Frequently asked questions about 46 River Rd

  • What is 46 River Rd estimated to be worth?
    Trulia's estimated value for 46 River Rd in Cos Cob, CT is $1,529,300.
  • What is the price history for 46 River Rd?
    46 River Rd in Cos Cob, CT last sold for $697,000 in July 2010.
  • Is Cos Cob a buyer's or seller's market?
    Cos Cob is currently a seller's market, based on recent for-sale activity.
  • What's the median sale price in Cos Cob?
    The median sale price in Cos Cob is $2.44M. That is up $338K from the prior month.
  • Does 46 River Rd have air conditioning?
    Yes, 46 River Rd in Cos Cob, CT has air conditioning.
  • Does 46 River Rd have laundry facilities?
    Yes, 46 River Rd in Cos Cob, CT has in-unit laundry.

Explore by feature - Pet Friendly

40 pet-friendly rentals in Cos Cob, CT

Explore by feature - Garage

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Explore by feature - Air Conditioning

136 rentals with air conditioning in Cos Cob, CT

Explore by feature - Pool

16 rentals with a pool in Cos Cob, CT

Explore by feature - Washer/dryer

118 rentals with a washer/dryer in Cos Cob, CT

Explore by feature - Outdoor Space

24 rentals with an outdoor space in Cos Cob, CT

Apartments for Rent

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