3 River Ln, Cos Cob, CT 06807
OFF MARKET

$1,476,600

Trulia Estimate
  • 4 Beds
  • 3 Baths
  • 2,034 sqft

3 River Ln, Cos Cob, CT 06807

Cos Cob
Est. Refi. Payment $10,078/mo*
Refinance Your Home
Currently Off Market - Sold Apr 13, 1995 for $335,000

Home Value

Trulia Estimate
$1.48M
Since last month
Increased$14K (+1%)
Since last year
Increased$163K (+12.5%)
Since last sale
Increased$1M (+339.1%)
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 +72% in the last 10 years
MonthEstimated value
2026
September 2026$1.47M
August 2026$1.46M
July 2026$1.46M
June 2026$1.47M
May 2026$1.46M
April 2026$1.41M
March 2026$1.43M
February 2026$1.36M
January 2026$1.35M
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
4 Miami Ct, Cos Cob, CT
0.11
Single-Family Home
$1,885,000
03/20/26
4
3
1,785
4 Cos Cob Ave, Cos Cob, CT
0.23
Single-Family Home
$1,530,000
08/17/26
4
3
2,720
42 Mead Ave, Greenwich, CT
0.14
Single-Family Home
$1,125,000
11/21/25
3
2
1,833
42 Mead Ave, Cos Cob, CT
0.14
Single-Family Home
$1,125,000
11/20/25
3
2
1,833
48 River Rd, Cos Cob, CT
0.10
Single-Family Home
$1,000,000
11/18/25
3
2
1,641
34 1/2 Orchard St, Cos Cob, CT
0.24
Single-Family Home
$2,022,000
06/22/26
4
2.5
2,126
55 Cos Cob Ave, Cos Cob, CT
0.42
Single-Family Home
$910,000
04/13/26
3
2.5
2,486
16 Kent Pl, Cos Cob, CT
0.44
Single-Family Home
$1,690,000
05/15/26
4
2.5
2,410
8 River Ln, Cos Cob, CT
0.03
Single-Family Home
$1,400,000
03/19/26
2
2
1,666
15 Ridge Rd, Cos Cob, CT
0.40
Single-Family Home
$1,420,000
10/24/25
4
2
2,073

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
7 River Rd #C-8, Cos Cob, CT 06807
0.02
$99,000
Studio
-
-
For Sale
7 River Ln, Cos Cob, CT 06807
0.02
$2,045,800
3
2
1,198
Off Market
12 River Ln, Cos Cob, CT 06807
0.05
$2,928,600
4
2.5
2,653
Off Market
2 River Ln, Cos Cob, CT 06807
0.05
$1,293,900
3
2
1,613
Off Market
78 River Rd #9, Greenwich, CT 06807
0.08
$1,546,300
3
2.5
2,210
Off Market
24 Robertson Ln, Cos Cob, CT 06807
0.03
$1,699,000
3
3
2,105
Off Market
453 East Putnam Avenue #4B, Greenwich, CT 06830
0.09
$850,000
2
2.5
1,464
Recently Sold
6 Robertson Lane #4, Cos Cob, CT 06807
0.07
$1,223,200
3
2.5
2,094
Off Market
453 E Putnam Ave #1E, Cos Cob, CT 06807
0.10
$1,190,500
2
2.5
1,464
Off Market
453 E Putnam Ave #1M, Cos Cob, CT 06807
0.10
$898,400
2
2.5
1,464
Off Market
453 E Putnam Ave #3I, Cos Cob, CT 06807
0.10
$994,300
2
2.5
1,464
Off Market
6 Robertson Ln #7, Greenwich, CT 06807
0.07
$1,001,700
2
2.5
1,700
Off Market

Local Information

  • Map ViewExplore the area around 3 River Ln.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1939
2,034 sqft
$726/sqft
Garage

About this House

This single-family home is located at 3 River Ln, Cos Cob, CT. 3 River Ln is in the Cos Cob neighborhood in Cos Cob, CT and in ZIP code 06807. This property has 4 bedrooms, 3 bathrooms and approximately 2,034 sqft of floor space. This property has a lot size of 6534 sqft and was built in 1939.
3 River Ln, Cos Cob, CT 06807 is a 4 bedroom, 3 bathroom, 2,034 sqft single-family home in Cos Cob, built in 1939. It last sold for $335,000 on Apr 13, 1995. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,476,600, with a rent estimate of $6,204/month.

Home Details for 3 River Ln

Interior Features

Interior Details
BasementNumber of Rooms: 7
Heating & Cooling
Heating: Forced AirAir ConditioningHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2
Fireplace & Spa
Fireplace

Exterior Features

Exterior Home Features
Roof: AsphaltExterior: Wood
Parking & Garage
GarageParking: Garage Attached

Property Information

Year Built
Year Built: 1939Year Updated: 1950
Property Type / Style
Property Type: Single Family HomeArchitecture: Conventional

Community

Units in Building: 1

Lot Information

Lot Area: 6534 sqft

Price and Tax history

DateEventPrice
Apr 13, 1995
Source: N/A
Sold
$335,000

Market trends in Greenwich

Last updated August 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$2.58M
$150KMoM
Sale-to-List Price
104.8%
1.0%MoM
Price per sq ft
$825
$1MoM
Available listings
152
30MoM

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 3 River Ln

  • What is 3 River Ln estimated to be worth?
    Trulia's estimated value for 3 River Ln in Cos Cob, CT is $1,476,600.
  • What is the price history for 3 River Ln?
    3 River Ln in Cos Cob, CT last sold for $335,000 in April 1995.
  • 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 $2.58M. That is up $150K from the prior month.
  • How big is the lot at 3 River Ln?
    The lot at 3 River Ln in Cos Cob, CT is about 0.15 acres (6,534 sq ft).
  • Does 3 River Ln have a garage?
    Yes, 3 River Ln in Cos Cob, CT has a garage.

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Apartments for Rent

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Off Market Homes Near 3 River Ln

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