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

$2,189,300

Trulia Estimate
  • 4 Beds
  • 3.5 Baths
  • 3,856 sqft (on 0.29 acres)

84 River Rd, Cos Cob, CT 06807

Cos Cob
Est. Refi. Payment $14,344/mo*
Refinance Your Home
Currently Off Market - Sold May 31, 2023 for $1,475,000

Home Value

Trulia Estimate
$2.19M
Since last month
Decreased$36K (-1.6%)
Since last year
Increased$174K (+8.7%)
Since last sale
Increased$698K (+47.3%)
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 +47% in the last 10 years
MonthEstimated value
2026
August 2026$2.17M
July 2026$2.21M
June 2026$2.22M
May 2026$2.19M
April 2026$2.15M
March 2026$2.21M
February 2026$2.09M
January 2026$2.06M
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
33 Mead Ave, Cos Cob, CT
0.29
Single-Family Home
$2,700,000
08/26/26
4
4
3,492
4 Cos Cob Ave, Cos Cob, CT
0.21
Single-Family Home
$1,530,000
08/17/26
4
3
2,720
34 1/2 Orchard St, Cos Cob, CT
0.27
Single-Family Home
$2,022,000
06/22/26
4
2.5
2,126
48 Meyer Pl, Riverside, CT
0.42
Single-Family Home
$1,975,000
03/06/26
5
4
3,260
24 Valley Rd, Cos Cob, CT
0.18
Single-Family Home
$2,400,000
02/25/26
4
4.5
3,221
39 Riverside Ave, Riverside, CT
0.33
Single-Family Home
$1,995,000
10/21/25
5
4.5
2,775
3 Finney Knoll Ln, Riverside, CT
0.33
Single-Family Home
$3,150,000
12/19/25
4
3.5
4,600
23 Thornhill Rd, Riverside, CT
0.51
Single-Family Home
$1,350,000
07/15/26
4
3
2,390
23 Westview Pl, Riverside, CT
0.35
Single-Family Home
$2,250,000
04/03/26
4
3.5
2,641
32 Meyer Pl, Riverside, CT
0.43
Single-Family Home
$2,795,000
05/20/26
5
4.5
4,108

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
89 River Rd #305, Cos Cob, CT 06807
0.05
$1,693,200
2
2
1,230
Off Market
89 River Rd #201, Cos Cob, CT 06807
0.05
$1,745,200
2
2
1,240
Off Market
89 River Rd #303, Cos Cob, CT 06807
0.05
-
2
2
1,184
Off Market
89 River Rd #306, Cos Cob, CT 06807
0.05
$2,071,700
2
2
1,357
Off Market
523 East Putnam Avenue #B, Greenwich, CT 06830
0.04
$2,702,900
3
3.5
3,251
Off Market
523 E Putnam Ave #PENTHOUSE, Cos Cob, CT 06807
0.05
$4,381,300
3
3.5
4,347
Off Market
523 E Putnam Ave #B, Cos Cob, CT 06807
0.05
-
3
3.5
3,251
Off Market
523 East Putnam Avenue #PH, Greenwich, CT 06830
0.06
$5,755,100
3
3.5
4,898
Off Market
78 River Rd #9, Greenwich, CT 06807
0.07
$1,534,200
3
2.5
2,210
Off Market
453 E Putnam Ave #4B, Cos Cob, CT 06807
0.08
$850,000
2
2.5
1,464
Recently Sold
519 E Putnam Avenue, Cos Cob, CT 06807
0.09
$2,094,100
5
3
2,992
Off Market
12 River Ln, Cos Cob, CT 06807
0.10
$2,851,600
4
2.5
2,653
Off Market

Local Information

  • Map ViewExplore the area around 84 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
1987
Lot Size
0.29 acres
Living Area
3,856 sqft
Price/Sqft
$568
Parking
Garage

About this House

Soaring ceilings, large windows and rooms flooded with natural light and views of the Cos Cob Harbor make this contemporary stand out. All rooms have views and many decks and balconies invite you to enjoy living in this great location. Looking for a new buyer to freshen up this potential showstopper. 3856sq ft 4 bedrooms, 3.1 baths. Convenient to train, shopping .
84 River Rd, Cos Cob, CT 06807 is a 4 bedroom, 4 bathroom, 3,856 sqft single-family home in Cos Cob, built in 1987. It last sold for $1,475,000 on May 31, 2023. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $2,189,300, with a rent estimate of $7,956/month.

Home Details for 84 River Rd

Interior Features

Interior Details
BasementNumber of Rooms: 8
Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Fireplace & Spa
Fireplace

Exterior Features

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

Property Information

Year Built
Year Built: 1987Year Updated: 1987
Property Type / Style
Property Type: Single Family HomeArchitecture: Contemporary

Community

Units in Building: 1

Lot Information

Lot Area: 0.29 acres

Price and Tax history

DateEventPrice
May 31, 2023
Source: N/A
Sold
$1,475,000
Jun 23, 2022
Source: William Raveis Real Estate, Mortgage & Insurance
ListingRemoved
May 13, 2022
Source: Greenwich MLS, Inc. #115779
Listed For Sale
$1,650,000

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 84 River Rd

  • What is 84 River Rd estimated to be worth?
    Trulia's estimated value for 84 River Rd in Cos Cob, CT is $2,189,300.
  • What is the price history for 84 River Rd?
    84 River Rd in Cos Cob, CT last sold for $1,475,000 in May 2023.
  • 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 84 River Rd have air conditioning?
    Yes, 84 River Rd in Cos Cob, CT has air conditioning.
  • How big is the lot at 84 River Rd?
    The lot at 84 River Rd in Cos Cob, CT is about 0.29 acres (12,632 sq ft).

Explore by feature - Pet Friendly

36 pet-friendly rentals in Cos Cob, CT

Explore by feature - Garage

58 rentals with a garage in Cos Cob, CT

Explore by feature - Air Conditioning

126 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

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

Explore by feature - Outdoor Space

22 rentals with an outdoor space in Cos Cob, CT

Apartments for Rent

Skip to last item
Skip to first item

Off Market Homes Near 84 River Rd

Skip to last item
Skip to first item

Homes for sale near 84 River Rd

Skip to last item
Skip to first item
Skip to last item
  • Results are loading
Skip to first item