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

18 River Rd
Cos Cob, CT 06807

Cos Cob
  • 3 Beds
  • 4 Baths
  • 1,584 sqft

$1,325,900

Trulia Estimate
as of Jul 26, 2026
Est. Refi. Payment $8,794/mo*
Refinance Your Home

$1,325,900

Trulia Estimate
as of Jul 26, 2026
Est. Refi. Payment $8,794/mo*
Refinance Your Home
3 Beds
4 Baths
1,584 sqft

Local Information

  • Map ViewExplore the area around 18 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
1979
Living Area
1,584 sqft
Price/Sqft
$837
Parking
Garage

About this House

This single-family home is located at 18 River Rd, Cos Cob, CT. 18 River Rd is in the Cos Cob neighborhood in Cos Cob, CT and in ZIP code 06807. This property has 3 bedrooms, 4 bathrooms and approximately 1,584 sqft of floor space. This property has a lot size of 9148 sqft and was built in 1979.
18 River Rd, Cos Cob, CT 06807 is a 3 bedroom, 4 bathroom, 1,584 sqft single-family home in Cos Cob, built in 1979. It last sold for $725,000 on Jun 3, 2016. It is currently off market. The Trulia Estimate is $1,325,900, with a rent estimate of $7,094/month.

Home Details for 18 River Rd

Interior Features

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

Exterior Features

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

Property Information

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

Lot Information

Lot Area: 9147 sqft

Price History for 18 River Rd

DatePriceEventSource
06/03/2016$725,000Sold
Smart MLS #99144129
11/01/2001$412,500Sold
N/A
11/04/1993$380,000Sold
N/A

Market trends in Greenwich

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$2.1M
$340KMoM
Sale-to-List Price
102.7%
1.5%MoM
Price per sq ft
$801
$22MoM
Available listings
190
7MoM
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Property Tax and Assessment

Year2025
Tax$5,911
Assessment$478,310
Home facts updated by county records

Comparable Sales for 18 River Rd

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
42 Mead Ave, Cos Cob, CT
0.10
Single-Family Home
$1,125,000
11/20/25
3
2
1,833
42 Mead Ave, Greenwich, CT
0.10
Single-Family Home
$1,125,000
11/21/25
3
2
1,833
48 River Rd, Cos Cob, CT
0.14
Single-Family Home
$1,000,000
11/18/25
3
2
1,641
11 Mill Pond Ct, Cos Cob, CT
0.16
Single-Family Home
$2,000,000
08/15/25
3
3
1,795
57 Orchard St, Cos Cob, CT
0.57
Single-Family Home
$1,200,000
07/31/25
3
2.5
1,836
4 Mill Pond Ct, Cos Cob, CT
0.17
Single-Family Home
$1,424,800
02/13/26
3
1
1,416
24 Taylor Dr, Cos Cob, CT
0.36
Single-Family Home
$1,395,000
05/11/26
3
2
1,356
4 Miami Ct, Cos Cob, CT
0.23
Single-Family Home
$1,885,000
03/20/26
4
3
1,785
8 River Ln, Cos Cob, CT
0.27
Single-Family Home
$1,400,000
03/19/26
2
2
1,666
88 Indian Field Rd, Greenwich, CT
0.69
Single-Family Home
$1,200,000
11/07/25
3
3
2,175

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Assigned Schools

These are the assigned schools for 18 River Rd.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

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

Apartments for Rent

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Explore by feature - Pet Friendly

46 pet-friendly rentals in Cos Cob, CT

Explore by feature - Garage

47 rentals with a garage in Cos Cob, CT

Explore by feature - Air Conditioning

124 rentals with air conditioning in Cos Cob, CT

Explore by feature - Pool

21 rentals with a pool in Cos Cob, CT

Explore by feature - Washer/dryer

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

Explore by feature - Outdoor Space

28 rentals with an outdoor space in Cos Cob, CT

Homes for sale near 18 River Rd

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Off Market Homes Near 18 River Rd

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