159 Valley Rd, Cos Cob, CT 06807
OFF MARKET

$3,668,100

Trulia Estimate
  • 3 Beds
  • 2 Baths
  • 2,464 sqft (on 1.52 acres)

159 Valley Rd, Cos Cob, CT 06807

Cos Cob
Est. Refi. Payment $24,138/mo*
Refinance Your Home

Home Value

Trulia Estimate
$3.67M
Since last month
Increased$190K (+5.5%)
Since last year
Increased$711K (+24%)
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 +118% in the last 10 years
MonthEstimated value
2026
August 2026$3.67M
August 2026$3.67M
July 2026$3.48M
June 2026$3.49M
May 2026$3.47M
April 2026$3.32M
March 2026$3.28M
February 2026$3.18M
January 2026$3.07M
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
51 Dandy Dr, Cos Cob, CT
0.28
Single-Family Home
$3,330,000
08/20/26
4
3
3,543
185 Valley Rd, Cos Cob, CT
0.12
Single-Family Home
$3,000,000
07/07/26
4
4
3,569
11 Pond Pl, Cos Cob, CT
0.23
Single-Family Home
$1,975,000
10/17/25
4
2
2,329
14 Pond Pl, Cos Cob, CT
0.25
Single-Family Home
$3,000,000
07/23/26
4
2.5
2,618
28 Long Meadow Rd, Riverside, CT
0.29
Single-Family Home
$1,650,000
07/31/26
3
2
1,308
23 Thornhill Rd, Riverside, CT
0.34
Single-Family Home
$1,350,000
07/15/26
4
3
2,390
86 Dandy Dr, Cos Cob, CT
0.46
Single-Family Home
$1,850,000
07/21/26
4
3.5
3,546
23 Silver Beech Rd, Riverside, CT
0.50
Single-Family Home
$1,660,000
12/15/25
4
2
2,511
9 Boyd Lane, Riverside, CT
0.22
Single-Family Home
$2,125,000
11/06/25
4
3.5
3,304
74 Long Meadow Rd, Riverside, CT
0.14
Single-Family Home
$3,710,000
06/24/26
5
4.5
4,302

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
154 Valley Rd, Cos Cob, CT 06807
0.07
$2,850,000
3
3.5
3,647
For Sale
152 Valley Rd, Cos Cob, CT 06807
0.07
$1,518,700
4
3
2,100
Off Market
16 Dandy Dr, Cos Cob, CT 06807
0.12
$2,267,700
4
4
5,943
Off Market
185 Valley Rd, Cos Cob, CT 06807
0.12
$3,000,000
4
4
3,569
Recently Sold
74 Long Meadow Rd, Riverside, CT 06878
0.14
$3,710,000
5
4.5
4,302
Recently Sold
28 Dandy Dr, Cos Cob, CT 06807
0.17
$2,448,800
3
2
2,001
Off Market
10 Lakeview Dr, Riverside, CT 06878
0.18
$4,282,600
5
6.5
5,800
Off Market
11 Dandy Dr, Cos Cob, CT 06807
0.17
$3,133,100
5
5.5
4,500
Off Market
19 Lakeview Drive, Riverside, CT 06878
0.18
$1,800,000
-
-
-
Recently Sold
110 Sheephill Rd, Riverside, CT 06878
0.18
$5,500,000
6
6.5
6,364
Recently Sold
13 Lia Fail Way, Cos Cob, CT 06807
0.23
$3,250,000
4
7
6,268
For Sale
112 Sheephill Rd, Riverside, CT 06878
0.20
$4,350,000
6
7.5
6,447
Recently Sold

Local Information

  • Map ViewExplore the area around 159 Valley Rd.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1929
1.52 acre lot
2,464 sqft
$1,489/sqft
Garage

About this House

This single-family home is located at 159 Valley Rd, Cos Cob, CT. 159 Valley Rd is in the Cos Cob neighborhood in Cos Cob, CT and in ZIP code 06807. This property has 3 bedrooms, 2 bathrooms and approximately 2,464 sqft of floor space. This property has a lot size of 1.52 acres and was built in 1929.
159 Valley Rd, Cos Cob, CT 06807 is a 3 bedroom, 2 bathroom, 2,464 sqft single-family home in Cos Cob, built in 1929. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $3,668,100, with a rent estimate of $5,985/month.

Home Details for 159 Valley Rd

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
Pool
Pool
Parking & Garage
GarageParking: Garage Attached

Property Information

Year Built
Year Built: 1929Year Updated: 1960
Property Type / Style
Property Type: Single Family HomeArchitecture: Colonial

Community

Units in Building: 1

Lot Information

Lot Area: 1.52 acres

Price and Tax history

YearProperty taxTax assessment
2025
$16,422
$1,328,740
Home facts updated by county records

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 159 Valley Rd

  • What is 159 Valley Rd estimated to be worth?
    Trulia's estimated value for 159 Valley Rd in Cos Cob, CT is $3,668,100.
  • 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.
  • What are the closest schools to 159 Valley Rd?
    The closest schools to 159 Valley Rd in Cos Cob, CT are Central Middle School (rated 8/10), Cos Cob School (Pre-K/Elementary, rated 6/10), Greenwich High School (rated 10/10).
  • Does 159 Valley Rd have a pool?
    Yes, 159 Valley Rd in Cos Cob, CT has a pool.
  • How big is the lot at 159 Valley Rd?
    The lot at 159 Valley Rd in Cos Cob, CT is about 1.5 acres.

Explore by feature - Pet Friendly

34 pet-friendly rentals in Cos Cob, CT

Explore by feature - Garage

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Explore by feature - Air Conditioning

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Explore by feature - Pool

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Explore by feature - Washer/dryer

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Explore by feature - Outdoor Space

18 rentals with an outdoor space in Cos Cob, CT

Apartments for Rent

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Off Market Homes Near 159 Valley Rd

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