91 Valley Rd, Cos Cob, CT 06807
OFF MARKET

$1,601,500

Trulia Estimate
  • 6 Beds
  • 3 Baths
  • 3,370 sqft (on 0.25 acres)

91 Valley Rd, Cos Cob, CT 06807

Cos Cob
Est. Refi. Payment $11,096/mo*
Refinance Your Home

Home Value

Trulia Estimate
$1.6M
Since last month
Increased$2K (+0.1%)
Since last year
Increased$118K (+8%)
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 +51% in the last 10 years
MonthEstimated value
2026
September 2026$1.59M
August 2026$1.59M
July 2026$1.58M
June 2026$1.58M
May 2026$1.58M
April 2026$1.53M
March 2026$1.59M
February 2026$1.54M
January 2026$1.49M
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
11 Bible Street, Cos Cob, CT
0.33
Multi-Family Home
$1,275,000
05/15/26
4
2
2,432
13 Field Rd, Cos Cob, CT
0.82
Multi-Family Home
$1,450,000
07/10/26
2
2
1,662
72 Alvord Ln, Stamford, CT
1.44
Multi-Family Home
$1,100,000
06/18/26
6
3
3,392
67 Cos Cob Ave, Cos Cob, CT
0.26
Multi-Family Home
$1,300,000
01/05/26
-
2,629
32-36-40 Roosevelt Avenue, Stamford, CT
1.87
Multi-Family Home
$1,350,000
11/21/25
8
4
3,664
6 Depinedo Avenue, Stamford, CT
1.67
Multi-Family Home
$795,000
10/09/25
4
2
1,969
336 West Avenue, Stamford, CT
1.64
Multi-Family Home
$770,000
09/02/26
4
2
2,428
10 Harvard Avenue, Stamford, CT
1.58
Multi-Family Home
$560,000
06/05/26
4
2
1,638
206 Milbank Ave, Greenwich, CT
2.08
Multi-Family Home
$2,650,000
08/17/26
6
4
4,086
45 Taylor St, Stamford, CT
2.13
Multi-Family Home
$985,000
06/10/26
6
3
3,024

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
102 Valley Rd #23, Cos Cob, CT 06807
0.05
$666,500
2
1.5
1,000
Off Market
98 Valley Rd #10, Greenwich, CT 06807
0.05
$684,100
2
1
948
Off Market
98 Valley Rd #12, Cos Cob, CT 06807
0.05
$960,000
3
1.5
1,240
Recently Sold
98 Valley Rd #4, Cos Cob, CT 06807
0.05
$712,300
2
1
1,156
Off Market
98 Valley Rd, Cos Cob, CT 06807
0.07
$913,600
2
1
1,204
Off Market
24 Decatur St #2, Cos Cob, CT 06807
0.12
$850,000
2
2.5
1,643
Recently Sold
36 Cary Rd, Riverside, CT 06878
0.11
$1,979,500
4
4
2,400
Off Market
38 Cary Rd, Riverside, CT 06878
0.11
$2,060,600
3
3
2,276
Off Market
28 Cary Rd, Riverside, CT 06878
0.11
$2,687,700
4
3.5
3,700
Off Market
49 Harold St #2, Cos Cob, CT 06807
0.13
$869,500
2
3
1,428
For Sale
56 Harold Street #A, Cos Cob, CT 06807
0.13
$1,432,700
4
3
1,500
Off Market
43 Harold St #B, Cos Cob, CT 06807
0.14
$1,185,900
3
3.5
1,958
Off Market

Local Information

  • Map ViewExplore the area around 91 Valley Rd.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Multi-Family
Built in 1920
0.25 acre lot
3,370 sqft
$475/sqft
Garage

About this House

This multi-family home is located at 91 Valley Rd, Cos Cob, CT. 91 Valley Rd is in the Cos Cob neighborhood in Cos Cob, CT and in ZIP code 06807. This property has 6 bedrooms, 3 bathrooms and approximately 3,370 sqft of floor space. This property has a lot size of 10890 sqft and was built in 1920.
91 Valley Rd, Cos Cob, CT 06807 is a 6 bedroom, 3 bathroom, 3,370 sqft multi-family in Cos Cob, built in 1920. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,601,500, with a rent estimate of $4,359/month.

Home Details for 91 Valley Rd

Interior Features

Interior Details
BasementAtticNumber of Rooms: 14
Heating & Cooling
Heating: Forced AirHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2

Exterior Features

Exterior Home Features
Roof: AsphaltExterior: Other
Parking & Garage
GarageParking: Garage Detached

Property Information

Year Built
Year Built: 1920Year Updated: 1965
Property Type / Style
Property Type: Multi FamilyArchitecture: Other

Community

Units in Building: 3

Lot Information

Lot Area: 10890 sqft

Price and Tax history

YearProperty taxTax assessment
2025
$8,576
$693,910
Home facts updated by county records

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 91 Valley Rd

  • What is 91 Valley Rd estimated to be worth?
    Trulia's estimated value for 91 Valley Rd in Cos Cob, CT is $1,601,500.
  • 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.
  • What are the closest schools to 91 Valley Rd?
    The closest schools to 91 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).

Explore by feature - Pet Friendly

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Explore by feature - Garage

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Explore by feature - Pool

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Explore by feature - Outdoor Space

22 rentals with an outdoor space in Cos Cob, CT

Apartments for Rent

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Off Market Homes Near 91 Valley Rd

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