17 Thomas St, Cos Cob, CT 06807
OFF MARKET

$1,255,600

Trulia Estimate
  • 6 Beds
  • 2 Baths
  • 2,540 sqft

17 Thomas St, Cos Cob, CT 06807

Cos Cob
Est. Refi. Payment $8,358/mo*
Refinance Your Home

Home Value

Trulia Estimate
$1.26M
Since last month
Increased$12K (+0.9%)
Since last year
Increased$100K (+8.6%)
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
August 2026$1.26M
August 2026$1.25M
July 2026$1.24M
June 2026$1.27M
May 2026$1.25M
April 2026$1.24M
March 2026$1.28M
February 2026$1.23M
January 2026$1.22M
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
34 Orchard St, Cos Cob, CT
0.30
Multi-Family Home
$2,022,000
06/22/26
6
2
3,168
11 Bible Street, Cos Cob, CT
0.22
Multi-Family Home
$1,275,000
05/15/26
4
2
2,432
13 Field Rd, Cos Cob, CT
0.72
Multi-Family Home
$1,450,000
07/10/26
2
2
1,662
67 Cos Cob Ave, Cos Cob, CT
0.13
Multi-Family Home
$1,300,000
01/05/26
-
2,629
38 Catoona Lane, Stamford, CT
1.50
Multi-Family Home
$725,000
09/15/25
5
3
2,732
72 Alvord Ln, Stamford, CT
1.57
Multi-Family Home
$1,100,000
06/18/26
6
3
3,392
64 Le Grande Ave, Greenwich, CT
1.77
Multi-Family Home
$1,385,000
06/05/26
6
2
2,077
336 West Avenue, Stamford, CT
1.78
Multi-Family Home
$770,000
09/02/26
4
2
2,428
10 Harvard Avenue, Stamford, CT
1.71
Multi-Family Home
$560,000
06/05/26
4
2
1,638
6 Depinedo Avenue, Stamford, CT
1.80
Multi-Family Home
$795,000
10/09/25
4
2
1,969

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
24 Decatur St #2, Cos Cob, CT 06807
0.04
$850,000
2
2.5
1,643
Recently Sold
56 Harold Street #A, Cos Cob, CT 06807
0.04
$1,401,400
4
3
1,500
Off Market
98 Valley Rd #12, Cos Cob, CT 06807
0.08
$960,000
3
1.5
1,240
Recently Sold
98 Valley Rd #4, Cos Cob, CT 06807
0.08
$706,600
2
1
1,156
Off Market
98 Valley Rd #10, Greenwich, CT 06807
0.08
$682,300
2
1
948
Off Market
49 Harold St #1, Cos Cob, CT 06807
0.05
$869,500
2
3
1,428
For Sale
49 Harold St, Cos Cob, CT 06807
0.06
$1,739,000
4
6
2,856
For Sale
49 Harold St #2, Cos Cob, CT 06807
0.06
$869,500
2
3
1,428
For Sale
102 Valley Rd #23, Cos Cob, CT 06807
0.09
$666,500
2
1.5
1,000
Off Market
14 Rippowam Road #3B, Greenwich, CT 06807
0.04
$1,164,700
3
2.5
1,875
Off Market
14 Rippowam Road #2A, Greenwich, CT 06807
0.04
$1,168,000
3
2.5
1,875
Off Market
14 Rippowam Road #2B, Greenwich, CT 06807
0.04
$1,168,100
3
2.5
1,875
Off Market

Local Information

  • Map ViewExplore the area around 17 Thomas St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Multi-Family
Built in 1935
2,540 sqft
$494/sqft
Garage

About this House

This multi-family home is located at 17 Thomas St, Cos Cob, CT. 17 Thomas St is in the Cos Cob neighborhood in Cos Cob, CT and in ZIP code 06807. This property has 6 bedrooms, 2 bathrooms and approximately 2,540 sqft of floor space. This property has a lot size of 6098 sqft and was built in 1935.
17 Thomas St, Cos Cob, CT 06807 is a 6 bedroom, 2 bathroom, 2,540 sqft multi-family in Cos Cob, built in 1935. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,255,600, with a rent estimate of $4,471/month.

Home Details for 17 Thomas St

Interior Features

Interior Details
BasementAtticNumber of Rooms: 10
Heating & Cooling
Heating: Forced AirHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2

Exterior Features

Exterior Home Features
Roof: AsphaltExterior: Stucco, Brick
Parking & Garage
GarageParking: Garage Detached

Property Information

Year Built
Year Built: 1935Year Updated: 1950
Property Type / Style
Property Type: Multi Family

Community

Units in Building: 2

Lot Information

Lot Area: 6098 sqft

Price and Tax history

YearProperty taxTax assessment
2025
$7,689
$622,160
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 17 Thomas St

  • What is 17 Thomas St estimated to be worth?
    Trulia's estimated value for 17 Thomas St in Cos Cob, CT is $1,255,600.
  • 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 17 Thomas St?
    The closest schools to 17 Thomas St 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).

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Apartments for Rent

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