257 E Putnam Ave, Cos Cob, CT 06830
OFF MARKET

257 E Putnam Ave
Cos Cob, CT 06830

Cos Cob
  • 2 Beds
  • 1 Bath
  • 946 sqft

$2,681,300

Trulia Estimate
as of Aug 22, 2026
Est. Refi. Payment $17,565/mo*
Refinance Your Home

$2,681,300

Trulia Estimate
as of Aug 22, 2026
Est. Refi. Payment $17,565/mo*
Refinance Your Home
2 Beds
1 Bath
946 sqft

Home Value

Trulia Estimate
$2.68M
Since last month
Increased$164K (+6.5%)
Since last year
Increased$485K (+21.9%)
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 +53% in the last 10 years
MonthEstimated value
2026
August 2026$2.7M
July 2026$2.54M
June 2026$2.65M
May 2026$2.67M
April 2026$2.59M
March 2026$2.6M
February 2026$2.63M
January 2026$2.5M
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
13 Field Rd, Cos Cob, CT
0.28
Multi-Family Home
$1,450,000
07/10/26
2
2
1,662
34 Orchard St, Cos Cob, CT
0.22
Multi-Family Home
$2,022,000
06/22/26
6
2
3,168
11 Bible Street, Cos Cob, CT
0.29
Multi-Family Home
$1,275,000
05/15/26
4
2
2,432
67 Cos Cob Ave, Cos Cob, CT
0.50
Multi-Family Home
$1,300,000
01/05/26
-
2,629
64 Le Grande Ave, Greenwich, CT
1.31
Multi-Family Home
$1,385,000
06/05/26
6
2
2,077
43 Cos Cob Ave, Cos Cob, CT
0.39
Multi-Family Home
$1,575,000
08/28/25
-
3,344
206 Milbank Ave, Greenwich, CT
1.53
Multi-Family Home
$2,650,000
08/17/26
6
4
4,086
10 Harvard Avenue, Stamford, CT
2.05
Multi-Family Home
$560,000
06/05/26
4
2
1,638
6 Depinedo Avenue, Stamford, CT
2.17
Multi-Family Home
$795,000
10/09/25
4
2
1,969
38 Catoona Lane, Stamford, CT
1.90
Multi-Family Home
$725,000
09/15/25
5
3
2,732

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
4 Miami Ct, Cos Cob, CT 06807
0.05
$1,885,000
4
3
1,785
Recently Sold
6 Robertson Ln #7, Greenwich, CT 06807
0.09
$991,100
2
2.5
1,700
Off Market
3 Relay Ct, Cos Cob, CT 06807
0.06
$775,000
2
1
941
Recently Sold
10A Relay Place, Cos Cob, CT 06807
0.06
$1,508,000
4
2
2,049
Off Market
10A Relay Pl, Cos Cob, CT 06807
0.06
$1,498,100
4
2
2,049
Off Market
6 Robertson Lane #4, Cos Cob, CT 06807
0.10
$1,232,400
3
2.5
2,094
Off Market
1 Relay Ct, Cos Cob, CT 06807
0.06
$1,146,400
3
2
1,113
Off Market
24 Robertson Ln, Cos Cob, CT 06807
0.13
$1,707,000
3
3
2,105
Off Market
7 River Ln, Cos Cob, CT 06807
0.15
$1,938,900
3
2
1,198
Off Market
7 River Rd #C-8, Cos Cob, CT 06807
0.15
$99,000
Studio
-
-
For Sale
453 E Putnam Ave #1L, Cos Cob, CT 06807
0.17
$1,014,100
2
2.5
1,464
Off Market
18 Suburban Ave, Cos Cob, CT 06807
0.14
-
3
2
1,563
Off Market

Local Information

  • Map ViewExplore the area around 257 E Putnam Ave.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Multi-Family
Year Built
1917
Living Area
946 sqft
Price/Sqft
$2,834
Parking
Garage

About this House

Walk to all Cos Cob has to offer. This bright and spacious, 2 Bedroom, 1 bath apartment features hardwood floors, kitchen with new Appliances, washer/dryer, Central A/C, basement for storage. 2 Car Garage. Small Dog OK!
257 E Putnam Ave, Cos Cob, CT 06830 is a 2 bedroom, 1 bathroom, 946 sqft multi-family in Cos Cob, built in 1917. More recently, it was listed as a rental in September 2018 with an asking price of $1,850 per month. That rental listing was removed on September 26, 2018. It is currently off market. The Trulia Estimate is $2,681,300, with a rent estimate of $2,847/month.

Home Details for 257 E Putnam Ave

Interior Features

Interior Details
BasementNumber of Rooms: 2
Levels, Entrance, & Accessibility
Stories: 2
Appliances & Utilities
Refrigerator

Property Information

Year Built
Year Built: 1917
Property Type / Style
Property Type: Multi FamilyArchitecture: Cape Cod

Exterior Features

Parking & Garage
GarageParking Spaces: 2Parking: Garage Detached

Lot Information

Lot Area: 8276 sqft

Price and Tax history

DateEventPrice
Sep 26, 2018
Source: Agent Provided
ListingRemoved
$1,850
Sep 13, 2018
Source: Agent Provided
Listed For Rent
$1,850

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 257 E Putnam Ave

  • What is 257 E Putnam Ave estimated to be worth?
    Trulia's estimated value for 257 E Putnam Ave in Cos Cob, CT is $2,681,300.
  • 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 257 E Putnam Ave?
    The closest schools to 257 E Putnam Ave 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 - 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

24 rentals with an outdoor space in Cos Cob, CT

Apartments for Rent

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Off Market Homes Near 257 E Putnam Ave

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