78 E Putnam Ave, Cos Cob, CT 06807
78 E Putnam 4
78 E Putnam 6
OFF MARKET

78 E Putnam Ave
Cos Cob, CT 06807

Cos Cob
  • 2 Beds
  • 3 Baths
  • 1,666 sqft

$1,566,300

Trulia Estimate
as of Aug 18, 2026
Est. Refi. Payment $10,300/mo*
Refinance Your Home

$1,566,300

Trulia Estimate
as of Aug 18, 2026
Est. Refi. Payment $10,300/mo*
Refinance Your Home
2 Beds
3 Baths
1,666 sqft

Home Value

Trulia Estimate
$1.57M
Since last month
Decreased$24K (-1.5%)
Since last year
Increased$96K (+6.4%)
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 +96% in the last 10 years
MonthEstimated value
2026
August 2026$1.59M
July 2026$1.62M
June 2026$1.78M
May 2026$1.67M
April 2026$1.71M
March 2026$1.57M
February 2026$1.55M
January 2026$1.59M
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
24 Taylor Dr, Cos Cob, CT
0.16
Single-Family Home
$1,395,000
05/11/26
3
2
1,356
20 Ridge Rd, Cos Cob, CT
0.27
Single-Family Home
$2,503,000
07/31/26
3
3.5
1,839
52 Valleywood Rd, Cos Cob, CT
0.30
Single-Family Home
$1,855,000
05/15/26
4
3
1,944
52 Valleywood Rd, Greenwich, CT
0.30
Single-Family Home
$1,855,000
05/18/26
4
3
1,944
4 Miami Ct, Cos Cob, CT
0.34
Single-Family Home
$1,885,000
03/20/26
4
3
1,785
12 Old Post Rd #6, Cos Cob, CT
0.13
Single-Family Home
$2,025,000
08/07/26
4
3
3,034
12 Old Post Rd, Cos Cob, CT
0.13
Single-Family Home
$2,025,000
08/06/26
5
2.5
3,340
15 Ridge Rd, Cos Cob, CT
0.23
Single-Family Home
$1,420,000
10/24/25
4
2
2,073
48 River Rd, Cos Cob, CT
0.39
Single-Family Home
$1,000,000
11/18/25
3
2
1,641
34 Ridge Rd, Cos Cob, CT
0.30
Single-Family Home
$1,645,000
07/01/26
3
2
2,344

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
8 Cross Lane, Greenwich, CT 06830
0.06
$1,848,200
6
3.5
1,965
Off Market
13 Field Rd, Cos Cob, CT 06807
0.06
$1,450,000
2
2
1,662
Recently Sold
12B Cross Lane, Cos Cob, CT 06807
0.07
$1,969,500
3
3
3,000
Off Market
12 Taylor Dr, Cos Cob, CT 06807
0.09
$1,540,000
4
3
1,929
Off Market
17 Field Rd, Cos Cob, CT 06807
0.09
$1,470,100
2
1
1,402
Off Market
11 Valleywood Rd, Cos Cob, CT 06807
0.10
$2,745,000
5
4.5
3,934
Recently Sold
15 Taylor Dr, Cos Cob, CT 06807
0.13
$2,654,500
4
4.5
2,905
Off Market
22 Cross Ln, Cos Cob, CT 06807
0.11
-
3
1.5
1,354
Off Market
23 Taylor Dr, Cos Cob, CT 06807
0.15
$1,564,400
3
2
1,538
Off Market
12 Salem St, Cos Cob, CT 06807
0.12
$2,120,300
4
4
2,298
Off Market
24 Taylor Dr, Cos Cob, CT 06807
0.16
$1,395,000
3
2
1,356
Recently Sold
12 Old Post Rd, Cos Cob, CT 06807
0.13
$2,025,000
5
2.5
3,340
Recently Sold

Local Information

  • Map ViewExplore the area around 78 E Putnam Ave.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Living Area
1,666 sqft
Price/Sqft
$940

About this House

This single-family home is located at 78 E Putnam Ave, Cos Cob, CT. 78 E Putnam Ave is in the Cos Cob neighborhood in Cos Cob, CT and in ZIP code 06807. This property has 2 bedrooms, 3 bathrooms and approximately 1,666 sqft of floor space.
78 E Putnam Ave, Cos Cob, CT 06807 is a 2 bedroom, 3 bathroom, 1,666 sqft single-family home in Cos Cob. More recently, it was listed as a rental in February 2017 with an asking price of $4,950 per month. That rental listing was removed on July 13, 2017. It is currently off market. The Trulia Estimate is $1,566,300, with a rent estimate of $6,609/month.

Home Details for 78 E Putnam Ave

Property Information

Property Type / Style
Property Type: Single Family Home

Price and Tax history

DateEventPrice
Jul 13, 2017
Source: Agent Provided
ListingRemoved
$4,750
Jun 17, 2017
Source: Agent Provided
PriceChange
$4,750
Price decreased by 5%
Apr 12, 2017
Source: Agent Provided
PriceChange
$5,000
Price increased by 1%
Feb 28, 2017
Source: Agent Provided
Listed For Rent
$4,950

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
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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

Apartments for Rent

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Explore by feature - Pet Friendly

47 pet-friendly rentals in Cos Cob, CT

Explore by feature - Garage

65 rentals with a garage in Cos Cob, CT

Explore by feature - Air Conditioning

148 rentals with air conditioning in Cos Cob, CT

Explore by feature - Pool

18 rentals with a pool in Cos Cob, CT

Explore by feature - Washer/dryer

119 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 78 E Putnam Ave

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Off Market Homes Near 78 E Putnam Ave

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Frequently asked questions about 78 E Putnam Ave

  • What is 78 E Putnam Ave estimated to be worth?
    Trulia's estimated value for 78 E Putnam Ave in Cos Cob, CT is $1,566,300.
  • 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 78 E Putnam Ave?
    The closest schools to 78 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).