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

$2,604,200

Trulia Estimate
  • Studio
  • 2,190 sqft

261 E Putnam Ave, Cos Cob, CT 06830

Cos Cob
Est. Refi. Payment $18,168/mo*
Refinance Your Home
Currently Off Market - Sold Oct 6, 1995 for $400,000

Home Value

Trulia Estimate
$2.6M
Since last month
Decreased$171K (-6.1%)
Since last year
Increased$345K (+15.3%)
Since last sale
Increased$2M (+551.1%)
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 +30% in the last 10 years
MonthEstimated value
2026
October 2026$2.6M
September 2026$2.88M
August 2026$2.77M
July 2026$2.74M
June 2026$2.78M
May 2026$2.78M
April 2026$2.72M
March 2026$2.71M
February 2026$2.59M
January 2026$2.45M
2025

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
42 Mead Ave, Greenwich, CT
0.18
Single-Family Home
$1,125,000
11/21/25
3
2
1,833
42 Mead Ave, Cos Cob, CT
0.18
Single-Family Home
$1,125,000
11/20/25
3
2
1,833
48 River Rd, Cos Cob, CT
0.17
Single-Family Home
$1,000,000
11/18/25
3
2
1,641
15 Ridge Rd, Cos Cob, CT
0.26
Single-Family Home
$1,420,000
10/24/25
4
2
2,073
34 1/2 Orchard St, Cos Cob, CT
0.20
Single-Family Home
$2,022,000
06/22/26
4
2.5
2,126
4 Miami Ct, Cos Cob, CT
0.04
Single-Family Home
$1,885,000
03/20/26
4
3
1,785
34 Ridge Rd, Cos Cob, CT
0.30
Single-Family Home
$1,645,000
07/01/26
3
2
2,344
8 River Ln, Cos Cob, CT
0.17
Single-Family Home
$1,400,000
03/19/26
2
2
1,666
3 Relay Ct, Cos Cob, CT
0.07
Single-Family Home
$775,000
05/08/26
2
1
941
4 Cos Cob Ave, Cos Cob, CT
0.23
Single-Family Home
$1,530,000
08/17/26
4
3
2,720

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
261 E Putnam Ave #1, Cos Cob, CT 06807
0.00
-
1
1
700
Off Market
257 E Putnam Ave, Cos Cob, CT 06830
0.01
$2,567,400
2
1
946
Off Market
257 E Putnam Ave, Cos Cob, CT 06807
0.01
-
1
1
-
Off Market
5 Mead Ave, Cos Cob, CT 06807
0.02
$1,382,000
4
2
1,300
Off Market
5 Mead Ave, Greenwich, CT 06830
0.02
$1,459,600
4
2
1,789
Off Market
253 E Putnam Ave, Cos Cob, CT 06830
0.03
$2,263,800
Studio
-
2,026
Off Market
4 Mead Ave, Cos Cob, CT 06807
0.03
$1,168,900
3
2
2,080
Off Market
7 Mead Ave, Greenwich, CT 06830
0.03
-
Studio
-
-
Off Market
24 HAROLD AVE, Cos Cob, CT 06807
0.03
$1,614,300
4
3.5
2,580
Off Market
1 Orchard St #6B, Cos Cob, CT 06807
0.04
-
-
-
-
Off Market
4 Miami Ct, Cos Cob, CT 06807
0.04
$1,885,000
4
3
1,785
Recently Sold
371-375 E Putnam Ave, Greenwich, CT 06830
0.04
$8,419,800
Studio
-
2,642
Off Market
247 E Putnam Ave, Cos Cob, CT 06830
0.04
$1,958,400
1
1
945
Off Market
247 E Putnam Ave, Cos Cob, CT 06807
0.04
$1,042,300
1
1
-
Off Market
2 Miami Ct #1, Cos Cob, CT 06807
0.04
-
3
2
1,600
Off Market
9 Mead Ave, Cos Cob, CT 06807
0.04
-
-
-
-
Off Market
9 Mead Ave, Greenwich, CT 06830
0.04
$1,897,800
1
1
900
Off Market
8 Relay Ct, Cos Cob, CT 06807
0.04
$1,287,200
3
2
1,213
Off Market
6 Miami Ct, Cos Cob, CT 06807
0.05
$1,675,400
4
2.5
1,890
Off Market
1 Miami Ct #1, Cos Cob, CT 06807
0.05
-
3
2
2,000
Off Market

Local Information

  • Map ViewExplore the area around 261 E Putnam Ave.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1917
2,190 sqft
$1,189/sqft
Garage

About this House

This single-family home is located at 261 E Putnam Ave, Cos Cob, CT. 261 E Putnam Ave is in the Cos Cob neighborhood in Cos Cob, CT and in ZIP code 06830. This property has approximately 2,190 sqft of floor space. This property has a lot size of 9147 sqft and was built in 1917.
261 E Putnam Ave, Cos Cob, CT 06830 is a studio, 2,190 sqft single-family home in Cos Cob, built in 1917. It last sold for $400,000 on Oct 6, 1995. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $2,604,200, with a rent estimate of $6,419/month.

Home Details for 261 E Putnam Ave

Interior Features

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

Exterior Features

Exterior Home Features
Roof: Shake Shingle
Parking & Garage
GarageParking: Garage Detached

Property Information

Year Built
Year Built: 1917
Property Type / Style
Property Type: Single Family Home

Community

Units in Building: 1

Lot Information

Lot Area: 9147 sqft

Price and Tax history

DateEventPrice
Oct 6, 1995
Source: N/A
Sold
$400,000

Market trends in Greenwich

Last updated September 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$2.75M
$168KMoM
Sale-to-List Price
103.2%
1.6%MoM
Price per sq ft
$807
$18MoM
Available listings
183
29MoM

Around this home

Neighborhood Overview

Cos Cob
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Cos Cob

This October

Trick-or-Treat Score

Built from what locals say about Cos Cob.
  • 100% say neighbors are friendly
  • 100% say there are community events
  • 100% say there's holiday spirit
Trulia Trick or TreatStart Ghost Hunt
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 261 E Putnam Ave

  • What is 261 E Putnam Ave estimated to be worth?
    Trulia's estimated value for 261 E Putnam Ave in Cos Cob, CT is $2,604,200.
  • What is the price history for 261 E Putnam Ave?
    261 E Putnam Ave in Cos Cob, CT last sold for $400,000 in October 1995.
  • 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 $2.75M. That is up $168K from the prior month.
  • How big is the lot at 261 E Putnam Ave?
    The lot at 261 E Putnam Ave in Cos Cob, CT is about 0.21 acres (9,147 sq ft).
  • Does 261 E Putnam Ave have a garage?
    Yes, 261 E Putnam Ave in Cos Cob, CT has a garage.

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Apartments for Rent

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