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

$1,878,500

Trulia Estimate
  • 3 Beds
  • 4 Baths
  • 2,000 sqft

80 E Putnam Ave, Cos Cob, CT 06830

Cos Cob
Est. Refi. Payment $13,188/mo*
Refinance Your Home
Currently Off Market - Sold Mar 31, 2004 for $650,000

Home Value

Trulia Estimate
$1.88M
Since last month
Decreased$27K (-1.5%)
Since last year
Increased$114K (+6.8%)
Since last sale
Increased$1M (+174.5%)
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 +83% in the last 10 years
MonthEstimated value
2026
October 2026$1.78M
September 2026$1.91M
August 2026$1.81M
July 2026$1.79M
June 2026$1.81M
May 2026$1.8M
April 2026$1.76M
March 2026$1.75M
February 2026$1.68M
January 2026$1.67M
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 Harold St #E, Cos Cob, CT
0.61
Condo
$1,660,000
03/09/26
4
3.5
2,736
11 River Rd #119, Greenwich, CT
0.39
Condo
$896,000
03/19/26
2
2
1,104
453 E Putnam Ave #4H, Cos Cob, CT
0.38
Condo
$850,000
02/18/26
2
2.5
1,464
453 E Putnam Ave #4H, Greenwich, CT
0.38
Condo
$850,000
02/18/26
2
3
1,464
9 River Rd #418, Greenwich, CT
0.39
Condo
$855,000
07/01/26
2
2.5
1,181
453 East Putnam Avenue #4B, Greenwich, CT
0.48
Condo
$850,000
05/20/26
2
2.5
1,464
453 E Putnam Ave #4B, Cos Cob, CT
0.50
Condo
$850,000
05/20/26
2
2.5
1,464
44 Valley Rd #A, Cos Cob, CT
0.47
Condo
$1,580,000
11/21/25
4
3.5
2,632
7 River Rd #306, Greenwich, CT
0.39
Condo
$815,000
10/20/25
2
2
1,110
15 River Rd #205, Greenwich, CT
0.41
Condo
$914,000
07/31/26
2
2
1,270

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
78 E Putnam Ave, Cos Cob, CT 06807
0.01
$1,393,100
2
3
1,666
Off Market
84 E Putnam Ave, Greenwich, CT 06830
0.02
$1,807,300
2
2
1,130
Off Market
84 E Putnam Ave, Cos Cob, CT 06830
0.02
-
2
1
1,085
Off Market
84 E Putnam Ave, Cos Cob, CT 06807
0.02
$2,224,800
4
4
2,170
Off Market
3 Field Rd, Cos Cob, CT 06807
0.02
$1,935,400
2
1
2,110
Off Market
3 Field Rd #2, Cos Cob, CT 06807
0.02
-
2
1
-
Off Market
86 E Putnam Ave, Cos Cob, CT 06807
0.02
$1,495,500
2
1
1,085
Off Market
5 Field Rd, Cos Cob, CT 06807
0.02
$2,294,200
5
3
3,339
Off Market
82 E Putnam Ave, Cos Cob, CT 06807
0.02
$1,779,100
3
3.5
2,000
Off Market
Field Rd, Cos Cob, CT 06807
0.02
$1,046,800
1
1
-
Off Market
1 Field Rd, Cos Cob, CT 06807
0.02
$2,916,000
2
3
1,750
Off Market
7 Field Rd, Cos Cob, CT 06807
0.03
$1,794,600
4
4
2,019
Off Market
100 E Putnam Ave #MR1, Cos Cob, CT 06807
0.03
-
2
1
858
Off Market
11 Cross Ln, Cos Cob, CT 06807
0.04
$1,430,900
3
1.5
1,660
Off Market
2 field rd, cos cob, CT 06807
0.04
$3,318,700
6
5
4,000
Off Market
11 Field Rd, Cos Cob, CT 06807
0.04
$1,155,900
2
2
1,232
Off Market
6 Field Rd, Cos Cob, CT 06807
0.05
$2,714,800
7
4
4,448
Off Market
8 Field Rd, Cos Cob, CT 06807
0.05
$1,965,200
4
3
2,469
Off Market
13 Field Rd, Cos Cob, CT 06807
0.06
$1,450,000
2
2
1,662
Recently Sold
7 Cross Ln, Cos Cob, CT 06807
0.06
$1,523,200
3
1.5
1,958
Off Market

Local Information

  • Map ViewExplore the area around 80 E Putnam Ave.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Condo
Built in 1868
2,000 sqft
$939/sqft

About this House

This bright and sunny 3 BR, 3.1 BA, 2,000 sf unit has beautiful finishes, crown molding, hardwood floors, central air, a finished lower level and an office/solarium. The gourmet kitchen with granite countertops and stainless steel appliances, leads out to the terrace. The beautiful master suite is complete with master bath and a balcony. Amazing private outdoor space. Parking for 3 cars. (Photos of next door unit, it is a mirror image)
80 E Putnam Ave, Cos Cob, CT 06830 is a 3 bedroom, 4 bathroom, 2,000 sqft condo in Cos Cob, built in 1868. It last sold for $650,000 on Mar 31, 2004. More recently, it was listed as a rental in October 2021 with an asking price of $5,200 per month. That rental listing was removed on October 8, 2021. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,878,500, with a rent estimate of $6,995/month.

Home Details for 80 E Putnam Ave

Interior Features

Interior Details
BasementAtticNumber of Rooms: 14
Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2

Exterior Features

Exterior Home Features
Roof: AsphaltExterior: Wood
Parking & Garage
Parking: Off Street

Property Information

Year Built
Year Built: 1868
Property Type / Style
Property Type: CondoArchitecture: Other

Lot Information

Lot Area: 0.30 acres

Price and Tax history

DateEventPrice
Oct 8, 2021
Source: Houlihan Lawrence Inc
ListingRemoved
Oct 2, 2021
Source: Houlihan Lawrence Inc #114432
Listed For Rent
$5,200
Mar 31, 2004
Source: Smart MLS #98184726
Sold
$650,000

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 80 E Putnam Ave

  • What is 80 E Putnam Ave estimated to be worth?
    Trulia's estimated value for 80 E Putnam Ave in Cos Cob, CT is $1,878,500.
  • What is the price history for 80 E Putnam Ave?
    80 E Putnam Ave in Cos Cob, CT last sold for $650,000 in March 2004.
  • 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.
  • Does 80 E Putnam Ave have air conditioning?
    Yes, 80 E Putnam Ave in Cos Cob, CT has air conditioning.
  • Does 80 E Putnam Ave have parking?
    Yes, 80 E Putnam Ave in Cos Cob, CT has on-site parking.

Explore by feature - Pet Friendly

38 pet-friendly rentals in Cos Cob, CT

Explore by feature - Garage

56 rentals with a garage in Cos Cob, CT

Explore by feature - Air Conditioning

133 rentals with air conditioning in Cos Cob, CT

Explore by feature - Pool

24 rentals with a pool in Cos Cob, CT

Explore by feature - Washer/dryer

106 rentals with a washer/dryer in Cos Cob, CT

Explore by feature - Outdoor Space

20 rentals with an outdoor space in Cos Cob, CT

Apartments for Rent

Skip to last item
Skip to first item

Off Market Homes Near 80 E Putnam Ave

Skip to last item
Skip to first item

Homes for sale near 80 E Putnam Ave

Skip to last item
Skip to first item
Skip to last item
  • Results are loading
Skip to first item