434 E Putnam Ave, Greenwich, CT 06830
OFF MARKET

434 E Putnam Ave
Greenwich, CT 06830

Cos Cob
  • Studio
  • 4,053 sqft

$2,975,300

Trulia Estimate
as of Aug 15, 2026
Est. Refi. Payment $19,577/mo*
Refinance Your Home

$2,975,300

Trulia Estimate
as of Aug 15, 2026
Est. Refi. Payment $19,577/mo*
Refinance Your Home
Studio
4,053 sqft

Home Value

Trulia Estimate
$2.98M
Since last month
Increased$83K (+2.9%)
Since last year
Increased$239K (+8.8%)
Since last sale
Increased$3M (+14,706.5%)
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 +32% in the last 10 years
MonthEstimated value
2026
August 2026$2.96M
July 2026$2.99M
June 2026$2.88M
May 2026$2.8M
April 2026$2.72M
March 2026$2.87M
February 2026$2.86M
January 2026$2.67M
2025
2024
2023

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 Valley Rd, Cos Cob, CT
0.06
Single-Family Home
$2,400,000
02/25/26
4
4.5
3,221
8 River Ln, Cos Cob, CT
0.11
Single-Family Home
$1,400,000
03/19/26
2
2
1,666
4 Miami Ct, Cos Cob, CT
0.14
Single-Family Home
$1,885,000
03/20/26
4
3
1,785
16 Kent Pl, Cos Cob, CT
0.32
Single-Family Home
$1,690,000
05/15/26
4
2.5
2,410
34 1/2 Orchard St, Cos Cob, CT
0.13
Single-Family Home
$2,022,000
06/22/26
4
2.5
2,126
24 Rippowam Rd, Cos Cob, CT
0.34
Single-Family Home
$1,595,000
08/22/25
4
2.5
3,827
55 Cos Cob Ave, Cos Cob, CT
0.30
Single-Family Home
$910,000
04/13/26
3
2
1,762
11 Valleywood Rd, Cos Cob, CT
0.49
Single-Family Home
$2,745,000
11/20/25
5
4.5
3,934
36 Cary Rd, Riverside, CT
0.47
Single-Family Home
$1,850,000
10/15/25
4
4
2,400
42 Mead Ave, Greenwich, CT
0.26
Single-Family Home
$1,125,000
11/21/25
3
2
1,833

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
25 Valley Rd #25, Cos Cob, CT 06807
0.03
$1,611,100
4
3
1,768
Off Market
24 Valley Rd, Cos Cob, CT 06807
0.06
$2,400,000
4
4.5
3,221
Recently Sold
453 E Putnam Ave #1L, Cos Cob, CT 06807
0.02
$957,100
2
2.5
1,464
Off Market
25 Orchard St #B, Cos Cob, CT 06807
0.09
$2,213,800
4
4.5
2,910
Off Market
25 Orchard St #A, Cos Cob, CT 06807
0.09
$2,252,800
4
5
2,825
Off Market
453 E Putnam Ave #1I, Cos Cob, CT 06807
0.04
$846,600
2
2.5
1,464
Off Market
453 E Putnam Ave #4G, Cos Cob, CT 06807
0.04
$759,000
2
2
1,368
For Sale
453 E Putnam Ave #1E, Cos Cob, CT 06807
0.04
$1,134,400
2
2.5
1,464
Off Market
453 E Putnam Ave #1M, Cos Cob, CT 06807
0.04
$880,900
2
2.5
1,464
Off Market
453 E Putnam Ave #3I, Cos Cob, CT 06807
0.04
$971,400
2
2.5
1,464
Off Market
6 Cos Cob Ave, Cos Cob, CT 06807
0.11
$1,572,700
3
3.5
2,686
Off Market
453 East Putnam Avenue #4B, Greenwich, CT 06830
0.05
$850,000
2
2.5
1,464
Recently Sold

Local Information

  • Map ViewExplore the area around 434 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
Year Built
1900
Living Area
4,053 sqft
Price/Sqft
$734

About this House

This single-family home is located at 434 E Putnam Ave, Greenwich, CT. 434 E Putnam Ave is in the Cos Cob neighborhood in Greenwich, CT and in ZIP code 06830. This property has approximately 4,053 sqft of floor space. This property has a lot size of 6098 sqft and was built in 1900.
434 E Putnam Ave, Greenwich, CT 06830 is a studio, 4,053 sqft single-family home in Cos Cob, built in 1900. It last sold for $20,000 on Jun 5, 2002. It is currently off market. The Trulia Estimate is $2,975,300, with a rent estimate of $5,056/month.

Home Details for 434 E Putnam Ave

Interior Features

Interior Details
BasementNumber of Rooms: 3
Levels, Entrance, & Accessibility
Stories: 2

Exterior Features

Exterior Home Features
Roof: Composition
Parking & Garage
Parking: Off Street

Property Information

Year Built
Year Built: 1900
Property Type / Style
Property Type: Single Family Home

Community

Units in Building: 2

Lot Information

Lot Area: 6098 sqft

Price and Tax history

DateEventPrice
Jun 5, 2002
Source: N/A
Sold
$20,000

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

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Homes for sale near 434 E Putnam Ave

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Off Market Homes Near 434 E Putnam Ave

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Frequently asked questions about 434 E Putnam Ave

  • What is 434 E Putnam Ave estimated to be worth?
    Trulia's estimated value for 434 E Putnam Ave in Greenwich, CT is $2,975,300.
  • What is the price history for 434 E Putnam Ave?
    434 E Putnam Ave in Greenwich, CT last sold for $20,000 in June 2002.
  • Is Greenwich a buyer's or seller's market?
    Greenwich is currently a seller's market, based on recent for-sale activity.
  • What's the median sale price in Greenwich?
    The median sale price in Greenwich is $2.44M. That is up $338K from the prior month.
  • How big is the lot at 434 E Putnam Ave?
    The lot at 434 E Putnam Ave in Greenwich, CT is about 0.14 acres (6,098 sq ft).
  • Does 434 E Putnam Ave have parking?
    Yes, 434 E Putnam Ave in Greenwich, CT has on-site parking.