400 E Putnam Ave, Greenwich, CT 06830
OFF MARKET

$3,204,200

Trulia Estimate
  • Studio
  • 590 sqft

400 E Putnam Ave, Greenwich, CT 06830

Cos Cob
Est. Refi. Payment $21,556/mo*
Refinance Your Home
Currently Off Market - Sold Jul 2, 2019 for $1,250,000

Home Value

Trulia Estimate
$3.2M
Since last month
Decreased$95K (-2.9%)
Since last year
Increased$598K (+23%)
Since last sale
Increased$2M (+156%)
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
November 2026$3.2M
October 2026$3.18M
September 2026$3.3M
August 2026$3.45M
July 2026$3.5M
June 2026$3.1M
May 2026$3.08M
April 2026$2.93M
March 2026$2.99M
February 2026$3.35M
January 2026$3.31M
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
8 River Ln, Cos Cob, CT
0.13
Single-Family Home
$1,400,000
03/19/26
2
2
1,666
24 Taylor Dr, Cos Cob, CT
0.28
Single-Family Home
$1,395,000
05/11/26
3
2
1,356
4 Mill Pond Ct, Cos Cob, CT
0.29
Single-Family Home
$1,424,800
02/13/26
3
1
1,416
3 Relay Ct, Cos Cob, CT
0.17
Single-Family Home
$775,000
05/08/26
2
1
941
4 Cos Cob Ave, Cos Cob, CT
0.13
Single-Family Home
$1,530,000
08/17/26
4
3
2,720
4 Miami Ct, Cos Cob, CT
0.09
Single-Family Home
$1,885,000
03/20/26
4
3
1,785
17 Meadow Dr, Cos Cob, CT
0.35
Single-Family Home
$1,152,000
11/21/25
3
2
1,331
42 Mead Ave, Greenwich, CT
0.24
Single-Family Home
$1,125,000
11/21/25
3
2
1,833
42 Mead Ave, Cos Cob, CT
0.24
Single-Family Home
$1,125,000
11/20/25
3
2
1,833
48 River Rd, Cos Cob, CT
0.21
Single-Family Home
$1,000,000
11/18/25
3
2
1,641

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
400 E Putnam Ave #1, Cos Cob, CT 06807
0.00
$861,300
1
1
590
Off Market
406 E Putnam Ave, Greenwich, CT 06830
0.01
$4,010,800
3
1.5
6,466
Off Market
410 E Putnam Ave #2R, Greenwich, CT 06830
0.02
-
1
1
-
Off Market
15 Valley Rd, Cos Cob, CT 06807
0.02
$1,188,800
3
3.5
2,200
Off Market
11 Orchard St, Cos Cob, CT 06807
0.03
$1,376,200
3
4
2,216
Off Market
11 Orchard St #1, Cos Cob, CT 06807
0.03
-
3
2
1,116
Off Market
11 Orchard St #2, Cos Cob, CT 06807
0.03
-
3
2
-
Off Market
11 Orchard St #A, Cos Cob, CT 06807
0.03
-
3
2
-
Off Market
416 E Putnam Ave, Cos Cob, CT 06807
0.03
$1,438,200
Studio
-
-
Off Market
16 Valley Rd #16, Cos Cob, CT 06807
0.03
-
2
2
936
Off Market
17 Valley Rd, Cos Cob, CT 06807
0.03
$1,322,700
3
2
1,742
Off Market
17 Valley Rd #B, Cos Cob, CT 06807
0.03
$1,193,500
1
1
-
Off Market
420 E Putnam Ave, Greenwich, CT 06830
0.04
$2,646,300
2
1
4,572
Off Market
420 E Putnam Ave #2, Cos Cob, CT 06807
0.04
-
2
1
-
Off Market
34REAR Orchard St, Cos Cob, CT 06807
0.04
$1,659,000
4
3
2,126
Off Market
34.5 Orchard St, Cos Cob, CT 06807
0.04
-
-
-
-
Off Market
19 Valley Rd, Cos Cob, CT 06807
0.05
-
Studio
-
-
Off Market
444 E Putnam Ave, Cos Cob, CT 06807
0.05
-
2
3
-
Off Market
19 Valley Rd #A, Cos Cob, CT 06807
0.05
-
3
2
1,400
Off Market
20 Valley Rd, Cos Cob, CT 06807
0.05
-
2
2
1,000
Off Market

Local Information

  • Map ViewExplore the area around 400 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 1927
590 sqft
$5,431/sqft

About this House

This single-family home is located at 400 E Putnam Ave, Greenwich, CT. 400 E Putnam Ave is in the Cos Cob neighborhood in Greenwich, CT and in ZIP code 06830. This property has approximately 590 sqft of floor space. This property has a lot size of 6969 sqft and was built in 1927.
400 E Putnam Ave, Greenwich, CT 06830 is a studio, 590 sqft single-family home in Cos Cob, built in 1927. It last sold for $1,250,000 on Jul 2, 2019. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $3,204,200.

Home Details for 400 E Putnam Ave

Interior Features

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

Property Information

Year Built
Year Built: 1927
Property Type / Style
Property Type: Single Family Home

Exterior Features

Exterior Home Features
Deck
Parking & Garage
Parking: Off Street

Community

Units in Building: 2

Lot Information

Lot Area: 6969 sqft

Price and Tax history

DateEventPrice
Jul 2, 2019
Source: N/A
Sold
$1,250,000

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
Sourced by Trulia Market Trends

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 400 E Putnam Ave

  • What is 400 E Putnam Ave estimated to be worth?
    Trulia's estimated value for 400 E Putnam Ave in Greenwich, CT is $3,204,200.
  • What is the price history for 400 E Putnam Ave?
    400 E Putnam Ave in Greenwich, CT last sold for $1,250,000 in July 2019.
  • 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 $2.75M. That is up $168K from the prior month.
  • How big is the lot at 400 E Putnam Ave?
    The lot at 400 E Putnam Ave in Greenwich, CT is about 0.16 acres (6,969 sq ft).
  • Does 400 E Putnam Ave have parking?
    Yes, 400 E Putnam Ave in Greenwich, CT has on-site parking.

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Apartments for Rent

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Off Market Homes Near 400 E Putnam Ave

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