391 E Putnam Ave, Greenwich, CT 06830
OFF MARKET

$4,947,800

Trulia Estimate
  • 6 Beds
  • 3 Baths
  • 3,901 sqft (on 0.53 acres)

391 E Putnam Ave, Greenwich, CT 06830

Cos Cob
Est. Refi. Payment $33,244/mo*
Refinance Your Home
Currently Off Market - Sold Aug 15, 2011 for $2,200,000

Home Value

Trulia Estimate
$4.95M
Since last month
Decreased$94K (-1.9%)
Since last year
Increased$783K (+19.1%)
Since last sale
Increased$3M (+122.3%)
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
November 2026$4.89M
October 2026$4.96M
September 2026$4.98M
August 2026$5.01M
July 2026$4.96M
June 2026$4.96M
May 2026$4.94M
April 2026$4.65M
March 2026$4.66M
February 2026$4.5M
January 2026$4.48M
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
12 Old Post Rd, Cos Cob, CT
0.49
Single-Family Home
$2,025,000
08/06/26
5
2.5
3,340
33 Mead Ave, Cos Cob, CT
0.19
Single-Family Home
$2,700,000
08/26/26
4
4
3,492
34 1/2 Orchard St, Cos Cob, CT
0.17
Single-Family Home
$2,022,000
06/22/26
4
2.5
2,126
76 Sinawoy Rd, Cos Cob, CT
0.40
Single-Family Home
$2,250,000
11/14/25
4
2.5
2,423
4 Miami Ct, Cos Cob, CT
0.05
Single-Family Home
$1,885,000
03/20/26
4
3
1,785
24 Valley Rd, Cos Cob, CT
0.14
Single-Family Home
$2,400,000
02/25/26
4
4.5
3,221
4 Cos Cob Ave, Cos Cob, CT
0.18
Single-Family Home
$1,530,000
08/17/26
4
3
2,720
7 Stanwich Rd, Greenwich, CT
0.50
Single-Family Home
$4,100,000
01/21/26
5
3.5
4,000
52 Valleywood Rd, Cos Cob, CT
0.41
Single-Family Home
$1,855,000
05/15/26
4
3
1,944
52 Valleywood Rd, Greenwich, CT
0.41
Single-Family Home
$1,855,000
05/18/26
4
3
1,944

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
391 E Putnam Ave, Cos Cob, CT 06807
0.00
-
-
-
-
Off Market
391 E Putnam Ave #2, Cos Cob, CT 06807
0.00
-
2
2
-
Off Market
391 E Putnam Ave #3, Cos Cob, CT 06807
0.00
-
1
1
-
Off Market
6 Robertson Ln, Cos Cob, CT 06807
0.02
$1,045,300
2
3
1,469
Off Market
6 Robertson Ln #7, Greenwich, CT 06807
0.02
$990,500
2
2.5
1,700
Off Market
6 Robertson Lane #4, Cos Cob, CT 06807
0.03
$1,196,900
3
2.5
2,094
Off Market
8 Miami Ct, Cos Cob, CT 06807
0.04
$1,651,000
3
2
1,712
Off Market
371-375 E Putnam Ave, Greenwich, CT 06830
0.04
$8,732,200
Studio
-
2,642
Off Market
6 Miami Ct, Cos Cob, CT 06807
0.04
$1,700,100
4
2.5
1,890
Off Market
12 Robertson Ln, Cos Cob, CT 06807
0.04
$1,528,400
3
3
1,757
Off Market
14 Robertson Ln, Cos Cob, CT 06807
0.05
$1,545,700
3
3
2,082
Off Market
4 Miami Ct, Cos Cob, CT 06807
0.05
$1,885,000
4
3
1,785
Recently Sold
400 E Putnam Ave, Greenwich, CT 06830
0.05
$3,204,200
Studio
-
590
Off Market
400 E Putnam Ave #1, Cos Cob, CT 06807
0.05
$861,300
1
1
590
Off Market
1 Orchard St #6B, Cos Cob, CT 06807
0.05
-
-
-
-
Off Market
11 River Ln, Cos Cob, CT 06807
0.05
$1,665,600
3
3
2,009
Off Market
406 E Putnam Ave, Greenwich, CT 06830
0.06
$4,010,800
3
1.5
6,466
Off Market
4 Mead Ave, Cos Cob, CT 06807
0.06
$1,132,500
3
2
2,080
Off Market
410 E Putnam Ave #2R, Greenwich, CT 06830
0.06
-
1
1
-
Off Market
16 Robertson Ln, Cos Cob, CT 06807
0.06
$1,271,800
2
1
1,622
Off Market

Local Information

  • Map ViewExplore the area around 391 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 1869
0.53 acre lot
3,901 sqft
$1,268/sqft

About this House

This single-family home is located at 391 E Putnam Ave, Greenwich, CT. 391 E Putnam Ave is in the Cos Cob neighborhood in Greenwich, CT and in ZIP code 06830. This property has 6 bedrooms, 3 bathrooms and approximately 3,901 sqft of floor space. This property has a lot size of 0.53 acres and was built in 1869.
391 E Putnam Ave, Greenwich, CT 06830 is a 6 bedroom, 3 bathroom, 3,901 sqft single-family home in Cos Cob, built in 1869. It last sold for $2,200,000 on Aug 15, 2011. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $4,947,800.

Home Details for 391 E Putnam Ave

Interior Features

Interior Details
BasementNumber of Rooms: 13
Heating & Cooling
Heating: Forced AirAir ConditioningHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 3

Exterior Features

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

Property Information

Year Built
Year Built: 1869Year Updated: 1960
Property Type / Style
Property Type: Single Family Home

Community

Units in Building: 3

Lot Information

Lot Area: 0.53 acres

Price and Tax history

DateEventPrice
Aug 15, 2011
Source: N/A
Sold
$2,200,000
Oct 14, 1998
Source: N/A
Sold
$702,500
Jun 24, 1998
Source: N/A
Sold
$385,000
Oct 17, 1997
Source: N/A
Sold
$680,000

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 391 E Putnam Ave

  • What is 391 E Putnam Ave estimated to be worth?
    Trulia's estimated value for 391 E Putnam Ave in Greenwich, CT is $4,947,800.
  • What is the price history for 391 E Putnam Ave?
    391 E Putnam Ave in Greenwich, CT last sold for $2,200,000 in August 2011.
  • 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 391 E Putnam Ave?
    The lot at 391 E Putnam Ave in Greenwich, CT is about 0.53 acres (23,086 sq ft).
  • Does 391 E Putnam Ave have parking?
    Yes, 391 E Putnam Ave in Greenwich, CT has on-site parking.

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Apartments for Rent

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