523 East Putnam Avenue #PH, Greenwich, CT 06830
OFF MARKET

$5,646,100

Trulia Estimate
  • 3 Beds
  • 3.5 Baths
  • 4,898 sqft

523 East Putnam Avenue #PH, Greenwich, CT 06830

Cos Cob
Est. Refi. Payment $37,896/mo*
Refinance Your Home
Currently Off Market - Sold Nov 3, 2016 for $2,800,000

Home Value

Trulia Estimate
$5.65M
Since last month
Decreased$182K (-3%)
Since last year
Increased$1M (+30.8%)
Since last sale
Increased$3M (+111.8%)
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 +43% in the last 10 years
MonthEstimated value
2026
September 2026$5.93M
August 2026$5.65M
July 2026$6.11M
June 2026$5.73M
May 2026$5.46M
April 2026$5.36M
March 2026$5.61M
February 2026$5.26M
January 2026$5.2M
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
115 River Rd #7, Greenwich, CT
0.10
Condo
$1,625,000
05/06/26
3
2.5
2,185
24 Harold St #E, Cos Cob, CT
0.21
Condo
$1,660,000
03/09/26
4
3.5
2,736
44 Valley Rd #A, Cos Cob, CT
0.23
Condo
$1,580,000
11/21/25
4
3.5
2,632
453 E Putnam Ave #4B, Cos Cob, CT
0.11
Condo
$850,000
05/20/26
2
2.5
1,464
453 East Putnam Avenue #4B, Greenwich, CT
0.13
Condo
$850,000
05/20/26
2
2.5
1,464
24 Decatur St #2, Cos Cob, CT
0.31
Condo
$850,000
07/06/26
2
2.5
1,643
98 Valley Rd #12, Cos Cob, CT
0.28
Condo
$960,000
06/15/26
3
1.5
1,240
6 Caroline Farms Road #4, Greenwich, CT
0.55
Condo
$1,190,000
07/17/26
2
3.5
2,042
9 River Rd #418, Greenwich, CT
0.53
Condo
$855,000
07/01/26
2
2.5
1,181
58 Stirrup Ln, Riverside, CT
0.87
Condo
$1,234,567
06/15/26
3
2.5
1,992

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
523 E Putnam Ave #PENTHOUSE, Cos Cob, CT 06807
0.01
$4,288,300
3
3.5
4,347
Off Market
523 E Putnam Ave #B, Cos Cob, CT 06807
0.01
$2,744,000
3
3.5
3,251
Off Market
523 East Putnam Avenue #B, Greenwich, CT 06830
0.02
$2,745,700
3
3.5
3,251
Off Market
6 Nassau Pl #4, Greenwich, CT 06807
0.06
$936,900
3
1.5
1,554
Off Market
519 E Putnam Avenue, Cos Cob, CT 06807
0.06
$2,040,400
5
3
2,992
Off Market
47 Valley Rd #B3, Cos Cob, CT 06807
0.10
$465,500
2
0.5
800
Recently Sold
89 River Rd #305, Cos Cob, CT 06807
0.08
$1,684,300
2
2
1,230
Off Market
89 River Rd #201, Cos Cob, CT 06807
0.08
$1,746,100
2
2
1,240
Off Market
89 River Rd #303, Cos Cob, CT 06807
0.08
$1,536,200
2
2
1,184
Off Market
89 River Rd #304, Cos Cob, CT 06807
0.08
$2,195,000
1
1.5
1,088
For Sale
115 River Rd #7, Greenwich, CT 06807
0.10
$1,625,000
3
2.5
2,185
Recently Sold

Local Information

  • Map ViewExplore the area around 523 East Putnam Avenue #PH.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Condo
Built in 2011
4,898 sqft
$1,153/sqft
Garage

About this House

Captain's view: newer one floor living. Luxurious penthouse with views of the harbor. Award winning architect and developer have created elegant living space with great attention to detail and high end amenities. Three bedrooms including grand master suite with his & her baths, balcony, gourmet kitchen, library, private garden and terrace. Three car garage (551 sf included in square footage). Large assigned closet in lower level. Sophisticated living at its best. Protected and set high up overlooking the harbor.
523 East Putnam Avenue #PH, Greenwich, CT 06830 is a 3 bedroom, 4 bathroom, 4,898 sqft condo in Cos Cob, built in 2011. It last sold for $2,800,000 on Nov 3, 2016 (7% below the $2,995,000 asking price). This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $5,646,100.
Last check for updates: about 19 hours ago
Listed by Barbara Wells, (203) 912-5644
Houlihan Lawrence, (203) 869-0700
Bought with: Allen Vetrosky, (203) 981-8793, Berkshire Hathaway NE Prop., (203) 869-0500
Source: Smart MLS, MLS#99149594

Home Details for 523 East Putnam Avenue #PH

Interior Features

Interior Details
Basement: FullNumber of Rooms: 16
Beds & Baths
Number of Bedrooms: 3Number of Bathrooms: 4Number of Bathrooms (full): 3Number of Bathrooms (half): 1
Dimensions and Layout
Living Area: 4898 Square Feet
Appliances & Utilities
Appliances: Cooktop, Dishwasher, Dryer, Freezer, Ice Maker, Oven/Range, Refrigerator, WasherDishwasherDryerLaundry: Mud RoomRefrigeratorWasher
Heating & Cooling
Heating: Natural Gas,OilHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Natural Gas
Fireplace & Spa
Number of Fireplaces: 1Has a Fireplace
Windows, Doors, Floors & Walls
Door: French Doors
Levels, Entrance, & Accessibility
Stories: 1Elevator
View
Has a ViewView: Water
Security
Security: Security System

Exterior Features

Exterior Home Features
Patio / Porch: TerraceExterior: Balcony, Underground SprinklerNo Private Pool
Parking & Garage
Number of Garage Spaces: 3Number of Covered Spaces: 3No CarportHas a GarageNo Attached GarageParking Spaces: 3Parking: Garage
Frontage
WaterfrontWaterfront: Waterfront, HarborOn Waterfront
Water & Sewer
Sewer: Public Sewer
Finished Area
Finished Area (above surface): 4898 Square Feet

Property Information

Year Built
Year Built: 2011
Property Type / Style
Property Type: ResidentialProperty Subtype: Condominium, TownhouseStructure Type: TownhouseArchitecture: Townhouse
Building
Building Name: Harbor HouseConstruction Materials: ClapboardNot a New ConstructionDoes Not Include Home Warranty
Property Information
Parcel Number: 999999999

Price & Status

Price
List Price: $2,995,000
Status Change & Dates
Off Market Date: Thu Nov 03 2016Possession Timing: Immediate

Active Status

MLS Status: Closed

Location

Direction & Address
City: GreenwichCommunity: Cos Cob
School Information
Elementary School: Cos CobJr High / Middle School: CentralHigh School: Greenwich

Building

Building Area
Building Area: 4898 Square Feet

HOA

No HOA

Miscellaneous

BasementMls Number: 99149594Attic: NoneWater ViewWater View: WaterAbove Grade Unfinished Area: 4898

Price and Tax history

DateEventPrice
Nov 3, 2016
Source: Smart MLS #99149594
Sold
$2,800,000

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

IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.

Frequently asked questions about 523 East Putnam Avenue #PH

  • What is 523 East Putnam Avenue #PH estimated to be worth?
    Trulia's estimated value for 523 East Putnam Avenue #PH in Greenwich, CT is $5,646,100.
  • What is the price history for 523 East Putnam Avenue #PH?
    523 East Putnam Avenue #PH in Greenwich, CT last sold for $2,800,000 in November 2016.
  • 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 $2.58M. That is up $150K from the prior month.
  • Does 523 East Putnam Avenue #PH have air conditioning?
    Yes, 523 East Putnam Avenue #PH in Greenwich, CT has air conditioning.
  • Does 523 East Putnam Avenue #PH have laundry facilities?
    Yes, 523 East Putnam Avenue #PH in Greenwich, CT has in-unit laundry.

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Apartments for Rent

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Off Market Homes Near 523 East Putnam Avenue #PH

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