523 East Putnam Avenue #B, Greenwich, CT 06830
SOLD
SEP 9, 2025

523 East Putnam Avenue #B
Greenwich, CT 06830

Cos Cob
  • 3 Beds
  • 3.5 Baths
  • 3,251 sqft

$2,550,000

Last Sold: Sep 9, 2025
9% below list $2.8M
$784/sqft
Est. Refi. Payment $16,333/mo*
Refinance Your Home

$2,550,000

Last Sold: Sep 9, 2025
9% below list $2.8M
$784/sqft
Est. Refi. Payment $16,333/mo*
Refinance Your Home
3 Beds
3.5 Baths
3,251 sqft

Homes for sale near 523 East Putnam Avenue #B

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Local Information

Map showing home location
© Google
-- mins to
Commute Destination

Description

Space and convenience await you at this incredible townhouse with views of the Mianus River and a location close to Old Greenwich, Riverside and Cos Cob. This 3 bedroom, 3.5 bath home has high ceilings throughout, generously sized rooms and picture-perfect outdoor space. With 3 dedicated underground parking spaces and an elevator to take you to your living floor, this is as easy as it gets. The unit (one of only 3 in the building) offers high end finishes: coiffured ceilings, Viking appliances and his/her primary bathrooms & closets. With 3 sets of French doors giving access to outdoor spaces, you are never far from the calming water views of the river below. Gourmet kitchen and family room, as well as dining room, mud room and den flow seamlessly on the main level, along with the luxurious primary suite. The second floor offers 2 more en suite bedrooms. Access to the unit is gained from the main vestibule or from your own front door. And the outdoor fireplace on the patio overlooking the river a great place to end the day. 523 E Putnam B is not to be missed for those looking for easy living close to everything.
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources. This description is from September 09, 2025

Home Highlights

Parking
Garage
Outdoor
Patio
A/C
Heating & Cooling
HOA
$3,066/Monthly
Price/Sqft
$784/sqft
Listed
180+ days ago

Home Details for 523 East Putnam Avenue #B

Interior Features

Interior Details
Basement: FullNumber of Rooms: 7Types of Rooms: Master Bedroom, Bedroom, Master Bathroom, Bathroom, Dining Room, Family Room, Kitchen, Living Room
Beds & Baths
Number of Bedrooms: 3Number of Bathrooms: 4Number of Bathrooms (full): 3Number of Bathrooms (half): 1
Dimensions and Layout
Living Area: 3251 Square Feet
Appliances & Utilities
Appliances: Gas Cooktop, Oven, Microwave, Range Hood, Refrigerator, Freezer, Dishwasher, Washer, Dryer, Wine Cooler, Water HeaterDishwasherDryerLaundry: Main Level,Upper Level,Mud RoomMicrowaveRefrigeratorWasher
Heating & Cooling
Heating: Forced Air,Zoned,Natural GasHas CoolingAir Conditioning: Central Air,ZonedHas HeatingHeating Fuel: Forced Air
Fireplace & Spa
Number of Fireplaces: 1Has a Fireplace
Windows, Doors, Floors & Walls
Common Walls: End Unit
Levels, Entrance, & Accessibility
Stories: 2Elevator
View
Has a ViewView: Water
Security
Security: Security System

Exterior Features

Exterior Home Features
Patio / Porch: PatioExterior: Balcony, Stone WallNo Private Pool
Parking & Garage
Number of Garage Spaces: 3Number of Covered Spaces: 3No CarportHas a GarageNo Attached GarageParking Spaces: 3Parking: Garage,Garage Door Opener
Frontage
Waterfront: Walk to WaterNot on Waterfront
Water & Sewer
Sewer: Public Sewer
Finished Area
Finished Area (above surface): 3251 Square Feet

Property Information

Year Built
Year Built: 2009
Property Type / Style
Property Type: ResidentialProperty Subtype: Condominium, TownhouseStructure Type: TownhouseArchitecture: Townhouse
Building
Building Name: Harbor House AssociationConstruction Materials: ClapboardNot a New ConstructionAttached To Another StructureDoes Not Include Home Warranty
Property Information
Not Included in Sale: Light pendants above kitchen island as well as mudroom light fixtureParcel Number: 2679016

Price & Status

Price
List Price: $2,800,000Price Per Sqft: $784/sqft
Status Change & Dates
Off Market Date: Fri Aug 08 2025Possession Timing: 6/1/25

Active Status

MLS Status: Closed

Location

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

Agent Information

Buyer Agent
Buyer Company Name: The Metalios Team at Houlihan Lawrence

Building

Building Area
Building Area: 3251 Square Feet

Community

Community Features: Near Public Transport, Golf, Library, Medical Facilities, Park, Private School(s), Public Rec Facilities

HOA

HOA Fee Includes: Maintenance Grounds, Trash, Snow Removal, Pest Control, InsuranceHas an HOAHOA Fee: $3,066/Monthly

Miscellaneous

BasementMls Number: 24090034Attic: NoneWater ViewWater View: WaterAbove Grade Unfinished Area: 3251

Additional Information

HOA Amenities: Elevator(s),Management
Last check for updates: about 7 hours ago
Listed by Allen Vetrosky, (203) 981-8793
Berkshire Hathaway NE Prop., (203) 869-0500
Bought with: Stacey Delikat, (203) 249-4595, Houlihan Lawrence, (203) 869-0700
Source: Smart MLS, MLS#24090034

Price History for 523 East Putnam Avenue #B

DatePriceEventSource
09/09/2025$2,550,000Sold
Smart MLS #24090034
08/08/2025$2,800,000PendingSmart MLS #24090034
05/30/2025$2,800,000PriceChange
Smart MLS #24090034
04/30/2025$3,095,000Listed For SaleSmart MLS #24090034
10/30/2020$12,000ListingRemovedAgent Provided
08/11/2020$12,000PriceChange
Agent Provided
08/08/2020$11,000Listed For RentAgent Provided
01/02/2020$2,250,000Sold
N/A
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Property Tax and Assessment

Year2025
Tax$18,422
Assessment$1,490,580
Home facts updated by county records

Comparable Sales for 523 East Putnam Avenue #B

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
523 E Putnam Ave #B, Cos Cob, CT
0.01
Condo
$2,550,000
09/09/25
3
3.5
3,251
115 River Rd #7, Greenwich, CT
0.11
Condo
$1,625,000
05/06/26
3
2.5
2,185
24 Harold St #E, Cos Cob, CT
0.22
Condo
$1,660,000
03/09/26
4
3.5
2,736
44 Valley Rd #A, Cos Cob, CT
0.22
Condo
$1,580,000
11/21/25
4
3.5
2,632
43 Harold St #B, Cos Cob, CT
0.23
Condo
$1,100,000
07/16/25
3
3.5
1,958
89 River Rd #303, Cos Cob, CT
0.08
Condo
$1,425,000
07/17/25
2
2
1,184
453 E Putnam Ave #1I, Cos Cob, CT
0.11
Condo
$795,000
08/07/25
2
2.5
1,464
19 Palmer St #2, Cos Cob, CT
0.32
Condo
$750,000
05/30/25
2
2
1,524
75 Cos Cob Ave #10, Greenwich, CT
0.43
Condo
$780,000
09/11/25
3
1.5
1,362

Assigned Schools

These are the assigned schools for 523 East Putnam Avenue #B.
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Neighborhood Overview

Cos Cob
See Local Highlights
Neighborhood stats provided by third party data sources.

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Homes for rent near 523 East Putnam Avenue #B

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Off Market Homes Near 523 East Putnam Avenue #B

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Explore by feature

523 East Putnam Avenue #B, Greenwich, CT 06830 is a 3 bedroom, 4 bathroom, 3,251 sqft condo built in 2009. 523 East Putnam Avenue #B is located in Cos Cob, Greenwich. This property is not currently available for sale. 523 East Putnam Avenue #B was last sold on Sep 9, 2025 for $2,550,000 (9% lower than the asking price of $2,800,000). The current Trulia Estimate for 523 East Putnam Avenue #B is $2,620,600.