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.
Sold for $2,550,000 on 09/09/25
$2,550,000
523 E Putnam Ave #B, Cos Cob, CT 06807
3beds
3,251sqft
Residential, Condominium
Built in 2009
-- sqft lot
$2,580,700 Zestimate®
$784/sqft
$8,052 Estimated rent
Owner options
What's special
Zillow last checked: 8 hours ago
Listing updated: September 09, 2025 at 10:27am
Listed by:
Allen Vetrosky 203-981-8793,
BHHS New England Properties
Bought with:
Stacey Delikat, RES.0816511
Houlihan Lawrence
Source: Greenwich MLS, Inc.,MLS#: 122613
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
Heating
- Natural Gas, See Remarks, Hydro-Air
Cooling
- Central Air
Appliances
- Laundry: Laundry Room
Features
- Eat-in Kitchen, Elevator
- Windows: Double Pane Windows
- Has basement: Yes
- Number of fireplaces: 2
Interior area
- Total structure area: 3,251
- Total interior livable area: 3,251 sqft
Property
Parking
- Total spaces: 3
- Parking features: Garage Door Opener
- Garage spaces: 3
Features
- Exterior features: Balcony
- Has view: Yes
- View description: Water
- Has water view: Yes
- Water view: Water
Lot
- Features: Backlot
Details
- Parcel number: 08A2021/S
- Zoning: R-7
Construction
Type & style
- Home type: Condo
- Property subtype: Residential, Condominium
Materials
- Clapboard
- Roof: Other
Condition
- Year built: 2009
Utilities & green energy
- Water: Public
Community & neighborhood
Location
- Region: Cos Cob
HOA & financial
HOA
- Has HOA: Yes
- HOA fee: $3,066 monthly
- Amenities included: None
- Services included: Trash, Snow Removal, Maintenance Grounds
- Second association name: Harbor House
Sell with ease on Zillow
Get a Zillow Showcase℠ listing at no additional cost and you could sell for .
$2,580,700
2% more+$51,614
With Zillow Showcase(estimated)$2,632,314