$2,550,000
Cos Cob, CT 06807
MLS# 122613
Status: Closed
3 beds | 3.1 baths | 3251 sqft
1 / 42
Property 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
Details
Maps
Location & Property Info
List Price/SqFt: 861.27
Zoning: R-7
Unit #: B
Owner Financing: No
Section: Cos Cob
Condo Association: Harbor House
For Rent: No
CIOA: No
# HBths: 1
# FPs: 2
General Property Info
Acres +/-: 0
Elementary School: Cos Cob
Middle School: Central
Pool: No
Court: No
Year Built: 2009
Garage #: 3
SqFt +/-: 3251
Tax & Misc Info
Assessment: 1490580
Mill Rate: 12.359
Taxes: 18422.07
Association Fee: 3066
Association Fee Frequency: Monthly
Remarks & Misc
Directions: Route 1. Driveway between Nordic Custom Builders and Diamond Hill United Methodist Church. Sign at front of driveway labeled Harbor House.
Status Change Info
SP/ASMT: 1.71
Sold Price/SqFt: 784.37
Under Contract Date: 2025-08-08
Sold Date: 2025-09-09
Sold Price: $2,550,000
Exterior
Clapboard: 1
Design
Townhouse: 1
Pets Allowed
Yes: 1
Heat System
Hydro-Air: 1
Entry Hall Level/FP
1st: 1
Heat Fuel
Natural Gas: 1
Entry Hall Ceilings
Double Height: 1
Extra Height: 1
Entry Hall Comments
Grand Entrance: 1
Hardwood Floor: 1
Living Room Level/FP
1st: 1
FP: 1
Living Room Ceilings
Extra Height: 1
Attic
None: 1
Living Room Comments
French Doors: 1
Lot Description
Backlot: 1
Roof
Other: 1
Dining Room Level/FP
1st: 1
Waterfront Descrip
Waterviews: 1
Dining Room Ceilings
Coffered: 1
Extra Height: 1
Cooling System
Central Air: 1
Dining Room Comments
Formal: 1
Library/Den Level/FP
1st: 1
Library/Den Ceilings
Extra Height: 1
Water Source
Public: 1
Sanitation Source
Town Sewer: 1
Library/Den Comments
French Doors: 1
Gas Source
Public Utility: 1
Powder Room Level/FP
1st: 1
Kitchen Level/FP
1st: 1
Parking Description
Garage Under Building: 1
Kitchen Ceilings
Extra Height: 1
Kitchen Comments
Adjacent Family Room: 1
Eat-in Kitchen: 1
Primary Bdrm Level/FP
1st: 1
Primary Bdrm Ceilings
Extra Height: 1
Included
All Kitchen Applncs: 1
Washer/Dryer: 1
Primary Bdrm Comments
Walk-in Closet(s): 1
Primary Bath Level/FP
1st: 2
Primary Bth Ceilings
Extra Height: 1
Primary Bth Comments
Luxury Bath: 1
Dbl Bdrms Level/FP
2nd: 2
Dbl Bdrms Ceilings
Extra Height: 1
Bath Level/FP
2nd: 2
Laundry Level/FP
1st: 1
2nd: 1
Laundry Comments
Separate Room: 1
Other Room Level/FP
1st: 1
Other Room Ceilings
Extra Height: 1
Other Room Comments
Butler's Pantry: 1
Mudroom: 1
Other Room Level/FP 2
LL: 1
Hot Water
Gas: 1
Basement Type
Walk-Out Access: 1
Features
Auto Garage Door: 1
Balcony: 1
Double Pane Windows: 1
Elevator: 1
CC Included
Grounds Care: 1
Snow Removal: 1
Trash Removal: 1
Excluded
See Remarks: 1
Common Amenities
No Amenities: 1
Condo/Coop Info
Comm Charges: 3066
Heat Incl: No
Water Incl: No
Location Property Info
Sold Price: $2,550,000
Type: Condominium
Street #: 523
Directional: E
Street Name: Putnam
Street Suffix: Avenue
State: CT
Zip Code: 06807
County: Fairfield
Area: 4 - Cos Cob
Property ID: 08A-2021/S
# Bdrms: 3
# FBths: 3
Baths: 3.1
OfficeContract Info
Status: Closed
List Date: 2025-04-29
Property Features
Entry Hall Ceilings: Double Height; Extra Height
Entry Hall Comments: Grand Entrance; Hardwood Floor
Living Room Ceilings: Extra Height
Living Room Comments: French Doors
Dining Room Ceilings: Coffered; Extra Height
Dining Room Comments: Formal
Kitchen Ceilings: Extra Height
Kitchen Comments: Adjacent Family Room; Eat-in Kitchen
Primary Bdrm Ceilings: Extra Height
Primary Bdrm Comments: Walk-in Closet(s)
Primary Bth Ceilings: Extra Height
Primary Bth Comments: Luxury Bath
Dbl Bdrms Ceilings: Extra Height
Laundry Comments: Separate Room
Other Room Ceilings: Extra Height
Other Room Comments: Butler's Pantry; Mudroom
Design: Townhouse
Cooling System: Central Air
Heat System: Hydro-Air
Heat Fuel: Natural Gas
Hot Water: Gas
Attic: None
Basement Type: Walk-Out Access
Water Source: Public
Sanitation Source: Town Sewer
Gas Source: Public Utility
Exterior: Clapboard
Parking Description: Garage Under Building
Roof: Other
Lot Description: Backlot
Waterfront Descrip: Waterviews
Features: Auto Garage Door; Balcony; Double Pane Windows; Elevator
Included: All Kitchen Applncs; Washer/Dryer
Excluded: See Remarks
CC Included: Grounds Care; Snow Removal; Trash Removal
Common Amenities: No Amenities
Pets Allowed: Yes
Supplements
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.
Listing Office: BHHS New England Properties
Last Updated: September - 09 - 2025
Listing information comes from various sources and may not always be accurate. No representation or warranty is made as to the accuracy of this information. You should verify any information that is important to your buying decision. Greenwich Multiple Listing Service, Inc.