89 River Rd Unit 304 Cos Cob, CT 06807
Cos Cob AreaEstimated payment $12,610/month
Highlights
- Boat Slip
- Fitness Center
- Waterfront
- Cos Cob School Rated A
- Deep Water Access
- Terrace
About This Home
The perfect waterfront pied-à-terre with deeded 40' boat slip. The Residences at RowAmerica Greenwich is a twelve-unit boutique modern luxury condo development on Cos Cob Harbor. Unit 304 is a light-filled, top-floor, 1,088 SF 1BR + den/1.5BA with river views. The den functions as a home office or full second bedroom via a rotating Resource Furniture Murphy bed that doubles as a library wall. The open kitchen and living area feel loft-like, with an oversized private waterfront terrace accessed through a pair of insulated and screened French doors. Interior finishes include extensive custom millwork, marble baths, wide-plank oak floors, in-unit laundry, and a chef's kitchen with Wolf, Sub-Zero, and Miele appliances. Building amenities: furnished rooftop terrace with grill, two covered parking spaces, and access to the RowAmerica fitness facility and event space (separate membership). The adjacent boat slip sits on a private marina on the Mianus River with easy access to Long Island Sound. The Greenwich Water Club next door offers pool, dining, and additional amenities via membership. A furnished sale option is also available. A rare, turnkey waterfront lifestyle opportunity in Greenwich.
Listing Agent
Brown Harris Stevens CT, LLC License #RES.0797016 Listed on: 09/14/2026
Property Details
Home Type
- Condominium
Est. Annual Taxes
- $11,530
Year Built
- Built in 2022
Lot Details
- Waterfront
Parking
- 2 Car Garage
- Assigned Parking
Home Design
- Shake Roof
- Wood Roof
- Cedar
Interior Spaces
- 1,088 Sq Ft Home
- Fireplace
- Double Pane Windows
- Home Office
- Stacked Washer and Dryer
Bedrooms and Bathrooms
- 1 Bedroom
Outdoor Features
- Deep Water Access
- Boat Slip
- Terrace
Utilities
- Forced Air Heating and Cooling System
- Power Generator
- Electric Water Heater
Listing and Financial Details
- Assessor Parcel Number 08A-2070
Community Details
Overview
- Property has a Home Owners Association
- Association fees include trash, snow removal, grounds care
Recreation
- Fitness Center
Map
Home Values in the Area
Average Home Value in this Area
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 09/14/2026 09/14/26 | For Sale | $2,195,000 | +48.8% | $2,017 / Sq Ft | |
| 04/21/2023 04/21/23 | Sold | $1,475,000 | -4.5% | $1,356 / Sq Ft | View Prior Sale |
| 03/29/2023 03/29/23 | Pending | -- | -- | -- | |
| 03/03/2023 03/03/23 | For Sale | $1,545,000 | -- | $1,420 / Sq Ft |
Source: Greenwich Association of REALTORS®
MLS Number: 125799
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Ask me questions while you tour the home.