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89 River Road 304Cos Cob, CT 06807

For Sale

$2,195,000

Smart Buyer Rebate $21,950

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.

Listed by Rob Johnson

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License #RES.0797016

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Brown Harris Stevens CT, LLC

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203-979-2360

Last updated September 14, 2026

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Source: FlexMLS #125799

Listing Facts

  • TypeCondo
  • NeighborhoodCos Cob
  • Bedrooms1
  • Bathrooms1.5
  • Days on Prevu1
  • Taxes$11,530/year
  • Size1,088 sqft
  • Price per sqft$2,017

Amenities

  • Private Outdoor Space
  • Washer/Dryer
  • Air Conditioning
  • Elevator
  • Parking

Location

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Listing History

09/14/2026
Listed by Brown Harris Stevens CT, LLC
$2,195,000
  1. 09/14/2026$2,195,000
    Listed by Brown Harris Stevens CT, LLC

Property Details for 89 River Road 304

Association

Amenities

  • Association Amenities: Exercise Room

Fees

  • Association Fee Includes: Trash, Snow Removal, Grounds Care

Exterior

Construction

  • Roof: Shake, Wood
  • Window Features: Double Pane Windows
  • Year Built: 2022
  • Architectural Style: Other
  • Construction Materials: Shake Siding, Cedar
  • Exterior Features: Boat Slip

Features

  • Patio And Porch Features: Terrace
  • Waterfront Features: Deep Water
  • Waterfront: Yes

Measurements

  • Building Area Total: 1,088

Financial

Taxes

  • Parcel Number: 08A-2070
  • Tax Annual Amount: $11,530.00
  • Tax Assessed Value: $932,890.00

Interior

Features

  • Interior Features: Elevator

Rooms

  • Bathrooms Full: 1
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 1

Other

Location

  • City Region: Cos Cob

Parking

Parking

  • Garage Spaces: 2
  • Parking Features: Assigned

Schools

Elementary School

  • Elementary School: Cos Cob

Middle or Junior School

  • Middle Or Junior School: Central

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Heating: Forced Air, Electric
  • Has Heating: Yes
  • Other Equipment: Generator
  • Sewer: Town Sewer
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this condo have?

There is 1 bedroom and 1.5 bathrooms in this condo at 89 River Road 304.

What schools are nearby to 89 River Road 304?

Nearby schools include the Cos Cob Elementary School and Central Middle School.

Does this condo have parking?

Yes, there are 2 parking spaces available for 89 River Road 304.

What are the annual taxes for 89 River Road 304?

Annual taxes for this condo are estimated at $11,530.

How does 89 River Road 304 compare to other condos in Cos Cob?

This condo is listed 177% above the average price for condos in Cos Cob and has been on the market for 57 less days than the typical home in this area.

What is the square footage on this condo?

According to the MLS, this listing is 1,088 sqft.

89 River Road 304 is a 1-bedroom, 1.5-bath condo for sale in Cos Cob CT 06807. On Prevu for 1 days at $2,195,000. This residence features 1,088 square feet of living space, located in Cos Cob. The median listing price for condos in this area is $2,499,000. Nearby schools include Cos Cob Elementary School and Central Middle School. Property amenities include private outdoor space, elevator, air conditioning, parking, and washer/dryer. Browse more condo listings in Fairfield County.

Based on information from Greenwich Multiple Listing Service, Inc. and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.