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681 River RoadCos Cob, CT 06807

For Sale

$2,750,000

Smart Buyer Rebate $27,500

Chalet d'Amour

You've never seen a house like this. An architecturally crafted contemporary on 2.32 private acres across from Mianus River Park. Soaring vaulted ceilings, two stone fireplaces, walls of glass, and light that pours in from every angle.

A first-floor primary suite with cathedral ceiling, dual baths, dual walk-in closets, and a grand whirlpool tub beneath peaked windows. Three more bedrooms upstairs, all en suite -- one with a sauna shower. Five full baths and a half bath throughout. Open kitchen flows to living and dining. An expansive deck overlooks a completely private backyard -- and the front yard is just as secluded. Full basement. Three-car garage. Room to do anything.

North Mianus, Eastern, Greenwich High. With sky in every direction, you'd swear you were some you were somewhere in the Alps -- not minutes to town and train.

You may never see a house like this again. In all of 2025, not a single home in Greenwich with 2+ acres, 3,500+ square feet, post-1985 construction, and no wetland sold for less than $3.6 million. The median was $6.5 million. At $2.75M, you're still $850,000 below that floor -- enough to redo the kitchen, the roof, the deck, whatever you want, and still pay less than anyone else did in 2025.

A love letter written in stone, glass, and light -- yours to make perfect.

Listed by Paula Waldman

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License #RES.0757893

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BHHS New England Properties

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203-273-1563

Last updated April 13, 2026

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Source: FlexMLS #124081

Listing Facts

  • TypeSingle-family
  • NeighborhoodHillcrest Park
  • Bedrooms4
  • Bathrooms4.5
  • Days on Prevu142
  • Taxes$17,174/year
  • Size3,826 sqft
  • Price per sqft$719

Amenities

  • Washer/Dryer
  • Air Conditioning
  • Parking

Location

Mortgage Calculator

Listing History

04/13/2026
Price Increased
$2,750,000
04/03/2026
Price Decreased
$2,475,000
03/25/2026
Price Decreased
$2,575,000
03/11/2026
Price Decreased
$2,675,000
03/02/2026
Price Increased
$3,000,000
12/11/2025
Listed by BHHS New England Properties
$2,695,000

Property Details for 681 River Road

Exterior

Construction

  • Roof: Asphalt
  • Year Built: 1986
  • Architectural Style: Contemporary
  • Construction Materials: Wood Siding

Features

  • Patio And Porch Features: Deck

Measurements

  • Building Area Total: 3,826
  • Lot Features: Backlot, Parklike
  • Lot Size Acres: 2.32
  • Lot Size Area: 2
  • Lot Size Square Feet: 101,059
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 12-1549/S
  • Tax Annual Amount: $17,174.00
  • Tax Assessed Value: $1,389,570.00

Interior

Features

  • Fireplace: Yes
  • Fireplaces Total: 2
  • Interior Features: Kitchen Island, Eat-in Kitchen, Sep Shower, Whirlpool Tub

Rooms

  • Basement: Full, Unfinished
  • Bathrooms Full: 4
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 5
  • Bedrooms Total: 4

Other

Location

  • City Region: Cos Cob

Parking

Parking

  • Garage Spaces: 3
  • Parking Features: Attached Garage, Garage Door Opener

Schools

Elementary School

  • Elementary School: North Mianus

Middle or Junior School

  • Middle Or Junior School: Eastern

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Heating: Forced Air, Oil
  • Has Heating: Yes
  • Sewer: Town Sewer
  • Water Source: Well

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 4 bedrooms and 4.5 bathrooms in this single-family home at 681 River Road.

What schools are nearby to 681 River Road?

Nearby schools include the North Mianus Elementary School and Eastern Middle School.

Does this single-family home have parking?

Yes, there are 3 parking spaces available for 681 River Road.

What are the annual taxes for 681 River Road?

Annual taxes for this single-family home are estimated at $17,174.

How does 681 River Road compare to other single-family homes in Fairfield County?

This single-family home is listed 4% below the average price for single-family homes in Fairfield County and has been on the market for 77 more days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 3,826 sqft.

681 River Road is a 4-bedroom, 4.5-bath single-family home for sale in Cos Cob CT 06807. Listed on Prevu for 142 days at $2,750,000. This includes a recent price increase of $275,000. This property features 3,826 square feet of living space, located in Fairfield County. The median listing price for single-family homes in this area is $799,900. Nearby schools include North Mianus Elementary School and Eastern Middle School. The home offers air conditioning, parking, and washer/dryer. Explore more single-family home 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.