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Off market
  • $4,468,500

    665 River Rd, Cos Cob, CT 06807

    6beds
    5,894sqft
    SingleFamily
    Built in 1999
    3.36 Acres Lot
    $4,468,500 Zestimate®
    $758/sqft
    $23,500 Estimated rent

    Home value

    $4,468,500

    $4.07M - $4.96M

    $23,500/mo

    Zestimate® history
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    Owner options

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    $23,500/mo

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    $23,500/mo

    Rent Zestimate®

    Refinance and save

    $25,184/mo

    Est. payment

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    $25,184/mo

    Est. payment

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    What's special

    This chic modern home was designed with soaring ceilings and walls of windows for a seamless connection to the private three+ acre retreat. Clean lines, sleek custom cabinetry, natural materials and thoughtful architectural details, plus an open floor plan of connected spaces provides flexibility for everyday family living and entertaining. A wall of custom folding doors open from the gourmet kitchen & dining area to the outdoor terraces. The primary suite includes a private balcony, plus 5 additional bedrooms and 4.1 baths. Lush landscaping surround pool & spa, tennis court, nature trails and a serene pond w/waterfall. NEW roof, HVAC & driveway all in 2021. National Blue Ribbon awarded North Mianus Elementary School. Close to Greenwich shopping, restaurants & beaches.MOTIVATED SELLERS

    This property is off market, which means it's not currently listed for sale or rent on Zillow. This may be different from what's available on other websites or public sources.

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 6
    • Bathrooms: 5
    • Full bathrooms: 4
    • 1/2 bathrooms: 1
    Heating
    • Forced air
    Cooling
    • Central
    Features
    • Basement: Unfinished
    • Attic: Partial
    • Has fireplace: Yes
    Interior area
    • Total interior livable area: 5,894 sqft

    Property

    Parking
    • Total spaces: 2
    • Parking features: Garage - Attached
    Features
    • Exterior features: Stucco, Brick
    • Has spa: Yes
    • Has view: Yes
    • View description: Park
    Lot
    • Size: 3.36 Acres
    Details
    • Parcel number: GREEM12B1547S
    • Zoning: RA-1

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Contemporary
    Materials
    • Frame
    • Roof: Asphalt
    Condition
    • Year built: 1999

    Utilities & green energy

    • Water: Well

    Community & neighborhood

    Location
    • Region: Cos Cob

    Other

    Other facts
    • Cooling System: Central A/C
    • Dining Room Ceilings: Extra Height
    • Family Room Ceilings: Extra Height, Skylight
    • Kitchen Ceilings: Extra Height
    • Laundry Comments: Separate Room
    • Attic: Partial
    • Features: Terrace, Security System, Auto Garage Door, Sprinkler System, Balcony, Back Stairs, Waterfall
    • Heat System: Forced Air
    • Kitchen Comments: Eat-In Kitchen, Pantry, Gourmet, Adjacent Family Room
    • Master Bdrm Comments: Walk-in Closet(s), Master Bedroom Suite, Balcony, Dressing Room
    • Heat Fuel: Oil
    • Hot Water: Electric
    • Lot Description: Parklike, Formal Gardens
    • Water Source: Well
    • Basement Type: Partially Finished, Exterior Access
    • Master Bth Comments: Luxury Bath, Whirlpool Tub, Sep Shower
    • Excluded: Call LB
    • Design: Contemp
    • Exterior: Stucco, Brick
    • Pool: Yes
    • Living Room Comments: Built-Ins, French Doors, Wet Bar
    • Library/Den Ceilings: Extra Height
    • Family Room Comments: Adjacent Kitchen, Bay Window
    • Living Room Ceilings: Double Height
    • Gas Source: Propane
    • Library/Den Comments: Built-Ins, Pocket Door
    • Court: Yes
    • Dining Room Comments: French Doors
    • Pool Description: With Spa
    • Roof: Architectural Shngle
    • Entry Hall Ceilings: Double Height
    • Court Description: All Wthr Tennis Crt
    • Other Room Ceilings: Extra Height
    • Master Bdrm Ceilings: Tray
    • Entry Hall Comments: Limestone
    • Zoning: RA-1
    • Design Plan: Open Plan
    • SqFt Source: Taxcard
    • Outbuildings: Shed(s)
    • Other Room Ceilings 2: Extra Height

    Price history

    DateEventPrice
    8/13/2021Sold$3,535,000-1.7%$600/sqft
    Source: Smart MLS #170399062
    7/14/2021Pending sale$3,595,000$610/sqft
    Source: Berkshire Hathaway HomeServices New England Properties #111271
    6/14/2021Contingent$3,595,000$610/sqft
    Source: Greenwich MLS, Inc. #111271
    6/2/2021Price change$3,595,000-6%$610/sqft
    Source: Greenwich MLS, Inc. #111271
    5/7/2021Listed for sale$3,825,000-8.9%$649/sqft
    Source: Greenwich MLS, Inc. #111271

    Public tax history

    YearProperty taxesTax assessment
    2025$31,267 +3.5%$2,529,870
    2024$30,197 +2.6%$2,529,870
    2023$29,438 +0.9%$2,529,870

    Find assessor info on the county website

    Neighborhood: 06807

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: North Mianus
    • Middle: Eastern

    Source: The MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

    Sell for more on Zillow
    Get a free Zillow Showcase℠ listing and you could sell for .
    $4,468,500
    2% more+ $89,370
    With Zillow Showcase(estimated)
    $4,557,870