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Off market
  • $3,733,100

    340 Cognewaugh Rd, Cos Cob, CT 06807

    4beds
    6,400sqft
    SingleFamily
    Built in 2021
    1.01 Acres Lot
    $3,733,100 Zestimate®
    $583/sqft
    $17,679 Estimated rent

    Home value

    $3,733,100

    $3.43M - $4.11M

    $17,679/mo

    Zestimate® history
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    Owner options

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    $17,679/mo

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    $17,679/mo

    Rent Zestimate®

    Refinance and save

    $25,147/mo

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    $25,147/mo

    Est. payment

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    What's special

    This 6400 square foot single family home has 4 bedrooms and 7.0 bathrooms. This home is located at 340 Cognewaugh Rd, Cos Cob, CT 06807.

    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: 4
    • Bathrooms: 7
    • Full bathrooms: 4
    • 1/2 bathrooms: 3
    Heating
    • Forced air
    Features
    • Basement: Unfinished
    • Attic: Finished
    Interior area
    • Total interior livable area: 6,400 sqft

    Property

    Parking
    • Total spaces: 2
    • Parking features: Garage - Attached
    Features
    • Exterior features: Wood
    Lot
    • Size: 1.01 Acres
    Details
    • Parcel number: GREEM08B2341
    • Zoning: RA-2

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Colonial
    Materials
    • Frame
    • Roof: Asphalt
    Condition
    • Year built: 2021

    Utilities & green energy

    • Water: Well

    Community & neighborhood

    Location
    • Region: Cos Cob

    Other

    Other facts
    • Heat System: Hydro-Air
    • Cooling System: Central A/C
    • Entry Hall Ceilings: Extra Height, Coffered
    • Living Room Ceilings: Extra Height
    • Dining Room Ceilings: Extra Height
    • Family Room Ceilings: Extra Height
    • Powder Room Ceilings: Extra Height
    • Kitchen Ceilings: Extra Height, Double Height
    • Master Bdrm Ceilings: Extra Height, Beamed
    • Laundry Comments: Separate Room
    • Hot Water: Gas
    • Lot Description: Level, Corner
    • Design: Colonial
    • Master Bdrm Comments: Walk-in Closet(s), Balcony, Multi-Closets
    • Water Source: Well
    • Basement Type: Finished
    • Features: Auto Garage Door, Deck, Fenced Yard, Generator, Gas Grill, Cat 5/6 Wiring, Water Softener
    • Master Bth Ceilings: Extra Height
    • Master Bth Comments: Luxury Bath, Sep Shower
    • Dbl Bdrms Ceilings: Extra Height
    • Laundry Ceilings: Extra Height
    • Bath Ceilings: Extra Height
    • Entry Hall Comments: Hardwood Floor
    • Family Room Comments: Adjacent Kitchen
    • Heat Fuel: Propane
    • Kitchen Comments: Breakfast Room
    • Dining Room Comments: French Doors
    • Attic: Finished
    • Other Room Comments: Mudroom
    • Zoning: RA-2
    • Design Plan: Open Plan
    • SqFt Source: Architect
    • Roof: Asphalt
    • Exterior: Shingle Siding

    Price history

    DateEventPrice
    2/1/2022Sold$2,700,000$422/sqft
    Source: Greenwich MLS, Inc. #112140
    12/27/2021Pending sale$2,700,000$422/sqft
    Source: Greenwich MLS, Inc. #112140
    11/24/2021Contingent$2,700,000$422/sqft
    Source: Greenwich MLS, Inc. #112140
    10/29/2021Price change$2,700,000-5.2%$422/sqft
    Source: Greenwich MLS, Inc. #112140
    10/8/2021Price change$2,849,000-1.7%$445/sqft
    Source: Greenwich MLS, Inc. #112140

    Public tax history

    YearProperty taxesTax assessment
    2025$21,641 +2.8%$1,797,390
    2024$21,047 +2.8%$1,797,390
    2023$20,472 +27.6%$1,797,390 +26.3%

    Find assessor info on the county website

    Neighborhood: Cos Cob

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: North Street
    • Middle: Central

    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 .
    $3,733,100
    2% more+ $74,662
    With Zillow Showcase(estimated)
    $3,807,762