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Off market
  • $4,473,400

    21 Benenson Dr, Cos Cob, CT 06807

    5beds
    5,946sqft
    SingleFamily
    Built in 1965
    2.25 Acres Lot
    $4,473,400 Zestimate®
    $752/sqft
    $24,382 Estimated rent

    Home value

    $4,473,400

    $4.03M - $5.05M

    $24,382/mo

    Zestimate® history
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    $24,382/mo

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    Rent Zestimate®

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    $25,212/mo

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    $25,212/mo

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    What's special

    Renovated and expanded in 2017, this gracious home is designed with style and comfort. Set back on 2.25 acres this TURN KEY home offers indoor and outdoor entertaining. Heated pool with abundant decking and 2 outdoor showers provide hours of summer fun. A gas fire pit provides a cozy outdoor space to enjoy family and friends year round. Private, lush with specimen plantings it borders conservation land with miles of hiking trails behind. A sound system runs both inside and outdoorsGourmet kitchen with high end appliances, new Master suite with custom built dressing rooms and,en suite bedrooms are just a few of the improvements.made by the current owners. Oversize mudroom with custom built ins, laundry room with double washers and dryers,butlers pantry w. wine fridge,

    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: 5
    • Bathrooms: 7
    • Full bathrooms: 6
    • 1/2 bathrooms: 1
    Heating
    • Forced air, Gas
    Cooling
    • Central
    Appliances
    • Included: Dishwasher, Dryer, Freezer, Microwave, Range / Oven, Refrigerator, Washer
    Features
    • Basement: Finished
    • Has fireplace: Yes
    Interior area
    • Total interior livable area: 5,946 sqft

    Property

    Parking
    • Total spaces: 2
    • Parking features: Garage - Attached
    Features
    • Exterior features: Wood
    • Has view: Yes
    • View description: Park
    Lot
    • Size: 2.25 Acres
    Details
    • Parcel number: GREEM08AB1211
    • Zoning: RA-2

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Colonial
    Materials
    • Frame
    • Roof: Asphalt
    Condition
    • Year built: 1965

    Utilities & green energy

    • Water: Public

    Community & neighborhood

    Location
    • Region: Cos Cob

    Other

    Other facts
    • Exterior: Clapboard
    • Cooling System: Central A/C
    • Family Room Ceilings: Extra Height
    • Laundry Comments: Separate Room
    • Heat Fuel: Gas
    • Gas Source: Public Utility
    • Hot Water: Gas
    • Water Source: Public
    • Design: Colonial
    • Features: Terrace, Security System, Auto Garage Door, Sprinkler System, Deck, Back Stairs, Smoke Alarm
    • Heat System: Forced Air
    • Lot Description: Parklike, Backlot
    • Basement Type: Finished, Walkout
    • Master Bth Comments: Luxury Bath, Updated in Past 5 Yr
    • Pool: Yes
    • Entry Hall Comments: Hardwood Floor
    • Dining Room Comments: Formal
    • Master Bdrm Comments: Master Bedroom Suite
    • Living Room Comments: French Doors
    • Kitchen Comments: Gourmet, Adjacent Family Room
    • Pool Description: Heated
    • Family Room Comments: Built-Ins
    • Master Bdrm Ceilings: Tray
    • Library/Den Comments: Bookshelves
    • Zoning: RA-2
    • Design Plan: Traditional
    • SqFt Source: Taxcard
    • Roof: Asphalt

    Price history

    DateEventPrice
    8/31/2020Sold$2,900,000-9.2%$488/sqft
    Source: Greenwich MLS, Inc. #106336 Report a problem
    2/27/2020Listed for sale$3,195,000$537/sqft
    Source: Coldwell Banker Residential Brokerage - Greenwich Office #106336 Report a problem
    12/3/2019Listing removed$3,195,000$537/sqft
    Source: Coldwell Banker Residential Brokerage - Greenwich Office #106336 Report a problem
    9/10/2019Price change$3,195,000-5.9%$537/sqft
    Source: Coldwell Banker Residential Brokerage - Greenwich Office #106336 Report a problem
    4/26/2019Listed for sale$3,395,000$571/sqft
    Source: Coldwell Banker Residential Brokerage - Greenwich Office #106336 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$24,700 +2.8%$2,051,490
    2024$24,023 +4.5%$2,051,490 +1.6%
    2023$22,997 +3.6%$2,019,080 +2.6%
    2022$22,190 +4.6%$1,967,210 +7.5%
    2021$21,205 $1,829,590
    2020$21,205 -0.8%$1,829,590
    2019$21,370 +2.7%$1,829,590
    2018$20,802 +3.4%$1,829,590 +3.4%
    2017$20,112 -6.7%$1,768,900 -7.6%
    2015$21,565 +2.7%$1,913,450
    2014$20,991 +2.7%$1,913,450
    2013$20,436 -2.9%$1,913,450
    2012$21,048 +8.8%$1,913,450
    2011$19,345 -1.6%$1,913,450 -16.4%
    2010$19,669 +9.3%$2,289,700 +5.7%
    2009$17,999 +47.1%$2,165,940 +42.4%
    2008$12,232 +3.6%$1,521,380
    2007$11,806 -1.1%$1,521,380
    2006$11,943 +18.6%$1,521,380 +82.6%
    2005$10,072 +8.7%$833,070
    2004$9,264 +3.4%$833,070
    2003$8,956 +10.6%$833,070 +92.5%
    2001$8,094 +5.7%$432,810
    2000$7,661 -4.6%$432,810
    1999$8,029 $432,810

    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.

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    $4,473,400
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    With Zillow Showcase(estimated)
    $4,562,868