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Sold for $1,810,000
  • $1,810,000

    21 Sound Beach Ave, Old Greenwich, CT 06870

    3beds
    1,690sqft
    Residential, Single Family Residence
    Built in 1941
    10,018 Square Feet Lot
    $1,827,900 Zestimate®
    $1,071/sqft
    $7,730 Estimated rent

    Home value

    $1,827,900

    $1.65M - $2.03M

    $7,730/mo

    Zestimate® history
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    What's special

    The best of Coastal New England! This charming home set on .23 acre is close to village of Old Greenwich, Binney Park, Train and Tod's Point. Beautifully appointed and renovated with open floor plan and hardwood floors throughout. Spacious and bright family Room adjoins gourmet kitchen opening to large deck overlooking spacious backyard perfect for entertaining and play. First floor has dining room and formal living room anchored by wood burning fireplace & office space. 3 generously sized bedrooms on second floor with exercise and office options. New Central air throughout, new windows, new bathrooms with laundry on 1st floor and new roof. Fully unfurnished basement with extra laundry and walk up attic. 1 car attached garage. International School at Dundee and Eastern Middle School.

    Zillow last checked:

    Listing updated:

    Listed by:

    Mary Jones 203-249-2950,

    Sotheby's International Realty

    Bought with:

    Jen Danzi, REB.0795133

    Jennifer M Danzi, Broker

    Source: Greenwich MLS, Inc.,MLS#: 124659MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 3
    • Bathrooms: 2
    • Full bathrooms: 1
    • 1/2 bathrooms: 1
    Heating
    • Natural Gas, Hot Water
    Cooling
    • Central Air
    Features
    • Windows: Double Pane Windows
    • Basement: Full
    • Number of fireplaces: 1
    Interior area
    • Total structure area: 1,690
    • Total interior livable area: 1,690 sqft

    Property

    Parking
    • Total spaces: 1
    • Parking features: Garage
    • Garage spaces: 1
    Features
    • Patio & porch: Deck
    • Exterior features: Gas Grill
    Lot
    • Size: 10,018 Square Feet
    • Features: Level
    Details
    • Parcel number: 051806/S
    • Zoning: R-7

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Cottage
    • Property subtype: Residential, Single Family Residence
    Materials
    • Vinyl Siding
    • Roof: Shingle
    Condition
    • Year built: 1941
    • Major remodel year: 2022

    Utilities & green energy

    • Water: Public

    Community & HOA

    Community
    • Security: Security System
    Location
    • Region: Old Greenwich

    Financial & listing details

    • Price per square foot: $1,071/sqft
    • Tax assessed value: $777,770
    • Annual tax amount: $9,612
    • Date on market: 4/9/2026
    • Inclusions: Washer/Dryer, All Kitchen Applncs

    Price history

    DateEventPrice
    5/15/2026Sold$1,810,000+4.9%$1,071/sqft
    Source: Greenwich MLS, Inc. #124659 Report a problem
    4/16/2026Pending sale$1,725,000$1,021/sqft
    Source: Greenwich MLS, Inc. #124659 Report a problem
    4/9/2026Listed for sale$1,725,000+80.3%$1,021/sqft
    Source: Greenwich MLS, Inc. #124659 Report a problem
    5/27/2025Listing removed$8,000$5/sqft
    Source: Zillow Rentals Report a problem
    5/9/2025Listed for rent$8,000+6.7%$5/sqft
    Source: Zillow Rentals Report a problem
    5/10/2024Listing removed--
    Source: Zillow Rentals Report a problem
    4/19/2024Listed for rent$7,500$4/sqft
    Source: Zillow Rentals Report a problem
    4/16/2020Sold$957,000+1.3%$566/sqft
    Source: Greenwich MLS, Inc. #108818 Report a problem
    4/8/2020Pending sale$945,000$559/sqft
    Source: Coldwell Banker Res Brokerage #170271431 Report a problem
    2/12/2020Listed for sale$945,000+38%$559/sqft
    Source: Coldwell Banker Residential Brokerage - Old Greenwich Office #108818 Report a problem
    8/7/2012Sold$685,000-8.1%$405/sqft
    Source: Public Record Report a problem
    4/18/2012Price change$745,000-4.4%$441/sqft
    Source: William Raveis Real Estate #81448 Report a problem
    2/28/2012Listed for sale$779,000+102.3%$461/sqft
    Source: William Raveis Real Estate #81448 Report a problem
    5/5/1998Sold$385,000$228/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$9,612 +3.5%$777,770
    2024$9,283 +2.6%$777,770
    2023$9,050 +0.9%$777,770
    2022$8,968 +6.3%$777,770 +11%
    2021$8,438 +0.2%$700,840
    2020$8,424 -0.8%$700,840 +0.2%
    2019$8,489 +2.3%$699,230
    2018$8,300 -1.2%$699,230
    2017$8,404 +6.7%$699,230 +5.9%
    2015$7,873 +2.6%$660,170
    2014$7,674 +2.8%$660,170
    2013$7,467 +2.8%$660,170
    2012$7,262 +3.4%$660,170
    2011$7,024 -5.5%$660,170 -19.7%
    2010$7,434 +3.4%$822,360
    2009$7,187 +3.5%$822,360
    2008$6,941 +3.6%$822,360
    2007$6,702 $822,360
    Find assessor info on the county website

    Neighborhood: Riverside

    Nearby schools

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

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

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