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Off market
  • $4,487,100

    510 Valley Rd, Cos Cob, CT 06807

    5beds
    5,328sqft
    SingleFamily
    Built in 2008
    1.76 Acres Lot
    $4,487,100 Zestimate®
    $842/sqft
    $22,653 Estimated rent

    Home value

    $4,487,100

    $4.08M - $4.94M

    $22,653/mo

    Zestimate® history
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    $22,653/mo

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    $22,653/mo

    Rent Zestimate®

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    $30,050/mo

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    $30,050/mo

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    What's special

    Exceptional Custom Construction 5300SF + unfinished LL w/10'ceiling 5-bedrooms & 4.5 baths. Built by renowned Builder Ralph Strazza & famed Architect Rudy Ridberg. Magnificently sited overlooking 365' river frontage on oversized landscaped property w/peace & tranquility, yet minutes to town. Open flr plan, great light & flow offering modern chic finishes. Brazilian Cherry Floors, Deep Moldings & 3-Fplcs. Formal LR & DR w/Butler's Pantry leading to spacious gourmet eat-in Kitchen w/center isle, custom white cabinetry, granite counters, artistic designed backsplash & top-of-line appliances. Adjacent Family Rm w/Frch drs to covered entertaining terraces w/fplc. Guest BDR Suite on 1st flr c/b Den/Office. Private Master BDR Suite + 3 BDR Suites on 2nd flr. Oversized 3-car gar & poss. pool site

    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: 5
    • Full bathrooms: 4
    • 1/2 bathrooms: 1
    Heating
    • Forced air
    Features
    • Has fireplace: Yes
    Interior area
    • Total interior livable area: 5,328 sqft

    Property

    Parking
    • Parking features: Garage - Attached
    Features
    • Exterior features: Wood
    • Has spa: Yes
    Lot
    • Size: 1.76 Acres
    Details
    • Parcel number: GREEM08B2320S

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Colonial
    Materials
    • Frame
    • Roof: Asphalt
    Condition
    • Year built: 2008

    Community & neighborhood

    Location
    • Region: Cos Cob

    Price history

    DateEventPrice
    5/1/2018Sold$3,050,000-4.5%$572/sqft
    Source: Smart MLS #170042661
    3/1/2018Pending sale$3,195,000$600/sqft
    Source: Houlihan Lawrence #101791
    1/9/2018Listed for sale$3,195,000-14.8%$600/sqft
    Source: Houlihan Lawrence #101791
    10/22/2014Listing removed$3,750,000$704/sqft
    Source: Coldwell Banker Residential Brokerage - Old Greenwich Office #89697
    9/26/2014Listed for sale$3,750,000+132%$704/sqft
    Source: Coldwell Banker Residential Brokerage - Old Greenwich Office #89697

    Public tax history

    YearProperty taxesTax assessment
    2025$28,929 +3.5%$2,340,730
    2024$27,939 +2.6%$2,340,730
    2023$27,237 +0.9%$2,340,730

    Find assessor info on the county website

    Neighborhood: 06807

    Nearby schools

    GreatSchools rating
    Sell for more on Zillow
    Get a free Zillow Showcase℠ listing and you could sell for .
    $4,487,100
    2% more+ $89,742
    With Zillow Showcase(estimated)
    $4,576,842