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Off market
    • $4,846,600

    510 Valley Rd, Cos Cob, CT 06807

    5beds
    5,328sqft
    SingleFamily
    Built in 2008
    1.76 Acres Lot
    $4,846,600 Zestimate®
    $910/sqft
    $-- Estimated rent

    Home value

    $4,846,600

    $4.41M - $5.33M

    Not available

    Zestimate® history
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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 not currently displayed as for sale or rent on Zillow. This may be different from what's 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 & HOA

    Location
    • Region: Cos Cob

    Financial & listing details

    • Price per square foot: $910/sqft
    • Tax assessed value: $2,340,730
    • Annual tax amount: $28,929

    Price history

    DateEventPrice
    5/1/2018Sold$3,050,000-4.5%$572/sqft
    Source: Smart MLS #170042661 Report a problem
    3/1/2018Pending sale$3,195,000$600/sqft
    Source: Houlihan Lawrence #101791 Report a problem
    1/9/2018Listed for sale$3,195,000-14.8%$600/sqft
    Source: Houlihan Lawrence #101791 Report a problem
    10/22/2014Listing removed$3,750,000$704/sqft
    Source: Coldwell Banker Residential Brokerage - Old Greenwich Office #89697 Report a problem
    9/26/2014Listed for sale$3,750,000+132%$704/sqft
    Source: Coldwell Banker Residential Brokerage - Old Greenwich Office #89697 Report a problem
    7/26/2005Sold$1,616,548$303/sqft
    Source: Public Record Report a problem

    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
    2022$26,989 -8.5%$2,340,730 -4.4%
    2021$29,491 +6%$2,449,440 +5.9%
    2020$27,813 -1%$2,313,920
    2019$28,091 +5.5%$2,313,920 +3.1%
    2018$26,639 -1.2%$2,244,200
    2017$26,973 +21.3%$2,244,200 +20.3%
    2015$22,240 +2.6%$1,865,010
    2014$21,681 +2.8%$1,865,010
    2013$21,093 +2.8%$1,865,010
    2012$20,515 +3.4%$1,865,010
    2011$19,844 -1.4%$1,865,010 -16.2%
    2010$20,126 +55.9%$2,226,280 +50.8%
    2009$12,907 +34%$1,476,790 +29.4%
    2008$9,632 +3.6%$1,141,210
    2007$9,301 +3.8%$1,141,210
    2006$8,958 +14.6%$1,141,210 +76.5%
    2005$7,819 +8.7%$646,730
    2004$7,192 +3.5%$646,730
    2003$6,952 +7.8%$646,730 +87.5%
    2001$6,449 +5.6%$344,890
    2000$6,105 -4.6%$344,890
    1999$6,398 $344,890
    Find assessor info on the county website

    Neighborhood: 06807

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    GreatSchools rating
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    $4,846,600
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    +$96,932
    With Zillow Showcase(estimated)
    $4,943,532
    Sell for more on Zillow
    Get a Zillow Showcase℠ listing at no additional cost and you could sell for .
    $4,846,600
    2% more
    +$96,932
    With Zillow Showcase(estimated)
    $4,943,532

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