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Sold for $2,499,000
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    • $2,499,000

    10 Steep Hollow Ln, Cos Cob, CT 06807

    4beds
    3,852sqft
    Residential, Single Family Residence
    Built in 1953
    2 Acres Lot
    $2,499,600 Zestimate®
    $649/sqft
    $10,567 Estimated rent

    Home value

    $2,499,600

    $2.27M - $2.75M

    $10,567/mo

    Zestimate® history
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    What's special

    Tucked away in a private Cos Cob setting, this thoughtfully designed home offers easy single-level living with a flexible second-floor bonus space perfect for a home office, gym, media room or playroom. Sunlit interiors include a welcoming foyer, spacious living room with a wood-burning fireplace, & a stunning glass sunroom that brings the outdoors in. The dining room flows into an eat-in kitchen with a charming greenhouse breakfast nook. A home office, wet bar, powder room, laundry & attached two-car garage add everyday convenience. The bedroom wing features a spacious primary suite, two additional bedrooms, a hall bath, and a fourth bedroom with direct access to the fenced deck, sparkling pool and inviting outdoor entertaining spaces--all just moments from the best of Cos Cob. Sold As Is

    Zillow last checked:

    Listing updated:

    Listed by:

    Fiona Porter 203-434-0493,

    Keller Williams Prestige Props

    Bought with:

    Elsa Ferreira, RES.0803741

    Houlihan Lawrence

    Source: Greenwich MLS, Inc.,MLS#: 125420MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 4
    • Bathrooms: 3
    • Full bathrooms: 2
    • 1/2 bathrooms: 1
    Heating
    • Combination, Oil
    Cooling
    • Partial A/C, Wall Unit(s)
    Appliances
    • Laundry: In Kitchen
    Features
    • Eat-in Kitchen
    • Basement: None
    • Number of fireplaces: 1
    Interior area
    • Total structure area: 3,852
    • Total interior livable area: 3,852 sqft

    Property

    Parking
    • Total spaces: 2
    • Parking features: Off Street, Garage Door Opener
    • Garage spaces: 2
    Features
    • Patio & porch: Screened, Deck
    • Has private pool: Yes
    • Fencing: Fenced
    Lot
    • Size: 2 Acres
    • Features: Level
    Details
    • Additional structures: Shed(s)
    • Parcel number: 083381
    • Zoning: RA-2
    • Other equipment: Generator

    Construction

    Type & style
    • Home type: SingleFamily
    • Property subtype: Residential, Single Family Residence
    Materials
    • See Remarks
    • Roof: Asphalt,Other
    Condition
    • Year built: 1953
    • Major remodel year: 2025

    Utilities & green energy

    • Sewer: Septic Tank
    • Water: Public
    • Utilities for property: Cable Connected

    Community & HOA

    Location
    • Region: Cos Cob

    Financial & listing details

    • Price per square foot: $649/sqft
    • Tax assessed value: $1,112,930
    • Annual tax amount: $13,400
    • Date on market: 7/10/2026
    • Inclusions: Washer/Dryer, All Kitchen Applncs

    Price history

    DateEventPrice
    9/21/2026Sold$2,499,000$649/sqft
    Source: Greenwich MLS, Inc. #125420 Report a problem
    8/11/2026Pending sale$2,499,000$649/sqft
    Source: Smart MLS #24188875 Report a problem
    7/10/2026Listed for sale$2,499,000+67.2%$649/sqft
    Source: Smart MLS #24188875 Report a problem
    6/16/2004Sold$1,495,000$388/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$13,400 +2.8%$1,112,930
    2024$13,032 +2.8%$1,112,930
    2023$12,676 +1%$1,112,930
    2022$12,554 +2.1%$1,112,930 +4.9%
    2021$12,291 $1,060,500
    2020$12,291 -0.8%$1,060,500
    2019$12,387 +3.5%$1,060,500 +0.8%
    2018$11,963 $1,052,170
    2017$11,963 -8.5%$1,052,170 -9.3%
    2015$13,081 +2.7%$1,160,670
    2014$12,733 +2.7%$1,160,670
    2013$12,396 -2.9%$1,160,670
    2012$12,767 +8.8%$1,160,670
    2011$11,734 -11.5%$1,160,670 -24.8%
    2010$13,261 +4.4%$1,543,780 +1%
    2009$12,703 +3.4%$1,528,660
    2008$12,290 +3.6%$1,528,660
    2007$11,862 +3.5%$1,528,660
    2006$11,465 +0.9%$1,528,660 +54.9%
    2005$11,360 +3.5%$986,930
    2004$10,975 +3.4%$986,930
    2003$10,609 +32.7%$986,930 +130.8%
    2001$7,995 $427,560
    Find assessor info on the county website

    Neighborhood: Cos Cob

    Nearby homes

    Nearby schools

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

    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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    Sell for more on Zillow
    Get a Zillow Showcase℠ listing at no additional cost and you could sell for .
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    With Zillow Showcase(estimated)
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