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Sold for $1,450,000
    • $1,450,000

    21 Windsor Ln, Cos Cob, CT 06807

    4beds
    2,412sqft
    Residential, Single Family Residence
    Built in 1982
    0.28 Acres Lot
    $1,450,700 Zestimate®
    $601/sqft
    $8,475 Estimated rent

    Home value

    $1,450,700

    $1.32M - $1.60M

    $8,475/mo

    Zestimate® history
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    What's special

    Quiet streetSunfilled open plan
    North Mianus School, Eastern Middle School. Come reimagine this home and make it yours. Sunfilled open plan 1982 Construction home. 4 BDRM, 3 BATH, FP and extra large 15' by 30' Family room /FP on first floor. 2412 sqft with room for expansion to this R-7 home on .277 of an acre. FAR is .315 Quiet street, connects to sidewalks on Valley Road. This won't last!

    Zillow last checked:

    Listing updated:

    Listed by:

    Nancy Chin 203-829-6566,

    Park Allyn Realty Associates,

    Bought with:

    Julia Allan, RES.0810048

    Houlihan Lawrence

    Source: Greenwich MLS, Inc.,MLS#: 125359MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 4
    • Bathrooms: 3
    • Full bathrooms: 3
    Heating
    • Natural Gas, Forced Air
    Cooling
    • Central Air
    Appliances
    • Laundry: Laundry Room
    Features
    • Eat-in Kitchen, Entrance Foyer
    • Number of fireplaces: 1
    Interior area
    • Total structure area: 2,412
    • Total interior livable area: 2,412 sqft

    Property

    Parking
    • Total spaces: 2
    • Parking features: Garage Door Opener
    • Garage spaces: 2
    Lot
    • Size: 0.28 Acres
    Details
    • Parcel number: 08A1334/S
    • Zoning: R-12

    Construction

    Type & style
    • Home type: SingleFamily
    • Property subtype: Residential, Single Family Residence
    Materials
    • Wood Siding
    • Roof: Asphalt
    Condition
    • Year built: 1982

    Utilities & green energy

    • Water: Public

    Community & HOA

    Location
    • Region: Cos Cob

    Financial & listing details

    • Price per square foot: $601/sqft
    • Tax assessed value: $816,690
    • Annual tax amount: $8,562
    • Date on market: 6/25/2026
    • Inclusions: Washer/Dryer, All Kitchen Applncs

    Price history

    DateEventPrice
    9/10/2026Sold$1,450,000$601/sqft
    Source: Greenwich MLS, Inc. #125359 Report a problem
    8/5/2026Pending sale$1,450,000$601/sqft
    Source: Greenwich MLS, Inc. #125359 Report a problem
    6/25/2026Listed for sale$1,450,000+52.5%$601/sqft
    Source: Greenwich MLS, Inc. #125359 Report a problem
    1/10/2017Sold$951,000$394/sqft
    Source: Agent Provided Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$7,696 +3.5%$622,720
    2024$7,433 +2.6%$622,720
    2023$7,246 +0.9%$622,720
    2022$7,180 +0.1%$622,720 +4.6%
    2021$7,170 +0.2%$595,490
    2020$7,158 -1%$595,490
    2019$7,229 +2.3%$595,490
    2018$7,068 -1.2%$595,490
    2017$7,157 -2%$595,490 -2.8%
    2015$7,306 +2.6%$612,640
    2014$7,122 +2.8%$612,640
    2013$6,929 +2.8%$612,640
    2012$6,739 +3.4%$612,640
    2011$6,518 +3.3%$612,640 -12.3%
    2010$6,312 +3.4%$698,180
    2009$6,102 +3.5%$698,180
    2008$5,893 +3.6%$698,180
    2007$5,690 +3.8%$698,180
    2006$5,481 +63.3%$698,180 +139.4%
    2005$3,357 -42.2%$291,690 -44.1%
    2004$5,807 +3.4%$522,200
    2003$5,614 +154%$522,200 +341.9%
    2001$2,210 +5.7%$118,160
    2000$2,091 -4.6%$118,160
    1999$2,192 $118,160
    Find assessor info on the county website

    Neighborhood: Cos Cob

    Nearby homes

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: North Mianus
    • 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.

    Sell for more on Zillow
    Get a Zillow Showcase℠ listing at no additional cost and you could sell for .
    $1,450,700
    2% more
    +$29,014
    With Zillow Showcase(estimated)
    $1,479,714
    Sell for more on Zillow
    Get a Zillow Showcase℠ listing at no additional cost and you could sell for .
    $1,450,700
    2% more
    +$29,014
    With Zillow Showcase(estimated)
    $1,479,714

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