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Sold for $961,000
    • $961,000

    20-22 William Street, East Northport, NY 11731

    6beds
    2,822sqft
    Duplex, Multi Family
    Built in 1980
    -- sqft lot
    $1,035,200 Zestimate®
    $341/sqft
    $3,483 Estimated rent

    Home value

    $1,035,200

    $942,000 - $1.13M

    $3,483/mo

    Zestimate® history
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    $3,483/mo

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    $6,596/mo

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    $6,596/mo

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    What's special

    Two-Family Colonial on a Quiet Cul-de-Sac in East Northport! Nestled at the end of a peaceful cul-de-sac in East Northport, this well-maintained two-family Colonial offers an exceptional opportunity for investors or those seeking flexible multi-generational living. The upper unit features 3 bedrooms and 1 full bath, while the lower unit boasts 3 bedrooms and 2 full baths. Each has separate ground-level entrances for convenience and privacy. The lower unit includes access to a full basement, ideal for storage, a workshop, or potential additional living space. Designed for independent living, both units are equipped with separate utility meters, dedicated washer/dryer hookups, and private, comfortable layouts The flat, grassy yard provides plenty of outdoor space for recreation or relaxation, while the generous off-street parking ensures ample room for residents and guests alike. With its solid condition, prime location, and income-generating potential, this property is perfect for savvy investors, extended or multi-generational families, or homeowners seeking supplemental rental income. Don't miss your chance to own a rare and versatile East Northport gem.

    Zillow last checked:

    Listing updated:

    Listed by:

    Kathryn A. Martin SFR CBR 516-901-2899,

    Signature Premier Properties 631-754-3600,

    Zachary A. Martin 631-923-5170,

    Signature Premier Properties

    Bought with:

    Ashley E. DeGiorgio, 10401389285

    Douglas Elliman Real Estate

    Source: OneKey® MLS as distributed by MLS GRID,MLS#: 897799MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 6
    • Bathrooms: 3
    • Full bathrooms: 3
    Heating
    • Baseboard, Oil
    Cooling
    • Central Air, Wall/Window Unit(s)
    Appliances
    • Laundry: Washer/Dryer Hookup, Laundry Room
    Features
    • First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen
    • Flooring: Carpet, Hardwood
    • Basement: Partial,Partially Finished
    • Attic: Full,Scuttle
    • Has fireplace: No
    Interior area
    • Total structure area: 2,822
    • Total interior livable area: 2,822 sqft

    Property

    Parking
    • Total spaces: 8
    • Parking features: Driveway
    • Has uncovered spaces: Yes
    Features
    • Patio & porch: Porch
    • Fencing: Back Yard,Partial
    Lot
    • Size: 9,583 Square Feet
    • Features: Back Yard, Cleared, Cul-De-Sac, Front Yard, Level, Near Public Transit, Near School, Near Shops
    Details
    • Parcel number: 0400113000100005000
    • Special conditions: None

    Construction

    Type & style
    • Home type: MultiFamily
    • Architectural style: Colonial
    • Property subtype: Duplex, Multi Family
    Materials
    • Vinyl Siding
    Condition
    • Year built: 1980

    Utilities & green energy

    • Sewer: Cesspool
    • Water: Public
    • Utilities for property: None

    Community & HOA

    Location
    • Region: East Northport

    Financial & listing details

    • Price per square foot: $341/sqft
    • Tax assessed value: $3,500
    • Annual tax amount: $13,320
    • Date on market: 8/14/2025
    • Cumulative days on market: 16 days
    • Listing agreement: Exclusive Right To Sell
    • Exclusions: Window ACs in upper unit

    Price history

    DateEventPrice
    4/25/2026Listing removed$3,250$1/sqft
    Source: Douglas Elliman Report a problem
    4/16/2026Price change$3,250-11%$1/sqft
    Source: Douglas Elliman Report a problem
    3/31/2026Listed for rent$3,650+82.5%$1/sqft
    Source: Douglas Elliman Report a problem
    10/21/2025Sold$961,000+7.4%$341/sqft
    Source: OneKey® MLS as distributed by MLS GRID #897799 Report a problem
    8/30/2025Pending sale$895,000$317/sqft
    Source: OneKey® MLS as distributed by MLS GRID #897799 Report a problem
    8/14/2025Listed for sale$895,000+219.6%$317/sqft
    Source: OneKey® MLS as distributed by MLS GRID #897799 Report a problem
    5/14/2013Listing removed$2,000$1/sqft
    Source: Signature Premier Properties #2577218 Report a problem
    4/26/2013Listed for rent$2,000$1/sqft
    Source: Signature Premier Properties #2577218 Report a problem
    1/10/2001Sold$280,000$99/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025-- $3,500
    2024-- $3,500
    2023-- $3,500
    2022-- $3,500
    2021-- $3,500
    2020-- $3,500
    2019-- $3,500
    2018-- $3,500 -16.7%
    2017$10,767 $4,200
    2016-- $4,200
    2015-- $4,200
    2014-- $4,200
    2013-- $4,200
    2012-- $4,200
    2011-- $4,200
    2007$9,808 +13.3%$4,200
    2005$8,656 +7.4%$4,200
    2004$8,061 +6.3%$4,200
    2003$7,583 +5.5%$4,200
    2002$7,191 +6.7%$4,200
    2001$6,740 +2.8%$4,200
    2000$6,556 $4,200
    Find assessor info on the county website

    Neighborhood: 11731

    Nearby homes

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: Pulaski Road School
    • Middle: East Northport Middle School
    • High: Northport Senior High School

    Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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    Estimated market value
    $1,035,200
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $1,035,200

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