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    Fairfield County, CT Duplexes for Sale

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    Two-Family with In-Law Apartment
    Updated: Jun 26
    Two-Family with In-Law Apartment

    251 Seaside Avenue, Stamford, CT 06902

    $999,000
    4,376 sqft
    Oversized 4,376 SF 2‑family plus in‑law apartment in a Cove location (Year built: 1953).
    Unit #1: original cape style with large country kitchen, dining room, living room, main floor primary bedroom and bath, plus 2 bedrooms and bath on the 2nd floor.
    Unit #1 includes direct basement access and laundry access.
    Unit #2: 2‑room studio in‑law apartment.
    Unit #3: oversized contemporary 3‑bedroom, 2.5‑bath townhouse set back from the road, with private deck and corner fireplace.
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    This listing looks promising.

    Here's a quick look at some key insights for

    251 Seaside Avenue, Stamford, CT 06902

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    • Est. Cap Rate

      8.4%
      Above avg (5.9%)

    • Est. NOI

      $84K
      Annual

    • Price @ 7% Cap

      $1.2M
      Above asking

    • Property Type

      Duplex
      Built 1953
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    Spacious Two-Unit Duplex Residence
    Updated: Jul 6
    Spacious Two-Unit Duplex Residence

    11 Windsor Place, Norwalk, CT 06854

    $800,000
    2,873 sqft 0.21 AC lot
    2‑family home built in 1895 with two separate living units
    Lower‑level unit: 2 bedrooms, 1 full bath; electric heat; currently rented on a month‑to‑month lease for $1,700/month
    Main unit: 4 bedrooms, 3 full bathrooms with three finished levels and extra space for home offices or playrooms
    Main unit includes high‑efficiency gas heating/hot water system
    Public water and public sewer
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    Recently Remodeled Two-Unit Home
    Recently Remodeled Two-Unit Home

    1526 W Broad Street, Stratford, CT 06615

    $649,000
    3,110 sqft 0.31 AC lot

    Two stacked units with remodeled interiors, gas heating, and fenced outdoor space suited for owner-occupants or renters.

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    Two-Family Residential Income Property
    Two-Family Residential Income Property

    32 Hackett Circle N, Stamford, CT 06906

    $950,000
    2,210 sqft 0.12 AC lot

    Well-maintained two-family home with central air, in-unit laundry, separate utilities, and off-street parking.

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    Updated Two-Family Duplex
    Updated Two-Family Duplex

    60 Stephen Street, Stamford, CT 06902

    $799,900
    2,408 sqft 0.10 AC lot

    Updated two-family duplex with separate utilities, gas heat, newer roof, and a 2-car garage plus off-street parking.

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    Updated Duplex in Glenbrook
    Updated Duplex in Glenbrook

    124 Pine Hill Avenue, Stamford, CT 06906

    $1,125,000
    3,034 sqft 0.14 AC lot

    Well-maintained 2-family property near Glenbrook train station.

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    Two-Unit Residential Income Property
    Two-Unit Residential Income Property

    355 Hope Street, Stamford, CT 06906

    $935,000
    2,888 sqft 0.26 AC lot

    Two-family home with separate utilities, two 3-bedroom units, and a detached 3-car garage on an oversized lot.

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    Multi-Generational Multifamily Home
    Multi-Generational Multifamily Home

    132-MF Merrimac Drive, Trumbull, CT 06611

    $1,399,000
    7,071 sqft

    Two fully independent residences on one parcel, with flexible finished lower-level living and outdoor entertaining amenities.

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    Side-by-Side Duplex Investment
    Side-by-Side Duplex Investment

    9 Columbus Avenue, Greenwich, CT 06830

    $2,400,000
    2,280 sqft 0.12 AC lot

    Side-by-side duplex with two 2-bedroom, 1.5-bath units built in 1997 under R-6 zoning.

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    Two-Family Residential Income Property
    Two-Family Residential Income Property

    20 Laurel Street, Danbury, CT 06810

    $549,000
    2,336 sqft 0.21 AC lot

    Two-unit home with separate bed/bath layouts, in-unit and basement laundry, and transferrable solar panels.

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    Remodeled Two-Family Duplex
    Remodeled Two-Family Duplex

    1526 West Broad Street, Stratford, CT 06615

    $649,000
    3,110 sqft 0.31 AC lot

    Stacked two-family duplex offers gas heat, hardwood/ceramic tile floors, and recently refurbished second-floor unit with covered outdoor space.

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    Renovated Duplex in Desirable Neighborhood
    Renovated Duplex in Desirable Neighborhood

    180 Dupont Place, Bridgeport, CT 06611

    $599,900
    1,620 sqft 0.16 AC lot

    Renovated duplex featuring modern kitchens, baths, and private yard.

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    Renovated Two-Family Residence
    Renovated Two-Family Residence

    21 Hirsch Road, Stamford, CT 06905

    $1,039,500
    3,927 sqft 0.23 AC lot

    Renovated two-family home offering flexible layouts, a private backyard, and an attached garage in Stamford.

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    Renovated Two-Family Colonial
    Renovated Two-Family Colonial

    41 Town Hill Avenue, Danbury, CT 06810

    $690,000
    2,280 sqft

    Totally renovated two-family with matched 2-bedroom layouts, in-unit entrances, and updated kitchens plus shared outdoor front porch.

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    Victorian Dream Home on Deer Hill
    Victorian Dream Home on Deer Hill

    116 Deer Hill Avenue, Danbury, CT 06810

    $1,200,000
    3,322 sqft 0.41 AC lot

    Historic two-family home with modern updates and income potential.

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    Mixed-Use Income Property with Parking
    Mixed-Use Income Property with Parking

    845 E Main Street, Bridgeport, CT 06608

    $650,000
    6,708 sqft 0.14 AC lot

    One ground-floor commercial unit plus two leased residential units above, supported by approximately 10 on-site parking spaces.

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    Owner-Occupied Two-Family Home
    Owner-Occupied Two-Family Home

    390 Canaan Road, Stratford, CT 06614

    $759,999
    2,381 sqft

    Move-in ready two-family with oversized kitchens, hardwood floors, and outdoor entertaining space.

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    Move-In Ready Two-Family Home
    Move-In Ready Two-Family Home

    17 Lake Avenue, Danbury, CT 06810

    $525,000
    1,948 sqft 0.23 AC lot

    Well-maintained duplex with separate utilities, in-unit laundry, and an added finished walk-up attic space.

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    Industrial Zoned Property with Residence
    Industrial Zoned Property with Residence

    556 Pepper Street, Monroe, CT 06468

    $645,000
    3,768 sqft

    I2 Industrial zoned property with residential 2-family house.

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    Stamford Two-Family Home For Sale
    Stamford Two-Family Home For Sale

    72 Haig Avenue, Stamford, CT 06905

    $985,000
    2,455 sqft 0.43 AC lot

    Two-unit home in Stamford, ideal for various living arrangements.

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    Two-Unit Residential Income Property
    Two-Unit Residential Income Property

    17 Lake Avenue, Danbury, CT 06810

    $525,000
    1,948 sqft

    Well-maintained two-family home with separate utilities, in-unit laundry, and an oversized deck with off-street parking.

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    Renovated Bridgeport Multi-Family Home
    Renovated Bridgeport Multi-Family Home

    46 Sanford Avenue, Bridgeport, CT 06604

    $599,000
    2,582 sqft 0.13 AC lot

    Well-maintained two-family home with renovated units and income potential.

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    Two-Unit Duplex with Two-Car Garage
    Two-Unit Duplex with Two-Car Garage

    107 Fairview Avenue, Bridgeport, CT 06606

    $599,000
    3,170 sqft

    Income-producing two-unit duplex with basement laundry hookups and a two-car garage near St. Vincent's Hospital.

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    Legal Two-Family Duplex in Norwalk
    Legal Two-Family Duplex in Norwalk

    18 Lawrence Street, Norwalk, CT 06854

    $739,000
    1,976 sqft 0.14 AC lot

    Legal 2-family duplex with separate utilities and two distinct unit layouts, suited for either owner-occupancy or investment.

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    Fairfield County, CT Duplexes Market Trends and Statistics

    Explore 101 duplexes for sale in Fairfield County, CT, showcased through 101 active listings on our real estate platform. These investment opportunities span a total of 193,694 square feet of properties for sale, with an estimated market value of $52,032,989.

    Sale prices for duplexes in Fairfield County, CT start at $225,000, averaging $765,191, and reaching up to $2,400,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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