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    Connecticut Duplexes for Sale

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    Seven-Unit Apartment Buildings
    Updated: Sep 2
    Seven-Unit Apartment Buildings

    23 Plains Road, East Haddam, CT 06469

    $895,000
    5,444 sqft 0.88 AC lot
    Two apartment buildings totaling 7 units on one 0.88‑acre parcel
    5,444 square feet of total property size
    Five‑unit Victorian building with 1 bd/1 bth apartments
    Two‑family duplex with a 2 bedroom unit on each floor
    New oil tanks and boilers; updated electrical and plumbing
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    Duplex with Separate Living Suite
    Updated: Sep 26
    Duplex with Separate Living Suite

    9 Ingham Hill Road, Essex, CT 06426

    $1,150,000
    3,308 sqft 1.40 AC lot
    3,308‑square‑foot duplex on 1.4 acres
    Main colonial dates to 1848; first‑floor wing added in 1974
    Separate living area connected to the main residence by a breezeway
    In‑ground gunite pool, two patio areas, and covered front porch
    Two‑car garage at the end of the addition
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    Two-Family Property with Off-Street Parking
    Two-Family Property with Off-Street Parking

    215 Dwight Street, New Haven, CT 06511

    $725,000
    4,862 sqft 0.09 AC lot

    Two residential units feature updated finishes, gas heating and hot water, a backyard, and a heated basement.

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    Historic Duplex with Pool
    Historic Duplex with Pool

    9 Ingham Hill Road, Essex, CT 06426

    $1,150,000
    3,308 sqft 1.40 AC lot

    Two connected living areas provide separate kitchens and private bedroom suites, with a breezeway linking the residences.

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    Craftsmanship-Filled Duplex With Rental Unit
    Craftsmanship-Filled Duplex With Rental Unit

    43 South Street, Morris, CT 06763

    $849,000
    3,699 sqft 1.62 AC lot

    Versatile duplex configuration combines a primary residence with a private one-bedroom apartment and separate entrance.

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    Two-Unit Duplex with Deck
    Two-Unit Duplex with Deck

    103 New Haven Avenue, Milford, CT 06460

    $899,900
    1,651 sqft 0.23 AC lot

    Two-family property with separate-floor units, public utilities, and outdoor space in Milford.

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

    1084 Iranistan Avenue, Bridgeport, CT 06604

    $799,999
    4,072 sqft 0.14 AC lot

    Each residence has four bedrooms and two-and-a-half bathrooms, with a separate side-by-side layout.

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    Remodeled Duplex with Finished Third Floor
    Remodeled Duplex with Finished Third Floor

    50 Anthony Street, New Haven, CT 06515

    $619,900
    4,000 sqft

    Two-unit property with upgraded interiors, modernized systems, and flexible additional living space.

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

    289 Pearl Harbor Street, Bridgeport, CT 06610

    $629,900
    2,358 sqft 0.23 AC lot

    Two distinct residences include private laundry rooms and a shared covered deck overlooking a fenced outdoor area.

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    Updated Side-by-Side Duplex
    Updated Side-by-Side Duplex

    124 Pine Hill Avenue, Stamford, CT 06906

    $1,075,000
    3,034 sqft 0.26 AC lot

    Two residences feature separate entrances, individual utilities, central air, and finished lower-level space.

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    Historic Two-Family with Parking
    Historic Two-Family with Parking

    215 Dwight Street, New Haven, CT 06511

    $725,000
    4,862 sqft

    Corner property offers two residential units, private outdoor space, and convenient access to downtown amenities.

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    Historic Duplex with Detached Garage
    Historic Duplex with Detached Garage

    537 Naubuc Avenue, Glastonbury, CT 06033

    $579,999
    1,586 sqft 0.78 AC lot

    The property includes two units, public water service, and a detached garage.

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    Duplex with Central Air
    Duplex with Central Air

    78 Highland Avenue, East Haven, CT 06512

    $630,000
    3,559 sqft 0.39 AC lot

    Two separate units have gas forced-air heat and central air conditioning, with public water and sewer service.

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    Two-Unit Duplex with Central Air
    Two-Unit Duplex with Central Air

    78 Highland Avenue, East Haven, CT 06512

    $630,000
    3,559 sqft 0.39 AC lot

    Improved two-family residence with public water and sewer serving each unit.

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

    53-55 Elihu Street, Hamden, CT 06517

    $700,000
    2,828 sqft 0.26 AC lot

    Two mirror-image residences offer classic details, updated kitchens and baths, private basements, and shared outdoor amenities.

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    Renovated Two-Unit Duplex
    Renovated Two-Unit Duplex

    36 Merwin Avenue, Milford, CT 06460

    $699,000
    1,400 sqft 0.07 AC lot

    Fully renovated duplex with separate systems, central air, and water views.

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    Duplex with Detached Garage
    Duplex with Detached Garage

    149 Spring Street, Middletown, CT 06457

    $549,900
    3,401 sqft 0.33 AC lot

    A finished lower level adds a second kitchen, full bath, and laundry area to the two-unit residence.

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    Side-by-Side Duplex with Decks
    Side-by-Side Duplex with Decks

    36-38 Concord Street, Norwalk, CT 06854

    $899,000
    4,421 sqft 0.12 AC lot

    Legal two-family property with three-level layouts, private rear decks, separate tenant utilities, and public water and sewer.

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    Updated Two-Family Duplex
    Updated Two-Family Duplex

    78 Highland Ave, East Haven, CT 06512

    $630,000
    3,559 sqft 0.39 AC lot

    Two-unit residence with separate central air conditioning, public utilities, basement space, and outdoor living areas.

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    Duplex with Inground Pool
    Duplex with Inground Pool

    356 Humphrey Street, New Haven, CT 06511

    $985,000
    3,772 sqft 0.12 AC lot

    Legal two-family property with a flexible multi-level layout, original woodwork, and public water and sewer.

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    Remodeled Two-Unit Duplex
    Remodeled Two-Unit Duplex

    1526 West Broad St, Stratford, CT 06615

    $649,000
    3,110 sqft 0.31 AC lot

    Stacked units feature three-bedroom layouts, updated baths, eat-in kitchens, and separate gas heating systems.

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    Two-Unit Duplex with Above-Ground Pool
    Two-Unit Duplex with Above-Ground Pool

    561 Savin Avenue, West Haven, CT 06516

    $619,900
    2,932 sqft 0.17 AC lot

    Separate gas and electric meters serve the two residences, with laundry in the first-floor unit and hookups upstairs.

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    Duplex With Accessory Apartment
    Duplex With Accessory Apartment

    6 Mettler St, Woodbridge, CT 06525

    $553,000
    1,838 sqft

    Cape-style duplex with separate utilities and a heated attached garage for flexible occupancy arrangements.

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    Duplex with Walkout Lower Level
    Duplex with Walkout Lower Level

    114 Pine Hill Avenue, Stamford, CT 06906

    $889,000
    2,490 sqft 0.15 AC lot

    Two residential units with separate utilities, outdoor space, and off-street parking in Stamford’s 06906 postal area.

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    Connecticut Duplexes Market Trends and Statistics

    Explore 754 duplexes for sale in Connecticut, showcased through 754 active listings on our real estate platform. These investment opportunities span a total of 1,536,473 square feet of properties for sale, with an estimated market value of $391,081,499.

    Sale prices for two-family homes in Connecticut start at $39,100, averaging $531,360, and reaching up to $3,900,000 — 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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