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    New London County, CT Duplexes for Sale

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    Two-Unit Duplex Near Beaches
    Updated: May 28
    Two-Unit Duplex Near Beaches

    23 Ridgewood Avenue, Waterford, CT 06385

    $599,900
    1,680 sqft 0.16 AC lot
    1,680‑square‑foot duplex on a 0.16‑acre lot
    First floor: 3 bedrooms and 1 bathroom; second floor: 2 bedrooms and 1 bathroom
    Walking distance to Ocean Beach and Waterford Beach
    Updates include siding, roofing, boiler, second‑floor kitchen and bath, and some flooring
    Public water and public sewer with underground utilities
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    Side-by-Side Duplex with Garage
    Updated: Jul 8
    Side-by-Side Duplex with Garage

    45 Dunham Street, Norwich, CT 06360

    $419,000
    2,209 sqft 0.58 AC lot
    Two side‑by‑side units, each with 2 bedrooms
    Approximately 2,209 square feet of living space
    Unit bathrooms include 1 full bath and 1.5 baths
    Detached garage, basement, and large driveway
    0.58‑acre parcel zoned MF
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    Renovated Duplex with Attached Garage
    Renovated Duplex with Attached Garage

    65-67 Maple Street, Griswold, CT 06351

    $539,000
    3,139 sqft 0.15 AC lot

    Two separate residences offer updated kitchens, generous living areas, and basement laundry hookups.

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    Renovated Two-Unit Duplex
    Renovated Two-Unit Duplex

    463 East Main Street, Norwich, CT 06360

    $525,000
    3,087 sqft

    Updated residential income property with flexible floor plans, modern finishes, and separate laundry hookups for each residence.

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

    27 Joliet Court, Groton, CT 06340

    $389,900
    1,392 sqft 0.27 AC lot

    Renovated two-unit property with electric baseboard heat, updated kitchens, laundry hookups, public water, and public sewer.

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    Duplex with Detached Garage
    Duplex with Detached Garage

    52 Oneco Street, Norwich, CT 06360

    $400,000
    3,810 sqft 0.24 AC lot

    Tenant-occupied two-unit property with separate utilities, a walk-up attic, front porch, and yard in Norwich.

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    Two-Unit Duplex with Basement
    Two-Unit Duplex with Basement

    13-15 Palmer Avenue, Griswold, CT 06351

    $285,000
    2,385 sqft 0.22 AC lot

    Well-maintained residential income property with a backyard, off-street parking, and public utilities.

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    Two-Cottage Duplex Property
    Two-Cottage Duplex Property

    10 Hartford Avenue, Old Lyme, CT 06371

    $639,900
    960 sqft

    Two separate cottages offer a flexible layout with outdoor features and beach access nearby.

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    Duplex Property with Public Utilities
    Duplex Property with Public Utilities

    8-10 Depot Road, Groton, CT 06340

    $325,000
    1,450 sqft 0.33 AC lot

    Zoned R-12 duplex built in 1942 with public water and public sewer service.

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    Side-by-Side Duplex with Garage
    Side-by-Side Duplex with Garage

    21-23 Pulaski Street, Griswold, CT 06351

    $269,900
    2,352 sqft 0.22 AC lot

    Two side-by-side units offer separate utilities, enclosed porch space, and a detached garage.

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    Residential Income Property with River Views
    Residential Income Property with River Views

    642 Old Hartford Road, Colchester, CT 06415

    $319,900
    4,236 sqft

    Three-building residential income property with a cottage that overlooks the river and a one-car garage plus loft space.

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

    8 Midway Oval, Groton, CT 06340

    $325,000
    1,542 sqft 0.23 AC lot

    Two-family property with public water, public sewer, and R-12 zoning.

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    Two-Family Waterview Home
    Two-Family Waterview Home

    23 Ridgewood Avenue, Waterford, CT 06385

    $599,900
    1,680 sqft

    A flexible two-unit property near Ocean and Waterford Beach with waterviews and recent updates for owner-occupants or investors.

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    Reconstructed Duplex with Outdoor Space
    Reconstructed Duplex with Outdoor Space

    158 Cliff Street, Norwich, CT 06360

    $350,000
    1,685 sqft

    Two residential units offer a practical layout with private parking and outdoor space on a corner lot.

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    Updated Two-Unit Duplex
    Updated Two-Unit Duplex

    155 Cliff Street, Norwich, CT 06360

    $370,000
    2,035 sqft

    Two spacious units combine refreshed interiors, flexible attic space, and private off-street parking.

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    Victorian Duplex with Off-Street Parking
    Victorian Duplex with Off-Street Parking

    153 Baker Avenue, Groton, CT 06340

    $429,000
    2,009 sqft

    Two-unit Victorian property with separate heating systems, private parking, and a full basement.

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    Mixed-Use Property with Storefront
    Mixed-Use Property with Storefront

    313 Central Ave, Norwich, CT 06360

    $319,000
    2,560 sqft

    Two-unit building combines ground-floor commercial space with residential accommodations.

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    Side-by-Side Duplex with Basements
    Side-by-Side Duplex with Basements

    20-22 Morse Avenue, Groton, CT 06340

    $445,000
    2,002 sqft

    Two attached residences include private basements, laundry hookups, and updated mechanical equipment.

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    Two-Unit Property with Detached Garage
    Two-Unit Property with Detached Garage

    24 Central Avenue, Norwich, CT 06360

    $339,000
    1,861 sqft

    Two residential units offer distinct layouts, upgraded mechanical systems, and a newly paved driveway.

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    Updated Two-Unit Duplex
    Updated Two-Unit Duplex

    358 Poquonnock Road, Groton, CT 06340

    $429,900
    1,734 sqft

    Two separate residences with recent improvements, off-street parking, and a sizable backyard support flexible ownership options.

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    Renovated 2-Unit Duplex
    Renovated 2-Unit Duplex

    79 Prospect Street, Norwich, CT 06360

    $345,000
    3,123 sqft

    Vacant two-unit property with central air and flexible occupancy options in Norwich.

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    Duplex Under Renovation
    Duplex Under Renovation

    617 East Main St, Norwich, CT 06360

    $255,000
    2,512 sqft

    Two-family residential property with separate utilities and a five-bedroom layout undergoing renovation.

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    Two-Unit Duplex with Rear Yard
    Two-Unit Duplex with Rear Yard

    120 Route 2A, Preston, CT 06365

    $395,000
    1,913 sqft

    Both residences are occupied and offer three bedrooms, a full bathroom, parking, and access to an open rear yard.

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    Two-Unit Duplex
    Two-Unit Duplex

    68 Boswell Avenue, Norwich, CT 06360

    $260,000
    1,980 sqft

    Two-bedroom units with separate utilities and one tenant-occupied residence.

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    New London County, CT Duplexes Market Trends and Statistics

    Explore 45 duplexes for sale in New London County, CT, showcased through 45 active listings on our real estate platform. These investment opportunities span a total of 93,461 square feet of properties for sale, with an estimated market value of $16,378,325.

    Sale prices for duplexes in New London County, CT start at $214,925, averaging $399,471, and reaching up to $799,500 — 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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    Featured New London County Real Estate Agencies

    Realmo connects you with licensed New London County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    RE/MAX ON THE BAY
    61 Pennsylvania Avenue Niantic, CT 06357
    Phone: 18607390888
    www.remaxniantic.com
    RE/MAX Coast and Country
    27 Coogan Boulevard, Bldg 1-B Mystic, CT 06355
    Phone: 18605367600
    www.CoastandCountryProperties.com

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