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    Middlesex County, MA Triplexes for Sale

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    103 properties
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    Victorian Triplex
    Updated: Oct 5
    Victorian Triplex

    52 Shawmut Ave, Marlborough, MA 01752

    $1,100,000
    3,232 sqft 0.47 AC lot
    Three‑unit Victorian property with a 4/4/3 bedroom configuration
    3,232 square feet; built in 1890
    0.4736‑acre lot
    Third‑floor apartment includes a finished attic
    Basement storage and separate workshop
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    Three-Unit Multifamily Property
    Updated: Oct 13
    Three-Unit Multifamily Property

    205 College Ave, Somerville, MA 02144

    $2,288,000
    3,280 sqft 0.08 AC lot
    Three apartments with 11 bedrooms and 5 bathrooms
    3,280 square feet on a 0.0826‑acre lot
    Directly across from Tufts University at 205 College Ave
    Separate gas, electric, and water meters for each apartment
    Individual heating and hot water systems; tenants pay gas and electricity
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    Three-Unit Property with Parking
    Three-Unit Property with Parking

    135 Irving St, Framingham, MA 01702

    $815,000
    3,612 sqft 0.19 AC lot

    Two driveways accommodate parking for 4+ vehicles on a level corner parcel.

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    Shovel-Ready Triplex Development Plans
    Shovel-Ready Triplex Development Plans

    288 Columbia St, Cambridge, MA 02141

    $1,500,000
    4,628 sqft

    Fully permitted plans call for three residential units, including private decks and a roof deck, with shovel-ready status.

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    3-Unit Property with Garage
    3-Unit Property with Garage

    89 Mammoth Rd, Lowell, MA 01854

    $749,900
    3,003 sqft 0.13 AC lot

    Two-story residential income property with six bedrooms, three full bathrooms, a basement, and private outdoor space.

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    Three-Family Property with Full Basement
    Three-Family Property with Full Basement

    123-125 Laurel St, Malden, MA 02148

    $999,900
    2,929 sqft 0.09 AC lot

    Separate living spaces, off-street parking, and flexible laundry access support rental or owner-occupant use.

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    Triplex with Detached Three-Bay Garage
    Triplex with Detached Three-Bay Garage

    213 Great Road, Stow, MA 01775

    $849,000
    3,323 sqft 1.60 AC lot

    Three living units offer flexible options for rental use, extended family, or adaptable household arrangements.

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    Victorian Triplex with Owner’s Residence
    Victorian Triplex with Owner’s Residence

    34 Central Street, Somerville, MA 02143

    $1,599,900
    2,631 sqft

    The upper-level residence spans two floors and includes four bedrooms and four bathrooms.

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    Triplex with Fourth-Floor Space
    Triplex with Fourth-Floor Space

    403-405 Ferry St, Malden, MA 02148

    $1,279,000
    4,726 sqft 0.15 AC lot

    Three primary residences offer matching layouts with three bedrooms, eat-in kitchens, and separate storage.

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    Three-Unit Residential Property
    Three-Unit Residential Property

    218-220 Walden St, Cambridge, MA 02140

    $1,750,000
    3,024 sqft 0.10 AC lot

    Three residences provide matching two-bedroom layouts with enclosed porches and private outdoor decks.

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    Newly Renovated Three-Family Investment
    Newly Renovated Three-Family Investment

    174 Walnut Street, Somerville, MA 02145

    $2,988,000
    5,921 sqft

    Renovated three-family property with three spacious residences, in-unit laundry, and driveway off-street parking.

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    Triplex with Off-Street Parking
    Triplex with Off-Street Parking

    179-181 Grant Street, Framingham, MA 01702

    $699,900
    1,800 sqft 0.11 AC lot

    Well-maintained multifamily property with separate electric services, replacement windows, and basement storage.

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    Three-Unit Historic Multifamily Property
    Three-Unit Historic Multifamily Property

    9 Bourne St, Lowell, MA 01852

    $700,000
    3,253 sqft 0.09 AC lot

    Vacant three-family building with basement storage and individual laundry hookups.

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    3-Unit Victorian Triplex
    3-Unit Victorian Triplex

    52 Shawmut Ave, Marlborough, MA 01752

    $1,100,000
    3,232 sqft 0.46 AC lot

    Three apartments feature period detailing, a finished attic unit, basement storage, and a separate workshop.

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    Triplex with Updated Roof
    Triplex with Updated Roof

    1 Dublin St, Lowell, MA 01854

    $799,900
    3,455 sqft 0.06 AC lot

    Two five-bedroom units and one two-bedroom unit are occupied by long-term tenants.

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    Triplex With Off-Street Parking
    Triplex With Off-Street Parking

    2 Cambridge Ter, Cambridge, MA 02140

    $3,400,000
    3,471 sqft 0.18 AC lot

    Three residential units occupy a substantial C-1-zoned parcel with dedicated parking.

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    Renovated Three-Unit Townhouse
    Renovated Three-Unit Townhouse

    24 Union St, Cambridge, MA 02141

    $6,950,000
    4,355 sqft

    Separate residences include individual kitchens, baths, living areas, and basement access.

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    Updated Three-Unit Triplex
    Updated Three-Unit Triplex

    179 Chestnut Street, Marlborough, MA 01752

    $930,000
    3,339 sqft 0.13 AC lot

    Three residential units combine flexible layouts, refreshed interiors, and six off-street parking spaces.

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    Renovated Triplex with Three-Car Garage
    Renovated Triplex with Three-Car Garage

    48 Irving Street, Somerville, MA 02144

    $1,850,000
    2,538 sqft

    Three renovated units offer varied layouts, private outdoor areas, and dedicated parking.

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    Triplex with Basement Unit
    Triplex with Basement Unit

    155 Amory St, Cambridge, MA 02139

    $1,399,000
    2,700 sqft 0.04 AC lot

    Three-story multifamily property with four residential units and substantial renovation needs.

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    Triplex with Two-Car Garage
    Triplex with Two-Car Garage

    280-282 River Street, Waltham, MA 02453

    $1,299,000
    3,264 sqft 0.15 AC lot

    Three occupied apartments offer separate gas and electric utilities, updated interiors, and on-site parking in Waltham.

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    Three-Family Residential Income Building
    Three-Family Residential Income Building

    34 Irma Ave, Watertown, MA 02472

    $1,299,000
    3,643 sqft

    Well-maintained three-family property with multiple bedrooms per unit, in-unit laundry, central air on the first floor, and off-street parking.

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    Three-Family Property With Garage
    Three-Family Property With Garage

    22 Victoria Street, Somerville, MA 02144

    $1,650,000
    3,327 sqft

    Distinctive multifamily property with separate utilities, rear porches, decks, and a finished basement with full bath.

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    Leased Three-Unit Triplex
    Leased Three-Unit Triplex

    753 Boylston St, Chestnut Hill, MA 02459

    $1,950,000
    4,543 sqft

    All three apartments are leased through August 2027, with separate electrical meters and coin-operated laundry.

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    Middlesex County, MA Triplexes Market Trends and Statistics

    Explore 103 triplexes for sale in Middlesex County, MA, showcased through 103 active listings on our real estate platform. These investment opportunities span a total of 258,171 square feet of properties for sale, with an estimated market value of $157,354,125.

    Sale prices for three-family homes in Middlesex County, MA start at $619,900, averaging $1,542,687, and reaching up to $6,950,000 — 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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    Featured Middlesex County Real Estate Agencies

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

    RE/MAX ANDREW REALTY SERVICES
    12 High Street Medford, MA 02155
    Phone: 17813957676
    www.andrewrealty.com
    Keller Williams Realty Merrimack Valley
    3 Lan Drive, Suite 300 Westford, MA 01886
    Phone: 19786923280
    kwmerrimackvalley.com
    Keller Williams Realty Chestnut Hill
    1340 Centre St, Suite 202 Newton, MA 02459
    Phone: 16179699000
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