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    Knox County, ME Multifamily Properties for Sale

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    Portland, ME Lewiston, ME Bangor, ME Augusta, ME Waterville, ME Auburn, ME Biddeford, ME Sanford, ME
    39 properties
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    Mixed-Use Building with Rooftop Deck
    Updated: Aug 29
    Mixed-Use Building with Rooftop Deck

    410 Main Street, Rockland, ME 04841

    $1,895,000
    8,083 sqft 0.15 AC lot
    8083 square feet of finished space on a 0.15‑acre lot
    Street‑level retail with kitchen, two bathrooms, and potential for two separate units
    Rear workshop with private entrance and dedicated bathroom
    Two furnished two‑bedroom vacation rental units plus a one‑bedroom residence
    Top‑floor residence with rooftop deck and ocean views
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    Mixed-Use Building with Retail
    Updated: Aug 29
    Mixed-Use Building with Retail

    410 Main Street, Rockland, ME 04841

    $1,895,000
    8,083 sqft 0.15 AC lot
    8,083 SF mixed‑use building on a 0.15‑acre parcel
    Two furnished two‑bedroom vacation rental units
    Private furnished one‑bedroom residence with rooftop deck and ocean views
    Renovated street‑level retail space with kitchen and two bathrooms
    Rear workshop with private entrance and bathroom
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    Duplex with Harbor Views
    Duplex with Harbor Views

    34 Waldo Avenue, Rockland, ME 04841

    $899,000
    2,776 sqft 0.38 AC lot

    City approval supports duplex use, while the finished basement adds flexible interior space.

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    Duplex-Approved Home with Harbor Views
    Duplex-Approved Home with Harbor Views

    34 Waldo Avenue, Rockland, ME 04841

    $899,000
    2,776 sqft 0.38 AC lot

    City approval for duplex use accompanies a three-level residence with harbor views and a finished basement.

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    Renovated 11-Unit Apartment Building
    Renovated 11-Unit Apartment Building

    85 Union Street, Rockland, ME 04841

    $1,500,020
    11,820 sqft 0.26 AC lot

    Wood-frame property with central air, natural gas heat, and wood flooring.

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    Eight-Unit Multifamily Property
    Eight-Unit Multifamily Property

    34-36 Pleasant Street, Rockland, ME 04841

    $999,990
    10,133 sqft 0.33 AC lot

    Updated rental units near Rockland’s waterfront, restaurants, shops, and employers.

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    Historic Victorian Triplex
    Historic Victorian Triplex

    19 Mountain Street, Camden, ME 04843

    $1,250,000
    6,830 sqft 0.31 AC lot

    Upper-level residence complements two separately entered units with outdoor areas and established rental use.

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    Historic Multifamily Property with Garage
    Historic Multifamily Property with Garage

    19 Mountain Street, Camden, ME 04843

    $1,250,000
    6,830 sqft

    Three-level property with two rental units, an expansive owner’s suite, and private outdoor areas.

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    Eight-Unit Apartment Building
    Eight-Unit Apartment Building

    100 Union Street, Rockland, ME 04841

    $999,990
    7,324 sqft 0.18 AC lot

    Renovated apartments offer wood flooring, central air, and hot-water heating near downtown amenities.

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    Cape Cod Triplex with Garages
    Cape Cod Triplex with Garages

    1014 Atlantic Highway, Warren, ME 04864

    $499,000
    4,000 sqft 3.92 AC lot

    Legal three-unit property with covered parking, storage space, and flexible residential use options.

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    11-Unit Apartment Building with Mixed Beds
    11-Unit Apartment Building with Mixed Beds

    85 Union Street, Rockland, ME 04841

    $1,500,020
    11,820 sqft

    11-unit building with seven one-bedroom and four two-bedroom apartments, offered as part of a three-building portfolio.

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    Victorian Multifamily Property
    Victorian Multifamily Property

    13 Wood Street, Camden, ME 04843

    $849,000
    2,454 sqft 0.16 AC lot

    Historic village property combines two residential units with office space and private outdoor areas.

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    Historic Duplex with Barn
    Historic Duplex with Barn

    77 Main Street, Rockport, ME 04856

    $1,125,000
    2,762 sqft 0.94 AC lot

    Two separately entered units occupy a Greek Revival residence with updated systems and substantial outdoor space.

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    Victorian Duplex With Office Space
    Victorian Duplex With Office Space

    13 Wood St, Camden, ME 04843

    $849,000
    2,454 sqft

    Historic two-unit property with office space, a backyard, lookout tower, and two driveways near Camden’s waterfront.

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    Contemporary Duplex with In-Law Suite
    Contemporary Duplex with In-Law Suite

    13 Sawpit Road, Appleton, ME 04862

    $360,000
    2,382 sqft 1.34 AC lot

    Flexible residential layout with separate-entry living space, private bath, and a rural setting near local services.

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    Multifamily Property with Separate House
    Multifamily Property with Separate House

    63 Old Rockland Street, Rockport, ME 04856

    $495,000
    1,805 sqft 0.97 AC lot

    Farmhouse-style property with a wrap-around porch, detached secondary house, and substantial barn on a rural Maine parcel.

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    Multifamily Property with Walk-Out Basement
    Multifamily Property with Walk-Out Basement

    293 Ludwig Road, Hope, ME 04847

    $525,000
    3,138 sqft

    One-level layout includes two residential wings organized around shared kitchen and dining areas.

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    Updated Duplex with Water Views
    Updated Duplex with Water Views

    122 Camden Street, Rockland, ME 04841

    $325,000
    1,540 sqft 0.15 AC lot

    Two separate one-bedroom units feature water views and recent building improvements.

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    8-Unit Multifamily Property
    8-Unit Multifamily Property

    34-36 Pleasant Street, Rockland, ME 04841

    $999,990
    10,133 sqft

    Updated apartments in a walkable Rockland neighborhood near waterfront amenities, shops, restaurants, and employers.

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    Two-Unit Duplex with Private Entry
    Two-Unit Duplex with Private Entry

    20 Chestnut Street, Rockland, ME 04841

    $340,000
    2,728 sqft 0.23 AC lot

    A renovated main residence and separate apartment offer two distinct living spaces, with independent access for the apartment.

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    Eight-Unit Apartment Building
    Eight-Unit Apartment Building

    100 Union Street, Rockland, ME 04841

    $999,990
    7,324 sqft

    Eight-unit apartment building with seven one-bedroom units and one two-bedroom unit.

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    Multifamily Property with Two Homes
    Multifamily Property with Two Homes

    810 Rockland Street, Rockport, ME 04856

    $385,000
    2,811 sqft 4.06 AC lot

    Two separate residences provide flexible options for extended living, rental use, or guest accommodations on a private rural parcel.

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    Renovated Duplex with Apartment
    Renovated Duplex with Apartment

    20 Chestnut St, Rockland, ME 04841

    $340,000
    2,728 sqft 0.23 AC lot

    Two living units include a three-bedroom main residence and a private-entry one-bedroom apartment.

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    Up-and-Down Duplex
    Up-and-Down Duplex

    1032 Commercial Street, Rockport, ME 04856

    $315,000
    1,346 sqft 0.42 AC lot

    Two units have separately designated utilities, with off-street parking and public water and sewer service.

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    Knox County, ME Multifamily Properties Market Trends and Statistics

    Explore 43 multifamily properties for sale in Knox County, ME, showcased through 39 active listings on our real estate platform. These investment opportunities span a total of 170,829 square feet of properties for sale, with an estimated market value of $28,957,000.

    Sale prices for multifamily properties in Knox County, ME start at $299,000, averaging $742,487, and reaching up to $1,895,000 — 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 Knox County Real Estate Agencies

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

    Camden Real Estate Company
    43 Elm St Camden, ME 04843
    Phone: 12072366171
    www.camdenre.com
    Cates Real Estate
    313 Main Street Rockland, ME 04841
    Phone: 12077015600
    www.catesre.com
    Camden Coast Real Estate
    80 Elm Street Camden, ME 04843
    Phone: 12072361111
    camdencoast.com
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