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    Knox County, ME Multifamily Properties for Sale

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    Portland, ME Lewiston, ME Bangor, ME Auburn, ME Waterville, ME Augusta, ME Rockland, ME Biddeford, ME
    31 properties
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    Multifamily with Garage Efficiency Units
    Updated: Jun 18
    Multifamily with Garage Efficiency Units

    171 N Main Street, Rockland, ME 04841

    $1,349,000
    5,626 sqft 1.27 AC lot
    Multi‑unit property with 171 N Main St main house (over 2,000 sq ft) plus two one‑bedroom efficiency apartments above the garage.
    167 N Main St is a newly renovated/built duplex: front unit is 2BR/1.5BA over two levels; back unit is 2BR/1BA on one level.
    All units include in‑unit laundry (main house context and both duplex units stated).
    Zoned heating with electric/baseboard, oil heat, heat pump heating, and radiant heat options; deck patio/porch included.
    Public water and public sewer; shingle roof and Cape Cod architectural style.
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    Historic Mixed-Use Building
    Updated: Jul 17
    Historic Mixed-Use Building

    84 Elm Street, Camden, ME 04843

    $1,350,000
    5,875 sqft 0.40 AC lot
    Built in 1806, historic mixed‑use business/residential property currently operated as a Bed and Breakfast
    Multiple layout options: could be used as a single‑family residence with rear cottage and separate private entrances and bathrooms
    Main house features mini splits for heat and air conditioning, plus zoned heating options including natural gas, electric, heat pump, and oil
    Ground floor includes kitchen, dining room, office, laundry area, and a bedroom with full bath, private entrance, and historic fireplace
    Parking includes off‑street paved lots with space for vehicles, RV, or a boat
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    In-Town Two-Family Greek Revival
    In-Town Two-Family Greek Revival

    77 Main Street, Rockport, ME 04856

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

    Classic two-family home with separate entries and parking, set on a level lot with a barn and multiple outdoor areas.

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    Downtown Rockland Multi-Use Building
    Downtown Rockland Multi-Use Building

    410 Main Street, Rockland, ME 04841

    $1,895,000
    8,083 sqft

    Stunning multi-use building in downtown Rockland with rental units.

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    11-Unit Apartment Building
    11-Unit Apartment Building

    85 Union Street, Rockland, ME 04841

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

    Renovated 11-unit mix of one- and two-bedroom apartments in Rockland, offering an income-focused ownership setup.

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

    20 Chestnut Street, Rockland, ME 04841

    $445,000
    2,728 sqft 0.23 AC lot

    Two living units on a quiet street, featuring recent updates, multiple parking arrangements, and a private one-bedroom apartment.

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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

    Well-maintained eight-unit property with a mix of seven one-bedroom and one two-bedroom apartments.

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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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    Mixed-Use Triplex with Office Space
    Mixed-Use Triplex with Office Space

    13 Wood Street, Camden, ME 04843

    $895,000
    2,454 sqft 0.16 AC lot

    Triplex configured as two residential units and one office space with two driveways and a private backyard.

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    Triplex with Office Space
    Triplex with Office Space

    13 Wood Street, Camden, ME 04843

    $895,000
    2,454 sqft 0.16 AC lot

    Three-unit building with two residential units and one office space, plus a private backyard and two driveways.

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    Multifamily Portfolio with Renovated Units
    Multifamily Portfolio with Renovated Units

    85 Union Street, Rockland, ME 04841

    $3,499,990
    23,032 sqft

    For-sale portfolio of 27 multifamily units across three properties with a mix of renovated one- and two-bedroom apartments.

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    Downtown Rockland Apartment Building
    Downtown Rockland Apartment Building

    34-36 Pleasant Street, Rockland, ME 04841

    $999,990
    10,133 sqft 0.33 AC lot

    Eight-unit multifamily property with seven one-bedroom and one two-bedroom unit configuration in Rockland, Maine.

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    Three-Unit Residential Building
    Three-Unit Residential Building

    30 Chestnut Street, Rockland, ME 04841

    $399,000
    3,535 sqft 0.28 AC lot

    Three-unit triplex with updated first-floor kitchen, private entries, and a sprinkler system in the basement.

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    Five-Unit Apartment Building
    Five-Unit Apartment Building

    4 Chestnut St, Rockland, ME 04841

    $545,000

    Five spacious one-bedroom apartments with a large yard and ample on-site parking in central Rockland.

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    Residential Income Home with In-Law Suite
    Residential Income Home with In-Law Suite

    13 Sawpit Road, Appleton, ME 04862

    $399,900
    2,382 sqft 1.34 AC lot

    A 4-bedroom home with an in-law suite featuring a separate entrance, offering flexible multigenerational or rental use.

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    Up-and-Down Duplex with Walk-Out Basement
    Up-and-Down Duplex with Walk-Out Basement

    1032 Commercial Street, Rockport, ME 04856

    $375,000
    1,346 sqft 0.40 AC lot

    Updated second-floor apartment and a walk-out basement add flexible space in this up-and-down duplex on Commercial Street.

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    Historic Greek Revival Duplex
    Historic Greek Revival Duplex

    41 Hyler Street, Thomaston, ME 04861

    $249,000
    2,010 sqft 0.49 AC lot

    Historic Greek Revival duplex on a residential-zoned lot, with a size of 2,010 SF.

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    In-Town Duplex with Private Parking
    In-Town Duplex with Private Parking

    30 - 32 Granite Street, Rockland, ME 04841

    $465,000
    2,800 sqft 0.12 AC lot

    Well-maintained two-unit duplex with private parking, updated exterior systems, and mirror-image 4-bedroom layouts.

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    Farmhouse Multifamily with 3-Story Barn
    Farmhouse Multifamily with 3-Story Barn

    63 Old Rockland Street, Rockport, ME 04856

    $495,000
    1,805 sqft 0.97 AC lot

    A 3-bedroom farmhouse with a wrap-around porch plus an additional little house and a 3-story barn on 0.97 acres.

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

    323 Broadway, Rockland, ME 04841

    $379,000
    1,881 sqft 0.25 AC lot

    Well-maintained Rockland duplex with two rental units, a yard, and off-street parking for up to four vehicles.

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    Mixed-Use Building with Rooftop Deck
    Mixed-Use Building with Rooftop Deck

    410 Main Street, Rockland, ME 04841

    $1,895,000
    8,083 sqft 0.15 AC lot

    Downtown mixed-use building with furnished vacation rentals, street-level retail, and a workshop, plus parking for eight cars.

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    Two-Unit Mixed-Use Property
    Two-Unit Mixed-Use Property

    30 Burkett Road, Union, ME 04862

    $325,000
    1,824 sqft 0.10 AC lot

    Ground-floor bakehouse space with prep rooms and 1.5 baths, plus an upstairs two-bedroom apartment.

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    Mixed-Use Two-Unit Property
    Mixed-Use Two-Unit Property

    30 Burkett Road, Union, ME 04862

    $325,000
    1,824 sqft 0.10 AC lot

    Two-unit mixed-use building with a leased main-level retail/food space and an apartment above.

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    Multi-Use Downtown Commercial Building
    Multi-Use Downtown Commercial Building

    410 Main Street, Rockland, ME 04841

    $1,895,000
    8,083 sqft 0.15 AC lot

    Mixed-use building with bright renovated street-level retail, a workshop space, and furnished vacation rentals plus a private parking lot.

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    Knox County, ME Multifamily Properties Market Trends and Statistics

    Explore 35 multifamily properties for sale in Knox County, ME, showcased through 31 active listings on our real estate platform. These investment opportunities span a total of 150,541 square feet of properties for sale, with an estimated market value of $27,175,910.

    Sale prices for multifamily properties in Knox County, ME start at $249,000, averaging $1,006,515, and reaching up to $3,499,990 — 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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