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    Knox County, ME Triplexes for Sale

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    Portland, ME Lewiston, ME Bangor, ME Waterville, ME Auburn, ME Augusta, ME Rockland, ME Biddeford, ME
    8 properties
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    Historic Victorian Triplex
    Updated: Jul 17
    Historic Victorian Triplex

    19 Mountain Street, Camden, ME 04843

    $1,250,000
    6,830 sqft 0.31 AC lot
    Triplex with two first‑floor units and an upper residence across the second and third floors
    6,830 square feet on a 0.31‑acre lot
    Built in 1903 with Victorian architectural styling
    Frontage on both Mountain Street and Megunticook Street
    Single‑car garage plus off‑street and on‑street parking
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    Cape Cod Triplex with Garages
    Updated: Aug 3
    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 4,000 square feet of building area
    3.92‑acre residential parcel in Warren, ME
    Two garage spaces provide covered parking or storage
    Built in 1900 with Cape Cod architectural style
    Residential zoning with private well and septic systems
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    Three-Unit Colonial Triplex
    Three-Unit Colonial Triplex

    30 Chestnut Street, Rockland, ME 04841

    $369,500
    3,535 sqft 0.28 AC lot

    Three-level layout with an updated kitchen, private entries, deck, and public water and sewer.

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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Triplex with Two Garage Spaces
    Triplex with Two Garage Spaces

    1014 Atlantic Hwy, Warren, ME 04864

    $499,000
    4,000 sqft

    Legal three-unit property offering covered parking with additional storage or workshop utility.

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    Three-Unit Apartment Building
    Three-Unit Apartment Building

    68 Masonic Street, Rockland, ME 04841

    $395,000
    3,411 sqft 0.19 AC lot

    Wood-frame property with public utilities and a basement in Rockland.

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    Three-Unit Building with Updated Kitchen
    Three-Unit Building with Updated Kitchen

    30 Chestnut St, Rockland, ME 04841

    $369,500
    3,535 sqft

    1855 property with three separate residences, varied bedroom counts, and access to Rockland’s downtown and harbor areas.

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    Three-Unit Apartment Building
    Three-Unit Apartment Building

    68 Masonic St, Rockland, ME 04841

    $395,000
    3,411 sqft

    In-town multifamily property with three apartment units and 1880 construction.

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    Well-Maintained Triplex with Rental History
    Well-Maintained Triplex with Rental History

    12 Gay St, Rockland, ME 04841

    $417,000

    Triplex offers two 2-bedroom, 1-bath units and one 1-bedroom, 1-bath unit.

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    Based on your search, we've compiled 8 Potential Opportunities for your consideration. Besides 8 Active listings in Knox County, ME, we suggest exploring several alternatives:

    Knox County, ME Triplexes Market Trends and Statistics

    Explore 8 triplexes for sale in Knox County, ME, showcased through 8 active listings on our real estate platform. These investment opportunities span a total of 28,722 square feet of properties for sale, with an estimated market value of $4,194,000.

    Sale prices for three-family homes in Knox County, ME start at $369,500, averaging $524,250, and reaching up to $1,250,000 — 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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