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    Knox County, ME Residential Income Properties for Sale

    20 results
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    Rockland Duplex with Rental History
    $509,900
    2,800 SF

    Rockland Duplex with Rental History

    30 Granite St, Rockland, ME 04841

    Well-maintained Rockland duplex near downtown shops and restaurants.

    • Strong rental history and income‑producing potential in a desirable in‑town location.
    • Excellent proximity to downtown Rockland shops, restaurants, and the ferry terminal.
    • Two mirror‑image units, each with 4 bedrooms and 2 full bathrooms.
    • Option for a first‑floor bedroom in each unit for flexible living arrangements.
    • Updated exterior with a newer roof and vinyl siding.
    Updated: Mar 9
    View details
    Warren Two-Unit Property with Garage
    $360,000
    2,000 SF

    Warren Two-Unit Property with Garage

    350 Main St, Warren, ME 04864

    Two-unit property with a three-bay garage and rental potential.

    • Two‑unit property offering rental income potential
    • 3‑bay garage, currently a woodworking studio, suitable for workshop or boat storage
    • Off‑street parking in addition to garage
    • Unique Maine‑style craftsmanship with maritime‑inspired accents and antique finishes
    • Well‑maintained property with an 1820s foundation
    Updated: Mar 2
    View details
    Colonial Duplex in Downtown Thomaston
    $399,000
    2,162 SF

    Colonial Duplex in Downtown Thomaston

    Classic colonial duplex with versatile layout and downtown location.

    27 Lawrence Avenue Ext, Thomaston, ME 04861
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    Rockport Multi-Family Investment Opportunity
    $375,000
    1,346 SF

    Rockport Multi-Family Investment Opportunity

    Well-maintained duplex in Rockport with rental history and conversion potential.

    1032 Commercial St, Rockport, ME 04856
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    Downtown Rockland Multi-Use Commercial Building
    $1,895,000
    8,083 SF

    Downtown Rockland Multi-Use Commercial Building

    Multi-use commercial building in downtown Rockland with retail and residential spaces.

    410 Main St, Rockland, ME 04841
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    Historic Camden Mixed-Use Property
    $1,350,000
    4,424 SF

    Historic Camden Mixed-Use Property

    Versatile property in the heart of Camden with multiple potential uses.

    84 Elm St, Camden, ME 04843
    View details
    Downtown Rockland Multi-Use Building
    $1,895,000
    8,083 SF

    Downtown Rockland Multi-Use Building

    Multi-use building in downtown Rockland with retail and residential units.

    410 Main St, Rockland, ME 04841
    View details
    Rockland Triplex with Value-Add Potential
    $425,000
    3,411 SF

    Rockland Triplex with Value-Add Potential

    Three-unit apartment building in Rockland, Maine, with investment potential.

    68 Masonic St, Rockland, ME 04841
    View details
    Rockport Multi-Family Living Spaces
    $530,000
    2,811 SF

    Rockport Multi-Family Living Spaces

    Two detached homes on 4.06 acres, ideal for multi-generational living.

    810 Rockland St, Rockport, ME 04856
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    34.4 Acre Commercial Parcel
    $595,000
    34.40 Acres

    34.4 Acre Commercial Parcel

    34.4 acre parcel with approved trailer park in Warren.

    lot 9 &7-1 Falcon Ln, Warren, ME 04864
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    Thomaston Commercial Building with Apartment
    $389,000
    1,520 SF

    Thomaston Commercial Building with Apartment

    Mixed-use building with commercial space and residential income potential.

    145 Main St, Thomaston, ME 04861
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    Mixed-Use Property in Camden, Maine
    $599,900
    1,354 SF

    Mixed-Use Property in Camden, Maine

    Charming 1880 mixed-use property with endless possibilities in Camden.

    93 Elm St, Camden, ME 04843
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    Camden Mixed-Use Income Property
    $1,500,000
    5,520 SF

    Camden Mixed-Use Income Property

    Downtown Camden commercial space with residential apartment and ocean views.

    48 Washington St, Camden, ME 04843
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    34.4 Acres Approved Trailer Park
    $595,000
    34.40 Acres

    34.4 Acres Approved Trailer Park

    34.4 acre parcel with approved 22 lot trailer park.

    lot 9 &7-1 Falcon Ln, Warren, ME 04864
    View details
    Oceanfront Colonial Triplex in Rockport, ME
    $1,250,000
    2,658 SF

    Oceanfront Colonial Triplex in Rockport, ME

    Oceanfront triplex with rental income potential or single-family conversion.

    4 Warrenton St, Rockport, ME 04856
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    Thomaston Mixed-Use Building For Sale
    $399,000
    1,520 SF

    Thomaston Mixed-Use Building For Sale

    Mixed-use building with residential apartment in prime Thomaston location.

    145 Main St, Thomaston, ME 04861
    View details
    Mixed-Use Complex in Downtown Camden
    $2,225,000
    11,691 SF

    Mixed-Use Complex in Downtown Camden

    Mixed-use property with residential and commercial units near Camden harbor.

    56 Elm St, Camden, ME 04843
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    Rockland Fourplex Near Main Street
    $480,000

    Rockland Fourplex Near Main Street

    Well-maintained fourplex with strong rental history near downtown Rockland.

    12 Grace Street Pl, Rockland, ME 04841
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    Spacious Rockland Apartments with Upside
    $599,000

    Spacious Rockland Apartments with Upside

    Five-unit apartment building near downtown Rockland with rental upside.

    4 Chestnut St, Rockland, ME 04841
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    Mixed-Use Building on Route 1
    Contact for pricing

    Mixed-Use Building on Route 1

    Mixed-use building with retail space and residential units.

    495 Main St, Thomaston, ME 04861
    View details
    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 20 Active Listings in Knox County, ME

    Explore Off-Market Properties in Knox County, ME

    Consider similar Off-Market properties in Knox County, ME. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    1055 Middle Rd

    1055 Middle Rd

    Multifamily properties • 1,672 SF
    Value Estimation by Request
    1055 Middle Rd, Warren, ME 04864
    View details
    204 Main St

    204 Main St

    BOARDING/ROOMING HOUSE • 6,034 SF
    Value Estimation by Request
    204 Main St, Rockland, ME 04841-3820
    View details
    16 Pleasant St

    16 Pleasant St

    BOARDING/ROOMING HOUSE • 2,887 SF
    Value Estimation by Request
    16 Pleasant St, Rockland, ME 04841-2710
    View details
    Camden Rd

    Camden Rd

    CAMPGROUND, RV PARK
    Value Estimation by Request
    Camden Rd, Warren, ME 04864
    View details

    Knox County, ME Residential Income Properties Investment Opportunities Market Analysis

    Explore 24 residential income properties for sale in Knox County, ME, showcased through 20 active listings on our real estate platform. These investment opportunities span a total of 231,083,929 square feet of properties for sale, with an estimated market value of $15,836,800.

    Sale prices for residential income properties in Knox County, ME start at $270,000, averaging $833,515, and reaching up to $2,225,000 — 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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