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    Monroe County, IL Residential Income Properties for Sale

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    Mixed-Use Building in Historic Downtown
    $710,000
    7,500 SF

    Mixed-Use Building in Historic Downtown

    127 N Main St, Columbia, IL 62236

    Mixed-use building with commercial and residential units in Columbia, IL.

    • Six income‑generating units (3 commercial, 3 residential).
    • Prime location in the heart of historic downtown Columbia.
    • Main‑level commercial spaces with street frontage and excellent visibility.
    • Mixed‑use building offering diverse income streams.
    • Spacious 2‑bedroom, 2.5‑bath residential unit available.
    Updated: Jan 13
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    Waterloo Duplex: Investment Opportunity
    $239,000
    1,532 SF

    Waterloo Duplex: Investment Opportunity

    201 Koenigsmark Ave, Waterloo, IL 62298

    Well-maintained duplex in downtown Waterloo with income potential.

    • Great investment opportunity with income potential in downtown Waterloo.
    • Duplex offers versatility for investors or owner‑occupants.
    • Walking distance to downtown amenities, shops, and restaurants.
    • One unit is vacant (1 bed, 1 bath) and ready for immediate occupancy or rental.
    • Second unit is occupied (3 beds, 1 bath) with attached 2‑car garage.
    Updated: Dec 24, 2025
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    Multi-Use Commercial Building in Columbia
    $1,100,000
    11,100 SF

    Multi-Use Commercial Building in Columbia

    Commercial building with four spaces and two residential apartments.

    102 N Main St, Columbia, IL 62236
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    Well-Maintained Duplex in Waterloo, IL
    $315,000
    1,998 SF

    Well-Maintained Duplex in Waterloo, IL

    Duplex with 2BR/1BA units, garages, and outdoor spaces.

    101 Jefferson Dr, Waterloo, IL 62298
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    Based on your search, we've compiled 9 Potential Opportunities for your consideration. Besides 4 Active listings in Monroe County, IL, we suggest exploring several alternatives: similar 5 Off-Market properties to explore as potential leads

    Explore Off-Market Properties in Monroe County, IL

    Consider similar Off-Market properties in Monroe County, IL. 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.

    503 Park St

    503 Park St

    Multifamily properties • 16,210 SF
    Value Estimation by Request
    503 Park St, Waterloo, IL 62298
    View details
    1366 Walnut Rdg Dr

    1366 Walnut Rdg Dr

    APARTMENT HOUSE (5+ UNITS) • 0.88 Acres
    Value Estimation
    $675,000
    1366 Walnut Rdg Dr, Columbia, IL 62236-1039
    View details
    830 Glenbriar Dr

    830 Glenbriar Dr

    APARTMENT HOUSE (5+ UNITS) • 0.32 Acres
    Value Estimation
    $450,000
    830 Glenbriar Dr, Waterloo, IL 62298-2025
    View details

    Monroe County, IL Residential Income Properties Investment Opportunities Market Analysis

    Explore 7 residential income properties for sale in Monroe County, IL, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 3,307,694 square feet of properties for sale, with an estimated market value of $5,141,400.

    Prices for residential income properties in Monroe County, IL start at $239,000, averaging $642,675, and reaching up to $1,281,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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