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    Madison County, IL Duplexes for Sale

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    Two-Unit Duplex with Porches
    Updated: Oct 5
    Two-Unit Duplex with Porches

    302 E Central Street, Bethalto, IL 62010

    $325,000
    2,352 sqft 0.31 AC lot
    Two units, each with 3 bedrooms and 2 1/2 bathrooms
    2,352 square feet on a 0.31‑acre lot
    Built in 2010
    One unit is occupied; the vacant unit has fresh paint, new carpet, and stainless‑steel appliances
    Front and rear porches with off‑street parking
    View details
    Duplex with Attached Garages
    Updated: Oct 5
    Duplex with Attached Garages

    26 Fox Meadow Lane, Glen Carbon, IL 62034

    $319,900
    1,958 sqft 0.35 AC lot
    Two matching units, each with 2 bedrooms and 1 full bathroom
    1,958 square feet on a 0.3524‑acre lot
    Each unit has an attached 1‑car garage
    Living room fireplace and kitchen breakfast nook in each residence
    Walk‑out lower levels are partially finished and include storage with laundry hookups
    View details
    Remodeled Two-Unit Duplex
    Remodeled Two-Unit Duplex

    821 Alby Street, Alton, IL 62002

    $124,900
    3,258 sqft 0.22 AC lot

    The property combines a two-bedroom residence with a three-bedroom residence and updated finishes in the larger unit.

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    Four-Unit Duplex Package
    Four-Unit Duplex Package

    207-209 Roxana Ave, South Roxana, IL 62087

    $275,000
    1,440 sqft

    Two parcels convey together, with three units occupied and one available for leasing or owner occupancy.

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    Four-Unit Duplex Package
    Four-Unit Duplex Package

    207-209 Roxana Avenue, South Roxana, IL 62087

    $275,000
    1,440 sqft 0.14 AC lot

    Two parcels combine a ranch-style residential income property with three occupied units and one unit available for leasing or occupancy.

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    Duplex Property with Workshop
    Duplex Property with Workshop

    1333 11th Street, Cottage Hills, IL 62018

    $162,500
    1,644 sqft 0.45 AC lot

    Two residences and a separate workshop provide flexible living, family, and project space on a fenced parcel.

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    Brick Duplex with Central Air
    Brick Duplex with Central Air

    2345 State Street, Granite City, IL 62040

    Contact for pricing
    1,218 sqft 0.20 AC lot

    Two-unit property with central air and substantial renovation needs.

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    Duplex with Finished Basements
    Duplex with Finished Basements

    20-22 Carol Dr, Collinsville, IL 62234

    $249,000
    3,160 sqft

    Both residences are occupied and include kitchen appliances plus washer and dryer hookups.

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    Remodeled Duplex
    Remodeled Duplex

    821 Alby St, Alton, IL 62002

    $124,900
    3,258 sqft

    Two-unit residential property with distinct bedroom and bathroom layouts, including one recently updated residence.

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    Townhouse-Style Duplex
    Townhouse-Style Duplex

    16-18 Carol Dr, Collinsville, IL 62234

    $230,000
    2,560 sqft

    Fully occupied duplex with basement storage, off-street parking, and separate utility responsibility.

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    Mixed-Use Building with Apartments
    Mixed-Use Building with Apartments

    602 Wood River Ave, Wood River, IL 62095

    $60,000
    2,555 sqft

    Includes a storefront area, two apartments, and B1 Neighborhood Business zoning.

    View details
    Based on your search, we've compiled 11 Potential Opportunities for your consideration. Besides 11 Active listings in Madison County, IL, we suggest exploring several alternatives:

    Madison County, IL Duplexes Market Trends and Statistics

    Explore 11 duplexes for sale in Madison County, IL, showcased through 11 active listings on our real estate platform. These investment opportunities span a total of 24,843 square feet of properties for sale, with an estimated market value of $2,146,200.

    Sale prices for two-family homes in Madison County, IL start at $60,000, averaging $214,620, and reaching up to $325,000 — 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 Madison County Real Estate Agencies

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

    Tarrant & Harman Real Estate and Auction Co.
    3644 Fosterburg Rd. Alton, IL 62002
    Phone: 16184339436
    www.tarrantandharman.com
    Nester Realty Inc.
    2110 Troy Rd., Ste. G Edwardsville, IL 62234
    Phone: 16185674000
    www.nesterrealty.com
    Keller Williams Marquee
    1254 University Drive, Ste 200 Edwardsville, IL 62025
    Phone: 16183075616
    www.kwmarquee.com
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