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    Winnebago County, IL Duplexes for Sale

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    Remodeled Duplex with Studio
    Remodeled Duplex with Studio

    135 S 8th Street, South Beloit, IL 61080

    $199,900
    1,617 sqft

    Two residential units offer updated interiors, flexible bonus space, and options for an owner-occupant or investor.

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    Vacant Duplex with Separate Utilities
    Vacant Duplex with Separate Utilities

    427 9th Street, Rockford, IL 61104

    $124,999
    3,123 sqft

    Vacant two-unit property with separate utility metering, central air, forced-air heat, and appliances included.

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    Brick Duplex with Covered Porch
    Brick Duplex with Covered Porch

    1423 7th Avenue, Rockford, IL 61104

    $169,900
    2,284 sqft

    Two kitchens, separate entrances, and a spacious covered porch support flexible two-family use.

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    Mixed-Use Retail and Residential Property
    Mixed-Use Retail and Residential Property

    900 Blackhawk Blvd, South Beloit, IL 61080

    Contact for pricing
    780 sqft

    Three-parcel mixed-use property includes a retail building, a 2-family apartment building, and an adjacent parking lot.

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    Updated Duplex with Porch
    Updated Duplex with Porch

    1413 11TH Street, Rockford, IL 61108

    $114,900
    1,888 sqft

    Two-unit residential property with refreshed interiors, a shingle roof, and an oversized concrete driveway.

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    Mixed-Use Property with Storefront
    Mixed-Use Property with Storefront

    3304 W State Street, Rockford, IL 61102

    $219,000
    0.13 AC lot

    Property combines two residential apartments, a commercial storefront, basement storage, and dedicated off-street parking.

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    Duplex with Basement Laundry
    Duplex with Basement Laundry

    1341 CHARLES Street, Rockford, IL 61104

    $145,000
    2,660 sqft

    Two residential units offer separate heating systems, window cooling, and basement laundry connections.

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    Mixed-Use Retail and Apartments
    Mixed-Use Retail and Apartments

    900 Blackhawk Boulevard, South Beloit, IL 61080

    Contact for pricing
    1,864 sqft

    Multi-parcel property combines a retail building, a two-family residence, and adjacent parking for flexible ownership.

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    Ranch-Style Duplex
    Ranch-Style Duplex

    4610 Yale Drive, Rockford, IL 61109

    $220,000
    1,740 sqft

    Two matching residences offer separate basements and individually metered tenant utilities.

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    Ranch-Style Duplex with Garages
    Ranch-Style Duplex with Garages

    3786-3788 Sage Drive, Rockford, IL 61114

    $365,000
    3,544 sqft

    Two occupied units offer separate utilities, private laundry areas, and access to nearby shopping, dining, and I-90.

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    Two-Unit Corner Duplex
    Two-Unit Corner Duplex

    927-929 Halsted Road, Rockford, IL 61103

    $99,900
    960 sqft

    Duplex features two 1-bedroom, 1-bath units with a full shared basement on a corner lot.

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    Duplex with Two Large Units
    Duplex with Two Large Units

    226-228 Smith Avenue, Rockford, IL 61107

    $150,000
    1,264 sqft

    Two upper-level residences offer three bedrooms and one bathroom each, with one unit occupied and the other requiring repairs.

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    Brick Duplex With Rear Garage
    Brick Duplex With Rear Garage

    830 10TH Avenue, Rockford, IL 61104

    $90,000
    2,430 sqft

    Two separate rental units feature hardwood floors, private kitchens, and covered rear decks overlooking the yard.

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    Remodeled Duplex with Flexible Studio
    Remodeled Duplex with Flexible Studio

    135 S 8th St, South Beloit, IL 61080

    $199,900

    Updated two-unit property near downtown Beloit with a converted garage studio and permitted improvements.

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    Mixed-Use Property with Storefront
    Mixed-Use Property with Storefront

    3304 W State Street, Rockford, IL 61102

    $219,000

    Two residential apartments accompany a commercial storefront with off-street parking and updated interior features.

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    Renovated Duplex with Additional Lot
    Renovated Duplex with Additional Lot

    914-916 N Winnebago St, Rockford, IL 61103

    $99,000
    1,400 sqft

    Two-level duplex with refreshed interiors, split-system heating and cooling, and a separately owned adjoining lot included.

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    Multi-Family
    Multi-Family

    948 S 3rd St, Rockford, IL 61104

    $189,999

    Duplexes

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    Updated Duplex With Garage
    Updated Duplex With Garage

    434 16th Avenue, Rockford, IL 61104

    $220,000

    Two apartments feature separate entrances, refreshed interiors, and a detached garage with additional upper-level space.

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    Solid Brick 2-Unit Duplex
    Solid Brick 2-Unit Duplex

    606 S 6th Street, Rockford, IL 61104

    Contact for pricing

    Brick duplex with a vacant 3-bedroom, 1-bath lower unit and a 2-bedroom, 1-bath upper unit.

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    Fully Occupied Two-Unit Income Duplex
    Fully Occupied Two-Unit Income Duplex

    928 8th Avenue, Rockford, IL 61104

    Contact for pricing

    Two-bedroom, one-bath units configured for easy leasing, with one unit on a lease through 11/6/2026.

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    Renovated Duplex: Investment Opportunity
    Renovated Duplex: Investment Opportunity

    713 S 4th Street, Rockford, IL 61104

    Contact for pricing

    Fully renovated duplex with new systems, ideal for investors.

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    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 45 Active Listings in Winnebago County, IL
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