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    Illinois Duplexes for Sale

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    1,447 properties
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    Historic Duplex with Short-Term Rental
    Updated: Jun 30
    Historic Duplex with Short-Term Rental

    209 S Prospect Street, Galena, IL 61036

    $850,000
    4,608 sqft
    4,608 square feet arranged as two separate residences
    Each residence offers 3 bedrooms and 3 bathrooms
    City of Galena short‑term rental license for 4‑person occupancy
    Built in 1900 with Federal‑style brick construction and Greek Revival influences
    Elevated setting with panoramic views across Galena and surrounding countryside
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    Duplex with Finished Basements
    Updated: Aug 15
    Duplex with Finished Basements

    O Fallon, IL 62269

    $675,000
    2,142 sqft 0.67 AC lot
    Two‑unit duplex with 2 bedrooms and 3 bathrooms on each side
    Left side: ~1,375 sq ft with ~500 sq ft garage; right side: 1,420 sq ft with ~490 sq ft garage
    Each unit includes approximately 725 sq ft of partially finished basement space
    0.67‑acre property at 106 S Lawn Avenue, O'Fallon, IL 62269
    Covered composite decks overlook a deep backyard
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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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    Renovated Mixed-Use Property
    Renovated Mixed-Use Property

    517 S 9th Ave, Maywood, IL 60153

    $599,999
    7,712 sqft

    Combines leased residential units with renovated automotive shop space and included equipment.

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    Duplex with Full Basements
    Duplex with Full Basements

    13014 Bermuda Grass Court, Breese, IL 62230

    $299,000
    2,228 sqft 0.28 AC lot

    Two occupied units provide separate laundry facilities, full basements, and established residential functionality.

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    Updated Two-Unit Duplex
    Updated Two-Unit Duplex

    409-411 Glendale Road, Loves Park, IL 61111

    $230,000
    2,485 sqft

    All-brick duplex with separate garages, basement flex areas, and recent improvements across both units.

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    Ranch Duplex with Central Air
    Ranch Duplex with Central Air

    112 Kingsway Drive, Belleville, IL 62226

    $174,500
    2,032 sqft 0.21 AC lot

    Ranch-style duplex on a 0.21-acre lot with two 2-bedroom, 1-bath units, central air, and a 1-car carport.

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    Mixed-Use Building with Commercial Space
    Mixed-Use Building with Commercial Space

    5154 W Wolfram St, Chicago, IL 60641

    $699,000
    8,984 sqft

    Two residential units complement commercial space along Laramie Avenue at Diversey Avenue.

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    Remodeled Duplex with Attached Garage
    Remodeled Duplex with Attached Garage

    920 E Beaumont Avenue, Greenville, IL 62246

    $280,000
    2,069 sqft 0.72 AC lot

    Two separate units offer flexible short-term rental, long-term leasing, or owner-occupancy arrangements.

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    Two-Unit Duplex with Off-Street Parking
    Two-Unit Duplex with Off-Street Parking

    517 Mascoutah Avenue, Belleville, IL 62220

    $129,900
    1,813 sqft 0.39 AC lot

    Two residences offer central air, deck space, and public water service on a 0.39-acre parcel.

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    Remodeled Mixed-Use Building
    Remodeled Mixed-Use Building

    3511 S Halsted St, Chicago, IL 60609

    $825,000
    5,000 sqft

    Fully leased property combining neighborhood retail with two residential apartments and flexible month-to-month tenancy.

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    Renovated 2-Unit Duplex
    Renovated 2-Unit Duplex

    2228-2230 10th Street, Rockford, IL 61104

    $280,000
    3,564 sqft

    Two updated residences offer two bedrooms, two full baths, and a separate office or den apiece.

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    Two-Unit Duplex with Central Air
    Two-Unit Duplex with Central Air

    O Fallon, IL 62269

    $259,000
    2,040 sqft 0.21 AC lot

    Each residence offers two bedrooms and one bathroom, with both units currently occupied.

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    New-Construction Duplex with Garden Residence
    New-Construction Duplex with Garden Residence

    1433 S Trumbull Avenue, Chicago, IL 60623

    $549,999
    2,900 sqft

    Two independent residences offer separate kitchens, laundry, entrances, and utility meters for flexible occupancy.

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    Renovated Duplex with Central Air
    Renovated Duplex with Central Air

    1619 Charles Street, Rockford, IL 61104

    $199,900
    2,916 sqft

    Two residential units offer multi-level layouts, seven bedrooms, on-site parking, and access to nearby transit and services.

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    Duplex with Two-Car Garage
    Duplex with Two-Car Garage

    314 W H Street, Belleville, IL 62226

    $144,000
    2,610 sqft 0.20 AC lot

    Duplex in Belleville with two units, each with a garage, and a 2022 rehab on both sides.

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    Renovated 2-Flat with Carriage House
    Renovated 2-Flat with Carriage House

    2732 W Belmont Avenue, Chicago, IL 60618

    $1,500,000
    2,200 sqft 0.21 AC lot

    Fully renovated 2-flat with two 3-bedroom apartments, a brick carriage house/garage, and a private parking lot.

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    Duplex With Separate Utilities
    Duplex With Separate Utilities

    411 E Sycamore Street, Elizabeth, IL 61028

    $259,000
    3,024 sqft

    Two-unit property with private laundry, patios, off-street parking, and flexible finished and unfinished lower-level areas.

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    Newer Two-Unit Residential Property
    Newer Two-Unit Residential Property

    5431 30th Place, Cicero, IL 60804

    $699,000
    3,000 sqft

    Turnkey two-unit property built in 2023 with modern finishes, multiple bedrooms and bathrooms, and an unfinished basement.

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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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    Townhouse-Style Duplex with Easement
    Townhouse-Style Duplex with Easement

    1132 E 44th Street, Chicago, IL 60653

    $650,000
    3,300 sqft

    Duplex with two independent units, separate utility metering, and a dedicated side-yard easement for added outdoor flexibility.

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    Occupied Duplex with Basement Units
    Occupied Duplex with Basement Units

    205 Walnut Street, Bartelso, IL 62218

    $379,000
    2,886 sqft 0.27 AC lot

    Tenant-occupied duplex with separate three-bedroom and two-bedroom residences, each offering an unfinished basement.

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    Spacious Two-Unit Duplex
    Spacious Two-Unit Duplex

    6823 S Chappel Avenue, Chicago, IL 60649

    $299,900
    5,000 sqft

    Each residence offers formal dining, three bedrooms, two bathrooms, and a built-in kitchen breakfast table.

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    Brick Duplex with Covered Parking
    Brick Duplex with Covered Parking

    213 Brackett Street, Swansea, IL 62226

    $169,900
    1,350 sqft 0.20 AC lot

    Brick duplex with two bedrooms and one bathroom per unit, shared laundry, and covered parking in back.

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    Illinois Duplexes Market Trends and Statistics

    Explore 1447 duplexes for sale in Illinois, showcased through 1447 active listings on our real estate platform. These investment opportunities span a total of 602,282 square feet of properties for sale, with an estimated market value of $413,227,324.

    Sale prices for duplexes in Illinois start at $34,900, averaging $363,117, and reaching up to $1,500,000 — 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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