Advertise
    Illinois
    Duplex
    AI Picks

    Whiteside County, IL Duplexes for Sale

    Notify Me
    List
    Map
    Chicago, IL Springfield, IL Peoria, IL Rockford, IL Belleville, IL Aurora, IL Joliet, IL Champaign, IL
    9 properties
    Sort:
    Brick Duplex with Full Basement
    Updated: Aug 27
    Brick Duplex with Full Basement

    304 8th Avenue, Rock Falls, IL 61071

    $130,000
    Two 1‑bedroom, 1‑bath units in a brick duplex
    Full basement with shared washers and dryers
    Separate utilities; tenants pay their own utility expenses
    New roof installed July 2026; water heaters updated in 2025
    Fenced backyard with garage parking
    View details
    Remodeled Duplex
    Updated: Jul 9
    Remodeled Duplex

    1212 12th Avenue, Sterling, IL 61081

    $169,950
    Two‑unit duplex with a 4‑bedroom, 1‑bath main‑floor apartment
    1‑bedroom, 1‑bath apartment on the upper level
    Main‑floor remodeling includes kitchen, bathroom, flooring, doors, trim, and light fixtures
    Roof replaced August 2022
    Exterior stairs and deck painted in 2023; 1/2 of exterior painted in 2026
    View details
    Retro Bar with Apartments
    Retro Bar with Apartments

    213 Washington St, Prophetstown, IL 61277

    $84,500
    2,600 sqft

    Former bar space with a distinctive built-in serving area, adaptable open layout, and two rented apartments above.

    View details
    See what stands out in Whiteside County

    We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

    We check every listing here. A few are worth a second look.

    Cap Rate available after sign in
    NOI available after sign in
    Local Demand available after sign in
    Renovated Duplex with Laundry
    Renovated Duplex with Laundry

    Rock Falls, IL 61071

    $149,900

    Main-level residence includes updated systems, kitchen, bath, windows, and in-unit laundry.

    View details
    Modern Duplex
    Modern Duplex

    1012 W 4th Street, Sterling, IL 61081

    $141,000

    Two-unit residential property with matching layouts, natural gas service, and forced-air heating.

    View details
    Duplex with Detached Garage
    Duplex with Detached Garage

    510 11th Avenue, Rock Falls, IL 61071

    Contact for pricing

    Two-unit property combines refreshed lower-level finishes with month-to-month occupancy upstairs.

    View details
    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Side-by-Side Duplex Investment
    Side-by-Side Duplex Investment

    811 Leroy Ave, Rock Falls, IL 61071

    Contact for pricing
    3,126 sqft

    A spacious side-by-side duplex with two rented units, separate utilities, basements, and private outdoor living space.

    View details
    Two-Unit Duplex with Basement
    Two-Unit Duplex with Basement

    212 11th Avenue, Sterling, IL 61081

    Contact for pricing

    Two separately configured apartments share basement storage and laundry facilities.

    View details
    Two-Unit Duplex with Basement
    Two-Unit Duplex with Basement

    506 Ave F, Sterling, IL 61081

    Contact for pricing

    Upstairs and downstairs residences each offer two bedrooms and one bathroom, with the lower unit including basement laundry.

    View details
    Based on your search, we've compiled 9 Potential Opportunities for your consideration. Besides 9 Active listings in Whiteside County, IL, we suggest exploring several alternatives:

    Whiteside County, IL Duplexes Market Trends and Statistics

    Explore 9 duplexes for sale in Whiteside County, IL, showcased through 9 active listings on our real estate platform. These investment opportunities span a total of 5,726 square feet of properties for sale, with an estimated market value of $675,350.

    Sale prices for duplexes in Whiteside County, IL start at $84,500, averaging $135,070, and reaching up to $169,950 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

    List
    Map

    Duplexes by market

    Browse Duplexes for Sale Near Whiteside, IL

    Popular Categories

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!