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    Rock Falls, IL
    Duplex

    Rock Falls, IL Duplexes for Sale

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    Sterling, IL Dixon, IL Deer Grove, IL Morrison, IL Tampico, IL Prophetstown, IL Polo, IL Walnut, IL
    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
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    Brick Duplex with Basement
    Updated: Nov 3
    Brick Duplex with Basement

    Rock Falls, IL 61071

    $130,000
    Two 1‑bedroom, 1‑bath units in a brick duplex built in 1997
    Full basement with shared washer and dryer access
    Roof installed in July 2026; water heaters replaced in 2025
    Separate utilities and a fenced backyard
    Near downtown Rock Falls, restaurants, parks, exercise facilities, and the river
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    Two-Unit Duplex
    Two-Unit Duplex

    310 E 3rd St, Rock Falls, IL 61071

    $139,900
    2 units

    Separate utility service and updated electrical panels support the two-unit residential property.

    Utilities to site  1 x 3BR/1BA  1 x 2BR/1BA  Washer/dryer hookups
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    Side-by-Side Duplex
    Side-by-Side Duplex

    Rock Falls, IL 61071

    Contact for pricing
    2 units  Built 1900

    The building requires substantial renovation and is being offered in its current condition.

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    4 active listings match your search: Duplex for sale in Rock Falls, IL. Based on your search, we've also compiled 4 Potential Opportunities for your consideration: 4 properties in nearby cities.

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Two Duplexes with Driveway Parking
    Two Duplexes with Driveway Parking

    103 W Bacon St, Amboy, IL 61310

    $169,000
    2 buildings  Multi-tenant
    100% occupied

    Both properties are fully occupied by month-to-month tenants and offer furnace heating and driveway parking.

    2BR/1BA  Driveway parking
    View details
    Two-Duplex Residential Portfolio
    Two-Duplex Residential Portfolio

    161 N Bailey Avenue, Amboy, IL 61310

    $169,000
    4 units  2 buildings  Built 1994
    100% occupied

    All units are occupied under month-to-month leases, with gas-fired forced-air heating and driveway parking.

    4 x 2BR/1BA  Driveway parking
    View details
    Duplex with Updated Interiors
    Duplex with Updated Interiors

    406 W 6th Street, Sterling, IL 61081

    $99,900
    2 units  Built 1900
    $800/mo avg rent

    Two side-by-side residences have separate meters, private basement areas, and enclosed rear porches.

    2 x 2BR/1BA  Washer and dryer hookups  Enclosed rear porches  Front porch  Hardwood flooring
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    Two-Unit Duplex with Basement
    Two-Unit Duplex with Basement

    506 Ave F, Sterling, IL 61081

    Contact for pricing
    2 units  Built 1900

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

    2 x 2BR/1BA
    View details

    Rock Falls, IL Duplexes Market Trends and Statistics

    Explore 4 duplexes for sale in Rock Falls, IL, showcased through 4 active listings on our real estate platform.

    Sale prices for two-family homes in Rock Falls, IL start at $130,000, averaging $133,300, and reaching up to $139,900 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Duplexes 4
    Mobile home & RV parks 1

    Demographics Overview

    Population 13K
    Population Growth (5Y) -3.7%
    Median Household Income $57,909
    College Educated 22.8%

    High-Yield Neighborhoods for Investment

    Identify Rock Falls submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    61071 $90K

    Taxes & Financing

    Tax Rate (average for all types) 10.35%
    Tax Rate vs County Average 1.73 pp above county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Whiteside County

    New Delisted

    How Realmo verifies these figures

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