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    Whiteside County, IL Office Buildings for Sale

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    Rock Falls Commercial Opportunity
    $350,000
    1.80 Acres

    Rock Falls Commercial Opportunity

    1000 Dixon Avenue, Rock Falls, IL 61071

    Commercial property for sale in Rock Falls, Illinois.

    • Year Built: 1980
    Updated: Mar 8
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    Downtown Sterling Class A Office
    $1,650,000
    13,000 SF

    Downtown Sterling Class A Office

    403 E 3rd St, Sterling, IL

    Class A office building in downtown Sterling, Illinois for sale.

    • 100% occupancy since 1992, providing a stable, high‑credit investment.
    • Anchored by a top national CPA and consulting firm.
    • Located in downtown Sterling, Illinois, near City Hall, the U.S. Post Office, and the courthouse.
    • Class A masonry office building with 13,000 SF.
    • Recent upgrades include a new roof, ADA‑compliant restrooms, and parking improvements.
    Updated: Sep 19, 2025
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    Sterling Office Building For Sale
    $1,650,000

    Sterling Office Building For Sale

    Office building for sale in Sterling, Illinois.

    403 E 3rd St, Sterling, IL 61081
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    Updated Office Building in Morrison
    $125,000
    0.04 Acres

    Updated Office Building in Morrison

    Updated office building in downtown Morrison, move-in ready.

    105 E Main Street, Morrison, IL 61270
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    Based on your search, we've compiled 8 Potential Opportunities for your consideration. Besides 4 Active listings in Whiteside County, IL, we suggest exploring several alternatives: plus 4 Land Listings that present a potential for development.

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Commercial Land on Highway Rt 64
    $175,000
    0.52 Acres

    Commercial Land on Highway Rt 64

    Three city lots zoned B2 Business District on Illinois State Hwy

    510 E Washington, Oregon, IL 61061
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    Rockford Land For Sale
    $279,999
    2.32 Acres

    Rockford Land For Sale

    2.32 acre commercial land available in Rockford, Illinois.

    803 S Mulford Road, Rockford, IL 61108
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    Galena Commercial Land Opportunity
    $88,500

    Galena Commercial Land Opportunity

    1.178 acre commercial land parcel in Galena, Illinois.

    TBD James and Irvine, Galena, IL 61036
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    Rockton Commercial Land For Sale
    $550,000
    13.20 Acres

    Rockton Commercial Land For Sale

    13.2 acres of commercial land in Rockton, Illinois.

    Xxx N Main Street, Rockton, IL 61072
    View details

    Whiteside County, IL Office Buildings Investment Opportunities Market Analysis

    Explore 4 office buildings for sale in Whiteside County, IL, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 13,000 square feet of properties for sale, with an estimated market value of $1,650,000.

    Sale prices for office properties in Whiteside County, IL start at $1,650,000, averaging $1,650,000, and reaching up to $1,650,000 — 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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