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    Dekalb County, IL Office Buildings for Sale

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    Five-Story Office Building
    Updated: May 4
    Five-Story Office Building

    155 N 3rd Street, Dekalb, IL 60115

    $199,500
    0.48 AC lot
    Approximately 30,000 sq. ft. across five floors, plus a 5,000 sq. ft. basement
    First floor configured for former bank use; office areas occupy floors 2 through 5
    Basement includes a drive‑through and functional walk‑in safe
    On‑site parking for around 22 vehicles
    Fiber installed and central air provided
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    Fully Leased Office Building
    Updated: Aug 4, 2025
    Fully Leased Office Building

    129 E Locust Street, Dekalb, IL 60115

    $229,000
    0.06 AC lot
    100% occupied by an established office tenant and a salon
    Approximately 8.5% cap rate
    Two‑unit setup with three entrances and 3 bathrooms
    Dedicated furnaces, air conditioners, and water heaters for both units
    Full basement with finished area, concrete floor, bathroom, and storage space
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    Five-Story Office Building with Basement
    Five-Story Office Building with Basement

    155 N 3rd St, Dekalb, IL 60115

    $199,500
    30,000 sqft

    Five-story office building with basement, drive-through, on-site parking, and fiber installed.

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    Realmo Analytics Monitor Off-market properties and contact owners who are ready to sell. Many signals applied to make quality leads for you. Get Leads
    Based on your search, we've compiled 7 Potential Opportunities for your consideration. Besides 3 Active listings in Dekalb 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 Parcel
    Commercial Land Parcel

    St Charles, IL 60174

    $999,999
    2.05 AC lot

    Two-parcel commercial land offering within the Foxfield Commons PUD.

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    Triangular Corner Commercial Land
    Triangular Corner Commercial Land

    Huntley Road lot: 009, Carpentersville, IL 60110

    $550,000
    2.41 AC lot

    Raw commercial parcel positioned near the Randall Road corridor and across from an elementary school.

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    Commercial Land with Road Frontage
    Commercial Land with Road Frontage

    2234 S Eola Road, Aurora, IL 60503

    $475,000
    1.06 AC lot

    Commercial land in Aurora with COMMR zoning and stated flexibility for several business uses.

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    Commercial Land with Corner Frontage
    Commercial Land with Corner Frontage

    2495 Hafenrichter Road lot: 2, Aurora, IL 60503

    $439,000
    1.38 AC lot

    Zoned COMMR with access from two roads near retail, schools, parks, and established residential areas.

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    Dekalb County, IL Office Buildings Market Trends and Statistics

    Explore 3 office buildings for sale in Dekalb County, IL, showcased through 3 active listings on our real estate platform. These investment opportunities span a total of 30,000 square feet of properties for sale, with an estimated market value of $628,000.

    Sale prices for commercial office buildings in Dekalb County, IL start at $199,500, averaging $209,333, and reaching up to $229,000 — 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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