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    Dekalb County, IL Office Buildings for Sale

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    Chicago, IL Springfield, IL Rockford, IL
    Two Buildings in Central District
    $250,000
    1,600 SF
    Two Buildings in Central District

    101 & 109 W Church Street, Sandwich, IL 60548

    Two buildings on a private lot in Sandwich's Central District.
    • Two separate buildings on one property, offering flexibility for business use and rental income
    • Prime location on Rt 34 in Sandwich's Central Business District with high traffic and excellent visibility
    • Private parking lot with 13 spaces, sealcoated and re‑striped in 2025
    • Main building (approx. 1,600 sq ft) renovated in 2025 with new flooring, paint, and updated bath; new furnace/AC (2024) and hot water heater (2026)
    • Second building ('Annex', approx. 700 sq ft) with new central heating and air installed in 2025
    Updated: May 4
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    Downtown DeKalb Office Building
    $250,000
    0.48 Acres
    Downtown DeKalb Office Building

    155 N 3rd Street, Dekalb, IL 60115

    Five-story office building in downtown DeKalb with on-site parking.
    • Prime downtown DeKalb location, adjacent to the DeKalb Theater and close to amenities.
    • Approximately 30,000 sq. ft. of office space plus a 5,000 sq. ft. basement with drive‑through.
    • On‑site parking for approximately 22 vehicles.
    • Located in a downtown TIF/Redevelopment District, offering value‑add or redevelopment potential.
    • Flexible floorplans adaptable for various uses.
    Updated: May 4
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    DeKalb Commercial Building For Sale
    $229,000
    1,230 SF
    DeKalb Commercial Building For Sale

    Commercial building in downtown DeKalb, ideal for owner-user or investment.

    129 E Locust Street, Dekalb, IL 60115

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    Free Standing Commercial Building
    $183,000
    0.14 Acres
    Free Standing Commercial Building

    Commercial building in Sycamore, IL, with parking and storage.

    220 E State Street, Sycamore, IL 60178

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    Downtown DeKalb Office Building
    $1,300,000
    15,242 SF
    Downtown DeKalb Office Building

    15,242 SF office building in downtown DeKalb.

    121 W Lincoln Hwy, Dekalb, IL 60115

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    Based on your search, we've compiled 9 Potential Opportunities for your consideration. Besides 5 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.

    Yorkville Commercial Land on Rt. 47
    $2,000,000
    3.68 Acres
    Yorkville Commercial Land on Rt. 47

    3.68 acre commercial property on Rt. 47 in Yorkville.

    1015 N Bridge Street, Yorkville, IL 60560

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    Commercial Land in St. Charles
    $999,999
    2.05 Acres
    Commercial Land in St. Charles

    2.05 acre commercial lot near transportation and retail centers.

    St Charles, IL 60174

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    Commercial Lot with Highway Visibility
    $215,000
    9,000 SF
    Commercial Lot with Highway Visibility

    Over 1 acre commercial lot with B-1 zoning in Oswego, IL.

    2071 Wiesbrook Drive, Oswego, IL 60543

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    Prime Corner Lot in Carpentersville
    $550,000
    2.41 Acres
    Prime Corner Lot in Carpentersville

    2.41 acre corner lot near Randall Road corridor.

    Huntley Road lot: 009, Carpentersville, IL 60110

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    Dekalb County, IL Office Buildings Investment Opportunities Market Analysis

    Explore 5 office buildings for sale in Dekalb County, IL, showcased through 5 active listings on our real estate platform. These investment opportunities span a total of 18,072 square feet of properties for sale, with an estimated market value of $1,779,000.

    Sale prices for office properties in Dekalb County, IL start at $229,000, averaging $593,000, and reaching up to $1,300,000 — 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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