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    Dekalb County, IL Office Spaces for Sale

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    17 properties
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    Mixed-Use Building with Apartment
    Updated: Feb 4
    Mixed-Use Building with Apartment

    421 E Church Street, Sandwich, IL 60548

    $365,000
    0.20 AC lot
    Three‑unit configuration with two lower‑level retail spaces and an upper apartment
    1,600‑square‑foot apartment with two bedrooms and two full bathrooms
    20 parking spaces on a 0.2‑acre property
    24 x 16 garage with garage door opener
    Lower units have handicap‑accessible bathrooms and an ADA ramp
    View details
    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
    View details
    Two-Story Retail Building
    Two-Story Retail Building

    111 Monroe Street, Genoa, IL 60135

    $125,000
    0.11 AC lot

    Flexible commercial building with a kitchen, full bathroom, detached garage, and additional land included.

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    Modern Medical Office Building
    Modern Medical Office Building

    1705 Mediterranean Dr, Sycamore, IL 60178

    $1,095,000
    9,964 sqft

    Modern medical office building offered for sale or lease with C-3 Highway Business zoning.

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    Two-Building Office Property
    Two-Building Office Property

    101 & 109 W Church Street, Sandwich, IL 60548

    $195,000
    0.17 AC lot

    Two separate office buildings provide flexible layouts, private parking, and access from Route 34, S. Wolfe Street, and an adjoining alley.

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    Fenced Flex-Space Site
    Fenced Flex-Space Site

    320 W Lincoln Highway, Cortland, IL 60112

    $1,100,000
    3.00 AC lot

    Three-building commercial compound offers enclosed yard storage, warehouse capacity, and office accommodations.

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    Fully Leased Office Building
    Fully Leased Office Building

    129 E Locust Street, Dekalb, IL 60115

    $229,000
    0.06 AC lot

    Two-unit commercial layout with separate utility metering, dedicated mechanical systems, and a full basement.

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    Mixed-Use Building with Apartment
    Mixed-Use Building with Apartment

    421 E Church St, Sandwich, IL 60548

    $365,000
    3,212 sqft

    Two retail spaces and an upper-level residence support a practical live-work configuration.

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    Medical Office with Exam Rooms
    Medical Office with Exam Rooms

    2127 Midlands Drive, Sycamore, IL 60178

    $425,000
    0.07 AC lot

    Configured for clinical or professional operations with dual check-in points, wet rooms, and dedicated procedure space.

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    Medical/Office Space Available
    Medical/Office Space Available

    3301 Resource Pkwy, Dekalb, IL 60115

    $1,400,000
    8,760 sqft

    1500 SF medical/office space for lease near Northwestern Hospital.

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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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    Leased Medical Office Condo
    Leased Medical Office Condo

    1680 Mediterranean Dr Unit 104, Sycamore, IL 60178

    $298,875
    12,950 sqft

    Finished medical office condominium with private access, dedicated signage rights, and a lease extending through 2028.

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    Turn-Key Medical Office Suite
    Turn-Key Medical Office Suite

    3300 Commerce Drive, Dekalb, IL 60115

    Contact for pricing
    3,712 sqft

    Turn-key medical and office space with multiple offices, waiting/reception areas, and ample parking across from Northwestern Kishwaukee Hospital.

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    Refurbished Mixed-Use Property For Sale
    Refurbished Mixed-Use Property For Sale

    201 W Main St, Genoa, IL 60135

    $399,000
    1,500 sqft

    Fully rented commercial space and two residential apartments for sale.

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    Medical/Office Condo Investment Opportunity
    Medical/Office Condo Investment Opportunity

    1680 Mediterranean Dr, Sycamore, IL 60178

    Contact for pricing
    2,391 sqft

    Finished condo leased through 2028 with renewal option.

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    Flex Space with Office and Warehouse
    Flex Space with Office and Warehouse

    115 South Wolfe Street, Sandwich, IL 60548

    $279,900
    57 sqft

    Office and warehouse configuration includes private work areas, storage, a kitchenette, and heated and cooled warehouse space.

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    Medical Office Space Available
    Medical Office Space Available

    2570 Hauser Ross Drive, Sycamore, IL 60178

    Contact for pricing
    6,570 sqft

    Medical office suites for lease or sale near Kishwaukee Hospital.

    View details
    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 17 Active Listings in Dekalb County, IL, we suggest to view alternatives - similar 5 Off-Market properties to explore as potential leads.

    Off-Market Properties in Dekalb County, IL

    Consider similar Off-Market properties in Dekalb County, IL. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    1705 Mediterranean Dr
    Medical Office Space

    1705 Mediterranean Dr, Sycamore, IL 60178

    Estimated value: by Request
    9,964 sqft 2.15 AC lot
    View details
    1705 Mediterranean Dr
    Medical Office Space

    1705 Mediterranean Dr, Sycamore, IL 60178

    Estimated value: by Request
    9,964 sqft
    View details

    Dekalb County, IL Office Spaces Market Trends and Statistics

    Explore 22 office spaces for sale in Dekalb County, IL, showcased through 17 active listings on our real estate platform. These investment opportunities span a total of 79,116 square feet of properties for sale, with an estimated market value of $6,675,775.

    Sale prices for office spaces in Dekalb County, IL start at $125,000, averaging $476,841, and reaching up to $1,400,000 — 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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