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    Dekalb County, IL Office Spaces for Sale

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    Two Buildings in Central District
    Updated: May 4
    Two Buildings in Central District

    101 & 109 W Church Street, Sandwich, IL 60548

    $250,000
    1,600 sqft · 0.17 AC lot
    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
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    This listing looks promising.

    Here's a quick look at some key insights for

    101 & 109 W Church Street, Sandwich, IL 60548

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    • Est. Cap Rate

      8.8%
      Above avg (5.9%)

    • Est. NOI

      $22K
      Annual

    • Price @ 7% Cap

      $315K
      Above asking
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    Downtown DeKalb Office Building
    Updated: May 4
    Downtown DeKalb Office Building

    155 N 3rd Street, Dekalb, IL 60115

    $250,000
    30,000 sqft · 0.48 AC lot
    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.
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    Historic Mixed-Use Investment Opportunity
    Historic Mixed-Use Investment Opportunity

    134 W State Street, Sycamore, IL 60178

    $1,075,000
    0.15 AC lot

    Fully leased mixed-use building in downtown Sycamore.

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    Multi-Building Commercial Property
    Multi-Building Commercial Property

    1126 E State Street, Sycamore, IL 60178

    $499,000
    2.04 AC lot

    Multi-building commercial site with retail/shop space, greenhouse atrium, and leased residence for diversified use.

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    Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center
    Free Standing Commercial Building
    Free Standing Commercial Building

    220 E State Street, Sycamore, IL 60178

    $183,000
    0.14 AC lot

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

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    Two-Unit Office Building with Basement
    Two-Unit Office Building with Basement

    129 E Locust Street, Dekalb, IL 60115

    $229,000
    0.06 AC lot

    Fully leased two-unit office property with separate mechanicals and a full basement, including finished space and storage.

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    Mixed-Use Building with Office Apartments
    Mixed-Use Building with Office Apartments

    217 S 3rd Street, Dekalb, IL 60115

    $274,900
    0.19 AC lot

    Flexible mixed-use setup with a ground-floor professional office and three income-producing apartments, plus parking and storage.

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    Fenced Site with Multiple Buildings
    Fenced Site with Multiple Buildings

    320 W Lincoln Hwy, Cortland, IL 60112

    $1,100,000
    7,140 sqft · 3.00 AC lot

    Three-acre fenced site with warehouse, office, and outbuildings for sale.

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    Two-Story Office Building
    Two-Story Office Building

    101 S Sycamore St, Hinckley, IL 60520

    $345,000
    10,196 sqft

    Two-story office building with a full basement and street parking nearby for flexible workspace use.

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    Fully Leased Historic Mixed-Use Building
    Fully Leased Historic Mixed-Use Building

    134 W State Street, Sycamore, IL 60178

    $1,075,000
    8,494 sqft

    Mixed-use historic building with four residential units and two ground-floor commercial spaces, fully leased for ongoing occupancy.

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    Retail/Office Space in Sandwich, Illinois
    Retail/Office Space in Sandwich, Illinois

    1112 E Railroad Street, Sandwich, IL 60548

    $249,900
    2,600 sqft

    Retail/office space in high-traffic area with immediate rental income.

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

    3300 Commerce Drive, Dekalb, IL 60115

    $525,000
    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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    Historic Mixed-Use Building in Sycamore
    Historic Mixed-Use Building in Sycamore

    134 W State Street, Sycamore, IL 60178

    $1,150,000

    Fully leased mixed-use historic building in downtown Sycamore.

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

    201 W Main Street, Genoa, IL 60135

    $399,000
    4,000 sqft

    Fully rented commercial space and two residential apartments for sale.

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    Downtown DeKalb Office Building
    Downtown DeKalb Office Building

    121 W Lincoln Hwy, Dekalb, IL 60115

    $1,300,000
    15,242 sqft

    15,242 SF office building in downtown DeKalb.

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    Upgraded Office Building For Sale
    Upgraded Office Building For Sale

    711 N 1st Street, Dekalb, IL 60115

    $235,000
    3,644 sqft · 1.20 AC lot

    Single or multi-tenant office with upgrades and parking.

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    Turnkey Salon with Expansion Potential
    Turnkey Salon with Expansion Potential

    2525 Bethany Road, Sycamore, IL 60178

    $684,000
    7,200 sqft

    Fully improved salon with suite rental income potential.

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    Turnkey Salon with Expansion Potential
    Turnkey Salon with Expansion Potential

    2525 Bethany Rd, Dekalb, IL 60115

    $684,000
    7,200 sqft

    Fully improved salon with suite rental income potential.

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    Versatile Commercial Investment Opportunity
    Versatile Commercial Investment Opportunity

    114 N Washington Street, Genoa, IL 60135

    $169,000

    Mixed-use property with retail, office, and residential spaces.

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    Versatile Climate-Controlled Steel Building
    Versatile Climate-Controlled Steel Building

    1796 Sycamore Road, Dekalb, IL 60115

    Contact for pricing
    22,651 sqft

    3,185 sq ft flex space with loading dock.

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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.

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    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 21 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.

    228 4Th St
    Office Spaces

    228 4Th St, DeKalb, IL 60115

    Value Estimation by Request
    View details
    2127 Sycamore Il
    Medical Office Space

    2127 Sycamore Il, Sycamore, IL 60178

    Value Estimation by Request
    View details
    1705 Mediterranean Dr
    Medical Office Space

    1705 Mediterranean Dr, Sycamore, IL 60178

    Value Estimation by Request
    9,964 sqft · 2.15 AC lot
    View details

    Dekalb County, IL Office Spaces Market Trends and Statistics

    Explore 26 office spaces for sale in Dekalb County, IL, showcased through 21 active listings on our real estate platform. These investment opportunities span a total of 101,028 square feet of properties for sale, with an estimated market value of $7,096,900.

    Sale prices for office spaces in Dekalb County, IL start at $235,000, averaging $591,408, 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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