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    O Fallon, IL
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    O Fallon, IL Office Units for Sale

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    Swansea, IL Freeburg, IL Smithton, IL
    17 listings
    Multi-Tenant Office Building with Elevator
    $800,000
    10,300 SF
    Multi-Tenant Office Building with Elevator

    120 W Main Street, Belleville, IL 62220

    Mostly leased multi-tenant office building with elevator service and two small suites currently available for new occupants.
    • Multi‑tenant commercial building in Downtown Belleville, about one block from the courthouse
    • Mostly leased with approximately $9,250/month in rental income
    • Two small office suites currently available with projected rents of $1,075/month
    • Multiple office and commercial spaces with an on‑site elevator
    • Brick construction with carpet flooring, forced‑air heating, and central air
    Updated: Jun 22
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    Multi-Tenant Downtown Commercial Building
    $550,000
    6,000 SF
    Multi-Tenant Downtown Commercial Building

    100 W Main Street, Belleville, IL 62220

    Fully leased multi-unit building generating current monthly rental income in a central downtown setting.
    • $4,800/month current rental income from a fully leased multi‑tenant building
    • Brick multi‑unit commercial building with multiple office and commercial spaces
    • Central air and forced‑air heating
    • Flooring includes carpet and tile
    • Built in 1900
    Updated: Jun 16
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    Flex Space with Detached Outbuilding
    $169,000
    1,070 SF
    Flex Space with Detached Outbuilding

    Versatile indoor workspace paired with a detached garage on a sizeable lot for storage, workshop, or operational needs.

    5912 N Belt W, Belleville, IL 62223

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    Historic Mixed-Use Building in Belleville
    $299,000
    3,200 SF
    Historic Mixed-Use Building in Belleville

    Two-story mixed-use building in downtown Belleville's commercial corridor.

    18 E Main Street, Belleville, IL 62220

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    Mixed-Use Corner Property
    $400,000
    0.35 Acres
    Mixed-Use Corner Property

    Corner commercial property with B-1 zoning and frontage along Highway 50 for strong retail or office visibility.

    O Fallon, IL 62269

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    Flexible Retail and Office Space
    $140,000
    Flexible Retail and Office Space

    Flexible interior layout suitable for retail, office, or service use in a high-traffic Belleville location.

    626 N 38th Street, Belleville, IL 62226

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    Two-Level Refurbished Office Space
    $56,000
    1,152 SF
    Two-Level Refurbished Office Space

    Refurbished two-level offices with multiple rooms and a shared bathroom, recently painted and carpeted in a downtown setting.

    6 Lebanon Avenue, Belleville, IL 62220

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    Downtown Belleville Office For Sale
    $125,000
    0.07 Acres
    Downtown Belleville Office For Sale

    Office space in downtown Belleville with off-street parking.

    122 W Main St, Belleville, IL

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    Former Law Office For Sale
    $120,000
    2,716 SF
    Former Law Office For Sale

    2,716 SF office space in high visibility location.

    3540 N Belt W, Belleville, IL

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    Office Space with Interstate Visibility
    Contact for pricing
    580 SF
    Office Space with Interstate Visibility

    Office space for rent with excellent interstate access and visibility.

    1550-1562 Frontage Rd, O Fallon, IL 62269

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    Office/Warehouse Building For Sale
    Contact for pricing
    20,176 SF
    Office/Warehouse Building For Sale

    Office/warehouse building with spaces for lease and interstate access.

    O Fallon, IL 62269

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    Truck Terminal For Sale
    $2,100,000
    25,188 SF
    Truck Terminal For Sale

    25,188 SF truck terminal with income-generating potential.

    5920 Gateway Industrial Dr, Belleville, IL 62223

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    Belleville Retail/Office Opportunity
    $980,000
    3,557 SF
    Belleville Retail/Office Opportunity

    Retail/office space available for sale in Belleville, Illinois.

    648 Carlyle Ave, Belleville, IL 62221

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    O'Fallon Mixed-Use Income Property
    $275,000
    3,036 SF
    O'Fallon Mixed-Use Income Property

    High-traffic corner lot with multiple income streams in O'Fallon.

    O Fallon, IL 62269

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    Commercial Building and Sporting Goods
    $120,000
    6,146 SF
    Commercial Building and Sporting Goods

    Two-story commercial building with retail and office space for sale.

    127 W Main St, Belleville, IL

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    Belleville Office Space Available
    Contact for pricing
    8,736 SF
    Belleville Office Space Available

    8,736 SF office space for rent in Belleville, IL.

    28 W 64th St, Belleville, IL

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    Restaurant Building on Carlyle Avenue
    $299,000
    2,600 SF
    Restaurant Building on Carlyle Avenue

    2,600 SF restaurant building for sale on Carlyle Avenue.

    601 Carlyle Avenue, Belleville, IL 62221

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    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 17 Active Listings in O Fallon, IL

    O Fallon, IL Office Units Market Trends and Statistics

    Explore 17 office units for sale in O Fallon, IL, showcased through 17 active listings on our real estate platform. These investment opportunities span a total of 64,965 square feet of properties for sale, with an estimated market value of $5,768,000.

    Sale prices for office units in O Fallon, IL start at $56,000, averaging $524,363, and reaching up to $2,100,000 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Office Units 12
    Medical Office Space 2
    Office buildings 2
    Serviced offices 1

    Demographics Overview

    Population 36K
    Population Growth (5Y) +11.0%
    Median Household Income $100,167
    College Educated 74.8%

    High-Yield Neighborhoods for Investment

    Identify O Fallon submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    62269 $275K

    Taxes & Financing

    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in St. Clair County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in St. Clair County

    Office

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    Most Searched ZIP Codes in O Fallon, IL

    • 62220
    • 62269
    • 62221
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