O Fallon, IL
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    O Fallon, IL Medical Office Space for Sale

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    Swansea, IL Freeburg, IL Smithton, IL
    6 results
    Versatile Mixed-Use Commercial Building
    $799,000
    5,890 SF
    Versatile Mixed-Use Commercial Building

    O Fallon, IL 62269

    Multi-use commercial building in O'Fallon with live-work potential.
    • High‑visibility corner lot location in the heart of O’Fallon.
    • Multi‑use commercial building suitable for daycare, medical facility, or professional office space.
    • Main level includes a room specially constructed for an X‑ray machine.
    • Full basement with living space for a live‑work arrangement.
    • Large detached garage and ample off‑street parking.
    Updated: Oct 16, 2025
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    Medical Building with Multiple Suites
    $250,000
    6,500 SF
    Medical Building with Multiple Suites

    3608 W Main St, Belleville, IL

    6,500 SF medical building with three suites for sale.
    • 6,500 SF medical building with three distinct office suites.
    • Primary suite includes expansive waiting room, reception area, administrative offices, laboratory space, eight examination rooms, three private physician offices, a conference room, and four restrooms.
    • Excellent parking convenience with 36 spaces.
    • 1,700 SF garage facility with dual overhead doors for storage or operational space.
    • High‑visibility location on West Main Street.
    Updated: Jun 27, 2025
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    Belleville Medical Office Investment Opportunity
    $475,000
    4,640 SF
    Belleville Medical Office Investment Opportunity

    Net leased medical office building with lease extension and roof replacement.

    4904 W Main St, Belleville, IL

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    Medical Office in Copper Bend
    $149,000
    2,030 SF
    Medical Office in Copper Bend

    2,030 SF medical office in established office park.

    2900 Frank Scott Pkwy W, Belleville, IL 62223

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    Mixed-Use Investment Property For Sale
    $325,000
    7,888 SF
    Mixed-Use Investment Property For Sale

    Mixed-use investment property in downtown Belleville with residential and commercial spaces.

    100 Mascoutah Ave, Belleville, IL

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    Medical/Office Building with Walkout Basement
    $249,000
    3,000 SF
    Medical/Office Building with Walkout Basement

    3,000 SF medical/office building with finished walkout basement.

    3214 N Illinois St, Belleville, IL 62226

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    Based on your search, we've compiled 14 Potential Opportunities for your consideration. Besides 6 Active listings in O Fallon, IL, we suggest exploring several alternatives: 4 properties in Nearby Cities, plus 4 Land Listings that present a potential for development.

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    South County Medical Office Building
    $2,300,000
    12,360 SF
    South County Medical Office Building

    12,360 SF medical office near Mercy South Hospital.

    Saint Louis, MO

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    Medical Facility on Manchester Road
    $2,800,000
    1,519 SF
    Medical Facility on Manchester Road

    Medical facility with procedure and operating rooms for rent.

    Saint Louis, MO

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    Commercial Building on Highway Business Lot
    $165,000
    1,846 SF
    Commercial Building on Highway Business Lot

    1,847 SF building on 1.61 acre commercial lot.

    815 N Belt W, Swansea, IL 62226

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    Medical Office Space For Sale
    $1,921,053
    7,300 SF
    Medical Office Space For Sale

    Medical office space available for sale in Swansea, Illinois.

    19 Wolf Creek Dr, Swansea, IL 62226

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    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.

    Versatile Office Space in Wood River
    $399,900
    8,000 SF
    Versatile Office Space in Wood River

    8000 sq ft office space suitable for various businesses.

    203 S 6th Street, Wood River, IL 62095

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    Medical Office Building For Sale
    $4,000,000
    64,800 SF
    Medical Office Building For Sale

    64,800 SF medical office building on 4.3 acres.

    1 Professional Drive, Alton, IL 62002

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    Commercial Lot in High-Traffic Area
    $291,740
    0.80 Acres
    Commercial Lot in High-Traffic Area

    Commercial lot with high visibility and convenient highway access.

    2 Cedric Station, Cedar Hill, MO 63016

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    Lake St. Louis Development Site
    $2,763,882
    12.69 Acres
    Lake St. Louis Development Site

    12.69-acre commercial land near planned Costco.

    Lot 7 Hawk Ridge Circle, Lake St Louis, MO 63367

    View details

    O Fallon, IL Medical Office Space Investment Opportunities Market Analysis

    Explore 6 medical office space for sale in O Fallon, IL, showcased through 6 active listings on our real estate platform. These investment opportunities span a total of 29,948 square feet of properties for sale, with an estimated market value of $2,247,000.

    Sale prices for medical spaces in O Fallon, IL start at $149,000, averaging $374,500, and reaching up to $799,000 — 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

    Office Units 10
    Office buildings 2
    Medical Office Space 1
    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 Strategic Investment

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

    Neighborhood Average Price
    62269 $799K

    Taxes & Financing

    Average Loan-to-Value 65.0%

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