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    O Fallon, IL Office Spaces for Sale

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    Swansea, IL Shiloh, IL Smithton, IL Freeburg, IL Millstadt, IL Fairview Heights, IL East St Louis, IL Caseyville, IL
    32 properties
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    Corner Lot Storefront Property
    Updated: May 15
    Corner Lot Storefront Property

    O Fallon, IL 62269

    $275,000
    3,036 sqft 0.21 AC lot
    Corner lot storefront property with two buildings
    Main building at 633‑635 includes two ground‑floor commercial spaces plus second‑floor space via separate entrance at 102 W. 7th
    Second building at 625 across the paved parking lot houses a hair salon
    0.21‑acre site with 3,036 sq ft building area
    Built in 1897 with metal siding and shingle roof
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    Office Building with Private Offices
    Updated: Jul 11
    Office Building with Private Offices

    12 W Lincoln Street, Belleville, IL 62220

    $199,000
    8,744 sqft 0.11 AC lot
    Office building with numerous private offices, meeting rooms, and flexible work areas
    Dedicated parking lot with over 15 spaces
    Located one block from the St. Clair County Courthouse
    Brick construction completed in 1956
    Two parcels totaling 0.11 acres
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    Two-Story Professional Office Building
    Two-Story Professional Office Building

    O Fallon, IL 62269

    $525,000
    0.17 AC lot

    Two-level brick office building with ADA access, conference space, multiple restrooms, and a walk-out lower level.

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

    140 Iowa Avenue, Belleville, IL 62220

    $499,000
    7,876 sqft

    Combined office and warehouse property with shared tenant amenities, drive-in access, and loading capacity.

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    Renovated Multi-Office Flex Building
    Renovated Multi-Office Flex Building

    1127 East B Street, Belleville, IL 62221

    Contact for pricing
    11,874 sqft 1.06 AC lot

    Renovated two-story office building with climate-controlled private offices, reception, and employee parking on 1.06 acres.

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    Medical Office Space with Six Exam Rooms
    Medical Office Space with Six Exam Rooms

    5300 W Main St, Belleville, IL 62226

    Contact for pricing
    2,500 sqft

    Well-maintained former dental office with six exam rooms, a reception area, and washer/dryer hookups on W Main Street.

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    Office-Flex Facility with Dock Doors
    Office-Flex Facility with Dock Doors

    65 S 65th St, Belleville, IL 62223

    Contact for pricing
    12,960 sqft

    Office-flex building includes multiple offices and bullpen space plus eight 8’x9’ OHDs.

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    Former Pharmacy Office Building
    Former Pharmacy Office Building

    2900 Frank Scott Pkwy W, Belleville, IL 62226

    Contact for pricing
    2,660 sqft

    Office building in Copper Bend Centre with two private offices, an ADA restroom, and mostly open space for professional services.

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    Built-Out Medical Office Suite
    Built-Out Medical Office Suite

    2900 Frank Scott Pkwy W, #960, Belleville, IL 62223

    Contact for pricing
    2,706 sqft

    Well-maintained, fully built-out office with exam, recovery, lab, and multiple private workrooms on two levels.

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    Medical Office in Copper Bend
    Medical Office in Copper Bend

    2900 Frank Scott Pkwy W, Belleville, IL 62223

    Contact for pricing
    2,030 sqft

    2,030 SF medical office in established office park.

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    Medical Building with Multiple Suites
    Medical Building with Multiple Suites

    3608 W Main St, Belleville, IL

    Contact for pricing
    6,500 sqft 0.83 AC lot

    6,500 SF medical building with three suites for sale.

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    Commercial Property with Insulated Garage
    Commercial Property with Insulated Garage

    7100 Old Saint Louis Rd, Belleville, IL 62223

    $140,000

    Commercially zoned property with office, retail, automotive, and live-work configuration potential.

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    Flex Space with Insulated Garage
    Flex Space with Insulated Garage

    7100 Old Saint Louis Road, Belleville, IL 62223

    $130,000

    Commercial SR3 zoning, multiple offices, and an insulated garage create a versatile property configuration.

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    Medical/Office Space in Business Park
    Medical/Office Space in Business Park

    2900 Frank Scott Pkwy W, Belleville, IL

    Contact for pricing
    2,736 sqft 0.05 AC lot

    2,736 SF medical/office space with finished basement and ample parking.

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    Two-Story Lakefront Office Building
    Two-Story Lakefront Office Building

    1668 Windham Way, O Fallon, IL 62269

    Contact for pricing
    5,568 sqft

    Two-level brick office building with ADA access, multiple restrooms, and walk-out lower level on a lake lot.

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    Office Suite with Shared Amenities
    Office Suite with Shared Amenities

    O Fallon, IL 62269

    Contact for pricing
    1,530 sqft

    For-sale office suite totaling 1,530 SF, suited for a range of professional uses.

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    Office Building with Available Space
    Office Building with Available Space

    O Fallon, IL 62269

    Contact for pricing
    2,400 sqft

    For-sale office property featuring 2,400 SF of available space.

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    Special Purpose Office Building
    Special Purpose Office Building

    6400 W. Main, Belleville, IL 62223

    Contact for pricing
    14,000 sqft

    For sale special purpose office building totaling 14,000 SF in Belleville, Illinois.

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    Office Building Suite
    Office Building Suite

    115 Lincoln Pl Ct, Belleville, IL 62221

    Contact for pricing
    3,840 sqft

    Office space available for sale totaling 3,840 SF.

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    Remodeled Office Building with Warehouse
    Remodeled Office Building with Warehouse

    1520 Mascoutah Ave, Belleville, IL 62220

    Contact for pricing
    8,454 sqft

    Remodeled office building with warehouse, ample parking, and generator.

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    East Belleville Office/Retail Building
    East Belleville Office/Retail Building

    1820 N Belt E, Belleville, IL 62221

    Contact for pricing
    2,496 sqft

    Freestanding 2,496 SF office/retail building in East Belleville.

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    Professional Office Suite
    Professional Office Suite

    6318 W Main St, Belleville, IL 62223

    Contact for pricing

    Office space includes hardwood floors, a waiting/reception area with fireplace, a large conference room, and parking for 12.

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    Medical Office Unit with Storage
    Medical Office Unit with Storage

    9-2900 Frank Scott Pkwy W, Belleville, IL 62223

    $140,000

    Medical/office unit in an established business park with a finished basement, two bathrooms, and ample storage space.

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    Two-Building Mixed-Use Property
    Two-Building Mixed-Use Property

    O Fallon, IL 62269

    $275,000

    Corner-site asset with commercial suites, a separate upper-level entrance, and paved parking.

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    O Fallon, IL Office Spaces Market Trends and Statistics

    Explore 47 office spaces for sale in O Fallon, IL, showcased through 32 active listings on our real estate platform. These investment opportunities span a total of 238,237 square feet of properties for sale, with an estimated market value of $2,239,000.

    Sale prices for office spaces in O Fallon, IL start at $56,000, averaging $248,777, and reaching up to $525,000 — 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 14
    Office buildings 4
    Medical Office Space 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 $400K

    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)

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    Most Searched ZIP Codes in O Fallon, IL

    • 62223
    • 62269
    • 62220
    • 62221
    • 62226

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