Add Listing
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Office
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price range
    $
    $
    Size
    Property size / sq.ft.
    AI Search

    O Fallon, IL Office Properties & Spaces for Sale

    33 results
    List
    Map
    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
    View details
    Historic Mixed-Use Building in Belleville
    $299,000
    3,200 SF

    Historic Mixed-Use Building in Belleville

    18 E Main Street, Belleville, IL 62220

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

    • Historic 3,200 SF mixed‑use building in downtown Belleville
    • Income‑generating property with existing tenants: Justitia's Coffee Bar and Olive Oil Market Place
    • Prime Main Street location with high pedestrian traffic and walkability
    • Zoned C1 Commercial, offering versatile usage options
    • Proximity to MetroLink transit access
    Updated: Mar 10
    View details
    Refurbished Office Space Downtown
    $65,000
    1,152 SF

    Refurbished Office Space Downtown

    Refurbished office space in downtown Belleville, near courthouse.

    6 Lebanon Avenue, Belleville, IL 62220
    View details
    Mixed-Use Property in High-Traffic Area
    $275,000
    3,036 SF

    Mixed-Use Property in High-Traffic Area

    Versatile property with income potential in O'Fallon, Illinois.

    O Fallon, IL 62269
    View details
    Downtown Belleville Office Building
    $350,000
    8,744 SF

    Downtown Belleville Office Building

    Office building in a prime downtown location near courthouse.

    12 W Lincoln Street, Belleville, IL 62220
    View details
    Belleville Commercial Property on 38th
    $140,000

    Belleville Commercial Property on 38th

    Adaptable commercial space with high visibility in Belleville, Illinois.

    626 N 38th Street, Belleville, IL 62226
    View details
    Mixed-Use Building Near Downtown Belleville
    $240,000
    2,926 SF

    Mixed-Use Building Near Downtown Belleville

    Two-story mixed-use property with commercial space and updated apartment.

    719 Centreville Avenue, Belleville, IL 62220
    View details
    Highway 50 Development Opportunity
    $575,000
    1.42 Acres

    Highway 50 Development Opportunity

    1.42 acres on Highway 50 with redevelopment potential.

    O Fallon, IL 62269
    View details
    Medical Building with Multiple Suites
    $250,000
    6,500 SF

    Medical Building with Multiple Suites

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

    3608 W Main St, Belleville, IL
    View details
    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
    View details
    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
    View details
    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
    View details
    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
    View details
    O'Fallon Office Building For Sale
    $9,100,000
    6,819 SF

    O'Fallon Office Building For Sale

    6,819 SqFt office building in O'Fallon, Illinois.

    O Fallon, IL 62269
    View details
    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
    View details
    Belleville Office Building For Sale
    $725,000
    8,454 SF

    Belleville Office Building For Sale

    8,454 SF office building available in Belleville, Illinois.

    1520 Mascoutah Ave, Belleville, IL
    View details
    Former Law Office For Sale
    $115,000
    2,716 SF

    Former Law Office For Sale

    2,716 SF office space in high visibility location.

    3540 N Belt W, Belleville, IL
    View details
    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
    View details
    Belleville Office Building For Sale
    $250,000
    9,114 SF

    Belleville Office Building For Sale

    9,114 square foot office building in Belleville, Illinois.

    140 Iowa, Belleville, IL
    View details
    East Belleville Office/Retail Building
    $140,000
    2,496 SF

    East Belleville Office/Retail Building

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

    1820 N Belt E, Belleville, IL
    View details
    Remodeled Office Building with Warehouse
    $725,000
    8,454 SF

    Remodeled Office Building with Warehouse

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

    1520 Mascoutah Ave, Belleville, IL 62220
    View details
    Highway 50 Development Opportunity
    $575,000

    Highway 50 Development Opportunity

    1.42 acres on Highway 50 in O'Fallon, Illinois.

    O Fallon, IL 62269
    View details
    East Belleville Office/Retail Building
    $140,000
    2,496 SF

    East Belleville Office/Retail Building

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

    1820 N Belt E, Belleville, IL 62221
    View details
    Office Building with Signage
    $215,000
    7,926 SF

    Office Building with Signage

    7,926 SF building with space for lease and signage.

    1801 N Belt W, Belleville, IL
    View details

    O Fallon, IL Office Properties & Spaces Investment Opportunities Market Analysis

    Explore 33 office properties & spaces for sale in O Fallon, IL, showcased through 33 active listings on our real estate platform. These investment opportunities span a total of 446,054 square feet of properties for sale, with an estimated market value of $4,699,000.

    Sale prices for office spaces in O Fallon, IL start at $275,000, averaging $391,583, 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.

    List
    Map

    Browse Office properties & Spaces for Sale Near O Fallon, IL

    Popular Searches in O Fallon, IL

    Popular Categories

    Most Searched ZIP Codes in O Fallon, IL

    • 62269
    • 62220
    • 62221
    • 62223
    • 62226

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!