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    O Fallon, IL
    Office Units

    O Fallon, IL Office Units for Lease

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    Swansea, IL Millstadt, IL Shiloh, IL Fairview Heights, IL East St Louis, IL Mascoutah, IL Sauget, IL Cahokia, IL
    12 properties
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    Divisible Office Building
    Updated: Aug 6
    Divisible Office Building

    O Fallon, IL 62269

    Contact for pricing
    14,780 sqft
    14,780‑square‑foot office building, built in 2005
    Divisible into two suites with 13 and 12 private offices, respectively
    Each suite includes 3 conference rooms, a kitchenette, and a server room
    Underground security infrastructure and enterprise‑grade connectivity
    On US Hwy 50 across from McKendree Metro Rec Plex
    View details
    Professional Office Suite on Main
    Updated: Jun 24
    Professional Office Suite on Main

    7200 West Main Street, Belleville, IL 62223

    Contact for pricing
    1,944 sqft
    1,944 SF professional office suite in a building built in 1993
    Seven private offices plus a conference room, reception area, and dedicated workstation
    On‑site parking available and basement storage included
    Recent updates include newer HVAC systems and a security system
    Located directly on West Main Street with strong daily traffic counts and convenient access to Metro East communities
    View details
    Medical Office Space with Exam Rooms
    Medical Office Space with Exam Rooms

    2900 Frank Scott Pkwy W, Belleville, IL 62226

    Modified gross
    Contact for pricing
    3,857 sqft
    Highway access

    Leasable medical office with an oversized waiting room and seven exam rooms in the Copper Bend Centre office park.

    Private entrance  Employee lounge
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    Medical or Office Suite with 9-Foot Ceilings
    Medical or Office Suite with 9-Foot Ceilings

    O Fallon, IL 62269

    Modified gross
    Contact for pricing
    23–38 people  1 space  5,776 sqft
    15 private offices  2 meeting rooms  Highway access + Road access

    Suite C offers a divisible 5,776 SF office/medical layout with 9-foot ceilings, private offices, and ADA-compliant restrooms.

    Monument Signage
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    Office Space Near I-64
    Office Space Near I-64

    O Fallon, IL

    Contact for pricing
    47–79 people  1 space  11,998 sqft  2.53 acres

    High-end office space with excellent visibility and convenient location.

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    High-End Office Space Available
    High-End Office Space Available

    O Fallon, IL 62269

    Full service
    Contact for pricing
    8–14 people  1 space  2,100 sqft

    6,819 SF office space with high-end finishes for lease.

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    Belleville Office Space for Lease
    Belleville Office Space for Lease

    7650 Magna Dr, Belleville, IL

    Full service
    Contact for pricing
    52–87 people  10 spaces  13,144 sqft  13.93 acres

    Professional office suites available with highway visibility and ample parking.

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    Class Office Building with Atrium
    Class Office Building with Atrium

    7650 Magna Dr, Belleville, IL 62223

    Full service
    Contact for pricing
    52–87 people  1 space  13,144 sqft  Multi-tenant
    Highway access + Road access

    Professional office suites are arranged over two levels with an open atrium and shared restrooms and hallways.

    Grab N' Go Micromart
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    Flex Space with Interstate Access
    Flex Space with Interstate Access

    1550-1562 Frontage Rd, O Fallon, IL 62269

    Gross
    Contact for pricing
    6,500 sqft
    Highway access  Road access

    Office and warehouse configuration with two available spaces and landlord-paid water and sewer.

    Utilities to site
    View details
    Executive Office Suite For Rent
    Executive Office Suite For Rent

    O Fallon, IL 62269

    Full service
    Contact for pricing
    1 person  2 spaces  136 sqft

    Executive office suite in Lakepoint Professional Center available for rent.

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    Office Suite with Parking
    Office Suite with Parking

    O Fallon, IL 62269

    Modified gross
    Contact for pricing
    7–11 people  1 space  1,766 sqft

    Professionally managed suite offering 5 offices plus waiting and breakroom space, with adequate parking on-site.

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    Professionally Managed Office Suites
    Professionally Managed Office Suites

    O Fallon, IL 62269

    Modified gross
    Contact for pricing
    6–11 people  1 space  1,745 sqft  Built 1999

    Flexible office layouts include private rooms, conference areas, reception space, and open work areas.

    Private offices  Conference rooms  Open work space  Reception
    View details
    12 active listings match your search: Office Units for lease in O Fallon, IL. Based on your search, we've also compiled 12 Potential Opportunities for your consideration: 4 spaces in nearby cities and 8 properties for sale.

    Office Units for Lease in Nearby Cities

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

    Swansea Creative Sublease Opportunity
    Swansea Creative Sublease Opportunity

    33 Bronze Pointe Boulevard, Swansea, IL 62226

    $10 SF/Yr
    87–145 people  21,800 sqft

    Creative, medical, or professional services sublease in Swansea, Illinois.

    View details
    Office/Flex Space For Rent
    Office/Flex Space For Rent

    13 Executive Dr, Fairview Heights, IL

    Triple net (NNN)
    Contact for pricing
    39–66 people  4 spaces  9,979 sqft  3.9 acres

    Office and flex spaces available in Fairview Heights, Illinois.

    View details
    Renovated Office Suite with Views
    Renovated Office Suite with Views

    16 Executive Dr, Fairview Heights, IL

    Full service
    Contact for pricing
    18–31 people  1 space  4,732 sqft  2.13 acres

    Turnkey 4,723 SF office suite with abundant natural light.

    View details
    Two-Level Professional Office Suite
    Two-Level Professional Office Suite

    4010 N Illinois St, Swansea, IL 62226

    Gross
    Contact for pricing
    10–17 people  1 space  2,652 sqft

    Configured for private offices, meetings, reception, storage, and staff support functions across two levels.

    View details

    Similar Spaces for Sale in O Fallon, IL

    Consider Similar Space for Sale. We found 8 Spaces matching your search parameters.

    Two-Building Storefront Property
    Two-Building Storefront Property

    O Fallon, IL 62269

    $275,000
    Multi-tenant  3,036 sqft  Built 1897  2 buildings  0.21 acres
    Corner location

    Multiple commercial suites, paved parking, and a separately accessed upper level support a flexible retail and office configuration.

    Paved parking lot
    View details
    Flexible-Layout Office Building
    Flexible-Layout Office Building

    503 S Illinois Street, Belleville, IL 62220

    $150,000
    Built 1915  0.15 acres
    Heavy Commercial

    Brick-and-frame property with multiple rooms, a full bath, cellar storage, and Heavy Commercial zoning.

    View details
    Flex Space with Warehouse and Office
    Flex Space with Warehouse and Office

    O Fallon, IL 62269

    Contact for pricing
    10,977 sqft  1.79 acres  14 ft clear  3-phase  Built 1989  1,528 sqft office  7,321 sqft warehouse  1 building
    Highway access  Road access  B-2

    B-2 General Business property combines office, showroom, and shop areas with multiple overhead doors and substantial parking.

    83 parking spaces
    View details
    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.

    View details
    Office-Warehouse Flex Building
    Office-Warehouse Flex Building

    1550-1562 Frontage Rd, O Fallon, IL 62269

    Contact for pricing
    20,176 sqft
    Highway access  Road access

    Office and warehouse configuration with interstate frontage-road access and available suites.

    Utilities to site
    View details
    Refurbished Two-Level Office
    Refurbished Two-Level Office

    6 Lebanon Avenue, Belleville, IL 62220

    $56,000
    4 units  Built 1900  0.03 acres

    Two-level layout provides separate workrooms, a shared bathroom, and refreshed interior finishes.

    Furnished
    View details
    Belleville Retail/Office Opportunity
    Belleville Retail/Office Opportunity

    648 Carlyle Ave, Belleville, IL 62221

    Contact for pricing
    3,557 sqft

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

    View details
    O'Fallon Mixed-Use Income Property
    O'Fallon Mixed-Use Income Property

    O Fallon, IL 62269

    Contact for pricing
    3,036 sqft  Built 1897 / renov 1985

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

    View details

    O Fallon, IL Office Units Lease Rates & Market Statistics

    Explore 12 Office Units for lease in O Fallon, IL on Realmo, a commercial real estate exchange covering the O Fallon area. The current inventory totals 76,890 square feet of properties — an average of ~6,400 SF per listing.

    O Fallon accounts for 41% of the 29 office units currently available across St. Clair County, where nearby markets include Fairview Heights and Belleville. Office Units make up 80% of the 15 Office Spaces currently for lease in O Fallon. Also worth a look for tenants weighing alternatives: Medical Office Space (4 listings) elsewhere in the O Fallon market.

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    Popular Searches in O Fallon, IL

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    Most Searched ZIP Codes in O Fallon, IL

    • 62269
    • 62223
    • 62226

    Featured O Fallon Real Estate Agencies

    Realmo connects you with licensed O Fallon CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    CR Holland Real Estate
    718 W Highway 50 Belleville, IL 62269
    Phone: (618) 416-7588
    www.CRHolland.com
    Kunkel Wittenauer Group
    784 Wall Street, Suite 150 Belleville, IL 62269
    Phone: (618) 632-8200
    choosekwg.com/
    Red Door Realty Group Inc
    1001 S Lincoln Ave Belleville, IL 62269
    Phone: (618) 632-9448
    www.RedDoorRG.com
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