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    St Clair County, IL Office Spaces for Lease

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    34 properties
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    Wolf Creek Drive
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    Full-Service Office Suite
    Updated: Sep 18
    Full-Service Office Suite

    O Fallon, IL 62269

    Contact for pricing
    1,800 sqft
    1,800‑square‑foot full‑service office suite
    Reception and waiting area with 3 private offices
    2 conference rooms plus 2 additional rooms
    Breakroom included within the suite layout
    Located on South Lincoln Avenue in O’Fallon, Illinois
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    Single-Story Office Building
    Updated: Aug 28
    Single-Story Office Building

    5031 N Illinois St, Fairview Heights, IL 62208

    $20 SF/Yr
    1.10 AC lot
    5,824 SF single‑story, all‑brick commercial building
    1.1‑acre lot along N. Illinois Street (Rt. 159)
    Approximately 27,500 vehicles per day on the corridor
    Built in 2007 and fully sprinklered
    Occupied by office and medical tenants, including Everside Health and KRB Hospitality
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    Former Dental Office with Exam Rooms
    Former Dental Office with Exam Rooms

    5300 W Main St, Belleville, IL 62226

    Contact for pricing
    2,500 sqft

    Move-in ready medical or office suite with reception, multiple rooms, and practical back-office support spaces.

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    Flex Space with Warehouse Shop
    Flex Space with Warehouse Shop

    O Fallon, IL 62269

    Contact for pricing
    10,977 sqft 1.79 AC lot

    B-2 General Business property combining offices, showroom space, and a warehouse-shop component with multiple overhead doors.

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    Professional Office Suite on Main
    Professional Office Suite on Main

    7200 West Main Street, Belleville, IL 62223

    Contact for pricing
    1,944 sqft

    Well-appointed office suite with seven private offices, conference space, and ample on-site parking on West Main Street.

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    Updated Attorney Office Space
    Updated Attorney Office Space

    10326 Lincoln Trl, Fairview Heights, IL 62208

    Contact for pricing
    1,680 sqft

    Updated 1,680 SF office suite with reception, six offices, a conference room, and basement break area with storage.

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    Swansea Creative Sublease Opportunity
    Swansea Creative Sublease Opportunity

    33 Bronze Pointe Boulevard, Swansea, IL 62226

    $10 SF/Yr
    21,800 sqft

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

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    Renovated Two-Story Office Building
    Renovated Two-Story Office Building

    1127 East B St, Belleville, IL 62220

    Contact for pricing
    11,874 sqft 1.06 AC lot

    Climate-controlled workspace includes private offices, meeting space, and an employee parking area.

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

    2900 Frank Scott Pkwy W, Belleville, IL 62226

    Contact for pricing
    3,857 sqft

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

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    Medical or Office Suite with 9-Foot Ceilings
    Medical or Office Suite with 9-Foot Ceilings

    O Fallon, IL 62269

    Contact for pricing
    5,776 sqft

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

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    Office Space Near I-64
    Office Space Near I-64

    O Fallon, IL

    Contact for pricing
    11,998 sqft 2.53 AC lot

    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

    Contact for pricing
    2,100 sqft

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

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    Fairview Heights Office Suites Available
    Fairview Heights Office Suites Available

    141 Market Place, Fairview Heights, IL 62208

    Contact for pricing
    5,144 sqft

    Class B office suites for lease near I-64.

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    Second-Floor Office Suite
    Second-Floor Office Suite

    1109 Hartman Ln, Shiloh, IL 62221

    Contact for pricing
    606 sqft

    Second-floor Suite 201B offers an open L-shaped layout with high-end finishes in a well-maintained office complex.

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    Office/Retail Suites for Lease
    Office/Retail Suites for Lease

    10304 Lincoln Trl, Fairview Heights, IL 62208

    Contact for pricing
    232 sqft

    Two office and retail suites are scheduled for availability in late March and May 2026.

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    Fairview Heights Retail/Office Suites
    Fairview Heights Retail/Office Suites

    4600-4660 N Illinois St, Fairview Heights, IL

    Contact for pricing
    1,400 sqft 5.40 AC lot

    Office and retail suites available in established Fairview Heights center.

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    Professional Office Suite For Lease
    Professional Office Suite For Lease

    28 Bronze Pointe N, Swansea, IL

    Contact for pricing
    2,613 sqft 0.13 AC lot

    Office suite available for lease in Swansea, Illinois.

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    Belleville Office Space for Lease
    Belleville Office Space for Lease

    7650 Magna Dr, Belleville, IL

    Contact for pricing
    13,144 sqft 13.93 AC lot

    Professional office suites available with highway visibility and ample parking.

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    Shiloh Parkway Plaza Office Suites
    Shiloh Parkway Plaza Office Suites

    1207 Frank Scott Pkwy, Shiloh, IL 62223

    Contact for pricing
    1,500 sqft 1.80 AC lot

    Office suites for lease in high-growth Shiloh Parkway Plaza.

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    Flex Space with Interstate Access
    Flex Space with Interstate Access

    1550-1562 Frontage Rd, O Fallon, IL 62269

    Contact for pricing
    6,500 sqft

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

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    Swansea Office Space For Rent
    Swansea Office Space For Rent

    8 Park Pl, Swansea, IL 62226

    Contact for pricing
    3,000 sqft

    3,000 sq ft office space with flexible layout options.

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    Office Space Near I-255
    Office Space Near I-255

    2021 Goose Lake Rd, Sauget, IL

    Contact for pricing
    4,693 sqft 2.48 AC lot

    Office space with private offices, conference room, and cubicle area.

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    Office/Retail Building Near I-64
    Office/Retail Building Near I-64

    O Fallon, IL 62269

    Contact for pricing
    2,750 sqft

    Office/retail building near I-64 and St. Elizabeth’s hospital.

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    Executive Office Suite For Rent
    Executive Office Suite For Rent

    O Fallon, IL 62269

    Contact for pricing
    136 sqft

    Executive office suite in Lakepoint Professional Center available for rent.

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    St Clair County, IL Office Spaces Market Trends and Statistics

    Explore Office Spaces leasing options in St Clair County, IL with 34 listings featured on our commercial real estate exchange. The current inventory includes 144,851 square feet of properties with an estimated lease value of $30.

    Estimated lease rates for Office Spaces in St Clair County, IL begin at $10 SF/Yr, with an average of $15 SF/Yr and extend to $20 SF/Yr.
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    Featured St. Clair County Real Estate Agencies

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

    Strano & Associates
    1910 Carlyle Avenue Belleville, IL 62221
    Phone: 16182577690
    www.strano.com
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