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    Belleville, IL Office Units for Lease

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    17 properties
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    Office Space Available For Rent
    Updated: Mar 17
    Office Space Available For Rent

    1 S Church St, Belleville, IL 62220

    $12 SF/Yr
    5,139 sqft
    Office space available, perfect for your business needs.
    Boasting 5,139 sqft of space.
    Built in 1968.
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    Mixed-Use Investment Property For Sale
    Updated: Nov 24, 2025
    Mixed-Use Investment Property For Sale

    305-309 N Illinois St, Belleville, IL

    $13.20 SF/Yr
    5,970 sqft
    Mixed‑use property with multiple income streams from insurance, barbershop, apartments, and warehouse.
    Value‑add opportunity: lease the vacant 617 SF office/retail suite.
    Includes 3 additional parcels, expanding the existing parking lot.
    Two occupied 1 BD/1BA apartments on the second floor provide immediate rental income.
    Long‑term insurance agency tenant provides stable income.
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    Office Suite with Conference Rooms
    Office Suite with Conference Rooms

    525 W Main St, Belleville, IL

    $18 SF/Yr
    12,324 sqft

    Office suite featuring conference rooms and a central reception area.

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    Belleville Office/Warehouse Space Available
    Belleville Office/Warehouse Space Available

    9480 State Rte 15, Belleville, IL

    $9 SF/Yr
    12,340 sqft

    12,340 SF office/warehouse space for lease in Belleville, IL.

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    Downtown Belleville Office Space Available
    Downtown Belleville Office Space Available

    15 N 1st St, Belleville, IL

    $16 SF/Yr
    3,450 sqft

    Office suites available in downtown Belleville near courthouse and amenities.

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    Furnished Office Space in O'Fallon
    Furnished Office Space in O'Fallon

    620 Pierce Blvd, O Fallon, IL

    $21 SF/Yr
    14,140 sqft

    Class A office space available for lease in O'Fallon.

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    Belleville Office Space for Lease
    Belleville Office Space for Lease

    7650 Magna Dr, Belleville, IL

    $16 SF/Yr
    13,144 sqft

    Professional office suites available with highway visibility and ample parking.

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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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    Multi-Unit Downtown Office Building
    Multi-Unit Downtown Office Building

    120 W Main St, Belleville, IL 62220

    $800,000 SF/Yr

    Elevator-served multi-tenant building with two office suites available near the courthouse.

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    First Floor Office Suite
    First Floor Office Suite

    521 W Main St, Belleville, IL

    $18 SF/Yr
    1,736 sqft

    First floor office suite with natural lighting and large layouts.

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    Executive Office Suite For Rent
    Executive Office Suite For Rent

    O Fallon, IL 62269

    $9,000/Mo
    135 sqft

    Executive office suite in Lakepoint Professional Center available for rent.

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    O'Fallon Office Space Available
    O'Fallon Office Space Available

    O Fallon, IL 62269

    $15 SF/Yr
    1,050 sqft

    Spacious office with conference room and accessible features.

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    Renovated Office Space Available
    Renovated Office Space Available

    111 W Lincoln St, Belleville, IL 62220

    Contact for pricing
    6,557 sqft

    Renovated 6,557 SF office space near downtown Belleville.

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

    O Fallon, IL 62269

    $28.75 SF/Yr
    6,819 sqft

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

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    Historic Belleville Building Suites Available
    Historic Belleville Building Suites Available

    222 W Main St, Belleville, IL 62220

    $12 SF/Yr
    5,146 sqft

    Suites available in renovated historic building, downtown Belleville.

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    Belleville Office Space For Rent
    Belleville Office Space For Rent

    218-222 W Main St, Belleville, IL

    $16 SF/Yr
    5,146 sqft

    Office space available in Belleville, Illinois.

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    Renovated Suites with Utilities Included
    Renovated Suites with Utilities Included

    5312 W Main St, Belleville, IL 62226

    $22.58 SF/Yr

    Newly renovated suites featuring luxury vinyl plank flooring and fresh paint.

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    Based on your search, we've compiled 26 Potential Opportunities for your consideration. Besides 17 Active listings in Belleville, IL, we suggest exploring alternatives. Similar 9 Properties for Sales.

    Similar Spaces for Sale in Belleville, IL

    Consider Similar Space for Sale. We found 9 Spaces matching your search parameters.

    Corner Lot with Two Income Buildings
    Corner Lot with Two Income Buildings

    O Fallon, IL 62269

    $275,000
    3,036 sqft 0.21 AC lot

    Corner lot with two buildings offering multiple leased spaces, including ground-floor retail and a salon across a paved parking area.

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    Multi-Tenant Office Building
    Multi-Tenant Office Building

    120 W Main St, Belleville, IL 62220

    $800,000
    10,300 sqft

    Well-maintained multi-unit office building with an elevator and two currently available office suites.

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    Downtown Belleville Office For Sale
    Downtown Belleville Office For Sale

    122 W Main St, Belleville, IL

    $125,000
    0.07 AC lot

    Office space in downtown Belleville with off-street parking.

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    Office Space with Interstate Visibility
    Office Space with Interstate Visibility

    1550-1562 Frontage Rd, O Fallon, IL 62269

    Contact for pricing
    580 sqft 2.49 AC lot

    Office space for rent with excellent interstate access and visibility.

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    Former Law Office For Sale
    Former Law Office For Sale

    3540 N Belt W, Belleville, IL

    $120,000
    2,716 sqft 1.01 AC lot

    2,716 SF office space in high visibility location.

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    Belleville Retail/Office Opportunity
    Belleville Retail/Office Opportunity

    648 Carlyle Ave, Belleville, IL 62221

    $980,000
    3,557 sqft

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

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

    O Fallon, IL 62269

    $275,000
    3,036 sqft

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

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    Belleville, IL Office Units Market Trends and Statistics

    Explore Office Units leasing options in Belleville, IL with 17 listings featured on our commercial real estate exchange. The current inventory includes 86,539 square feet of properties with an estimated lease value of $994.95 /Mo.

    Estimated lease rates for Office Units in Belleville, IL begin at $9 SF/Yr, with an average of $76.53 SF/Yr and extend to $800 /Mo.
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    Most Searched ZIP Codes in Belleville, IL

    • 62220
    • 62269
    • 62223
    • 62226

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