St Clair County, IL Office buildings for sale

Updated: Apr 17

Updated Brick Office Building

16 Bronze Pointe Boulevard, Swansea, IL 62226

$550,000

0.10 AC lot

Water heater installed in 2025
HVAC replaced in 2023
Roof completed in 2022
Interior remodeling completed
Separate utility meters for multiple occupants

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Updated: May 28

Office Building with Road Frontage

5105 N Illinois Street, Fairview Heights, IL 62208

$225,000

0.60 AC lot

1,257 SF office building on a 0.60‑acre lot
146 feet of frontage on North Illinois Street (IL Rte. 159)
Reported traffic volume of 27,200 vehicles per day
Currently vacant office property
Built in 1941 with wood siding

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Office Building with Multiple Suites

626 N 38th Street, Belleville, IL 62226

$120,000

A mix of completed and unfinished private offices is arranged alongside shared gathering and dining areas.

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Vacant Office Building

5105 N Illinois Street A, Fairview Heights, IL 62208

$225,000

1,257 sqft 0.60 AC lot

Vacant office property with route frontage near medical facilities, retailers, restaurants, and hospitality services.

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Remodeled Office Building with Warehouse

1520 Mascoutah Ave, Belleville, IL 62220

$490,000

8,454 sqft

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

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Office Building with Street Frontage

A-5105 N Illinois St, Fairview Heights, IL 62232

$225,000

1,257 sqft 0.60 AC lot

Vacant office property positioned in a high-traffic area near medical, retail, restaurant, and hospitality uses.

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Converted Office Building with Outbuildings

8044 N Illinois St, Caseyville, IL 62232

Contact for pricing

4,400 sqft

Two-story office building with outbuildings, ideal for contractors.

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Multi-Suite Office Building

12 Emerald Terrace, Swansea, IL 62226

Contact for pricing

5,900 sqft

Main-level space offers private offices, reception areas, ADA restrooms, and shared kitchenettes.

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Multi-Building Flex Property

1915 South Belt W, Belleville, IL 62226

$230,000

The property combines office space, a heated shop, and warehouse capacity under A-2 zoning.

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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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Mixed-Use Building with Apartment

10513 Lincoln Trl, Fairview Heights, IL 62208

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4,480 sqft

Flexible office and residential configuration with parking, accessibility features, and B-3 zoning along Lincoln Trail.

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Renovated Office Building For Sale

218 W Main St, Belleville, IL 62220

Contact for pricing

47,942 sqft 0.89 AC lot

Two-story office building in historic downtown Belleville, Illinois.

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Leased Office Building Investment

5403 N Illinois St, Fairview Heights, IL

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1,716 sqft 0.31 AC lot

Fully leased office building in high-traffic Fairview Heights location.

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Multi-Story Office and Lodging Building

29 N 64th St, Belleville, IL 62223

Contact for pricing

40,896 sqft 4.09 AC lot

Elevator-served, three-story building with a large parking lot and multiple redevelopment use possibilities.

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Belleville Office Building For Sale

29 N 64th St, Belleville, IL

Contact for pricing

40,896 sqft 4.09 AC lot

40,896 sq ft office building on 4.09 acres.

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Office Building with Large Rooms

28 W 64th St, Belleville, IL 62223

Contact for pricing

8,736 sqft

Adaptable interior layout includes fire suppression and ADA-compliant features.

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Based on your search, we've compiled 76 Potential Opportunities for your consideration. Besides 16 Active listings in St Clair County, IL, we suggest exploring several alternatives: similar 56 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

Two-Building Storefront Property

O Fallon, IL 62269

$275,000

3,036 sqft 0.21 AC lot

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

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Multi-Tenant Office Building

Saint Louis, MO 63147

$200,000

0.12 AC lot

Three-parcel commercial property with office, event, and garage components in St. Louis.

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Commercial Land at Lighted Intersection

NE New Poag Road - Lot 6, Edwardsville, IL 62025

$554,083

1.59 AC lot

Flexible commercial land with public water and sewer, natural gas availability, and retail or upscale office use identified.

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Commercial Land with Regional Views

NE New Poag Road - Lot 5, Edwardsville, IL 62025

$554,083

1.59 AC lot

Commercial land with public water and sewer, natural gas availability, and access to a four-way signalized intersection.

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Off-Market Properties in St Clair County, IL

Consider similar Off-Market properties in St Clair County, IL. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

OFFICE BUILDING

20 Main St, Belleville, IL 62220-1602

Estimated value:

$350,000

0.26 AC lot

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OFFICE BUILDING

3 Bronze Pointe Blvd, Belleville, IL 62226

Estimated value:

$240,000

0.30 AC lot

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OFFICE BUILDING

2127 Lebanon Ave, Shiloh, IL 62221-2524

Estimated value:

$280,000

1.16 AC lot

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OFFICE BUILDING

7705 Main St, Belleville, IL 62223-2029

Estimated value:

$300,000

1.49 AC lot

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OFFICE BUILDING

3700 Belt W, Belleville, IL 62226-5629

Estimated value:

$140,000

0.18 AC lot

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OFFICE BUILDING

3601 Belt W, Belleville, IL 62226-5937

Estimated value:

$310,000

0.87 AC lot

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OFFICE BUILDING

5105 Illinois St, Fairview Heights, IL 62208-3455

Estimated value:

$195,000

0.60 AC lot

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OFFICE BUILDING

1180 6th St, Mascoutah, IL 62258-1178

Estimated value:

$255,000

0.91 AC lot

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