St Clair County, IL Office Properties & Spaces for sale

$799,000

5,890 SF

Versatile Mixed-Use Commercial Building

101 Springfield Ct, 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: Aug 7, 2025

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$225,000

2,592 SF

Lebanon Commercial Facility For Sale

221 E Saint Louis St, Lebanon, IL 62254

Commercially zoned facility with potential for office, worship, or restaurant.

Commercially zoned property with 213' frontage on Federal Aid Secondary 1780 highway.
2,592 SF facility with full basement and commercial kitchen.
Potential for professional office space, place of worship, or restaurant.
Includes a garage and vacant lot for additional outdoor space.
Located near Historic downtown Lebanon.

Updated: Oct 3, 2025

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$65,000

1,152 SF

Refurbished Office Space Downtown

Refurbished office space in downtown Belleville, near courthouse.

6 Lebanon Ave, Belleville, IL 62220

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$125,000

0.38 Acres

East St. Louis Mixed-Use Property

Commercial property in downtown East St. Louis with development potential.

1048 State St, East St Louis, IL 62201

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Downtown Freeburg Commercial Opportunity

$169,900

1,524 SF

Downtown Freeburg Commercial Opportunity

Well-maintained commercial building in high-traffic location with rental income.

105 S State St, Freeburg, IL 62243

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$350,000

8,744 SF

Downtown Belleville Office Building

Office building in a prime downtown location near courthouse.

12 W Lincoln St, Belleville, IL 62220

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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 Ave, Belleville, IL 62220

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$225,000

1,257 SF

Fairview Heights Retail Opportunity

Retail property in high-traffic area near major retailers.

5105 N Illinois St, Fairview Heights, IL 62208

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$585,000

6,300 SF

Updated Commercial Building in Swansea

Updated commercial building with new systems and flexible layout.

16 Bronze Pointe Blvd, Swansea, IL 62226

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$140,000

Belleville Commercial Property on 38th

Adaptable commercial space with high visibility in Belleville, Illinois.

626 N 38Th St, Belleville, IL 62226

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$350,000

0.23 Acres

Historic Office Building with Charm

Historic building with modern functionality, ideal for professional office.

3201 W Main St, Belleville, IL 62226

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Church and Office Redevelopment Opportunity

$495,000

2,898 SF

Church and Office Redevelopment Opportunity

Church and office building on two parcels, ideal for redevelopment.

1340 N 58Th St, East St Louis, IL 62204

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$115,000

3,840 SF

East St Louis Retail/Office

Commercial investment property suitable for retail or office use.

2204 State St, East St Louis, IL 62205

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$1,700,000

3,557 SF

Belleville Retail & Office Building

Prime Location, 3,557 SF, $1.7M

648 Carlyle Ave, Belleville, IL 62221

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$2,890,000

36,940 SF

O'Fallon, IL Mixed-Use Property

Prime location, high traffic area, great potential.

400 Highway 50, O'Fallon, IL 62269

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$105,000

1,110 SF

Belleville Medical Office - $105K

1,110 SF Medical Office, Vacant, Great Location

2900 Frank Scott Pkwy, Belleville, IL 62223

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$425,000

4,764 SF

Caseyville Office/Warehouse For Sale

4,764 SF Office/Warehouse, Excellent Location

8853 Petroff Dr, Caseyville, IL 62232

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$1,950,000

47,942 SF

218 Main St

Office Properties & Spaces • 47,942 SF

218 Main St, Belleville, IL 62220

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$695,000

4,212 SF

Swansea Medical Office - $695K

Vacant Medical Office, 4212 SF

312 Belt, Swansea, IL 62226

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$295,000

5,970 SF

Belleville Office Investment

High-yield, multi-tenant office building.

305 Illinois St, Belleville, IL 62220

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$275,000

3,591 SF

Belleville Commercial Building For Sale

Downtown Belleville, high-traffic corner lot.

402 Main St, Belleville, IL 62220

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Executive Office Building, Fairview Heights

$400,000

4,480 SF

Executive Office Building, Fairview Heights

Prime Office Space, High ROI Potential

10513 Lincoln Trl, Fairview Heights, IL 62208

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$210,000

5,588 SF

Prime Smithton Office Building

High-yield, fully leased mixed-use property.

102 Main St, Smithton, IL 62285

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$495,000

24,558 SF

Belleville Commercial Portfolio

Downtown Belleville retail/office complex. High potential.

116-120 Main St, Belleville, IL 62220

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St Clair County, IL Office Properties & Spaces Investment Opportunities Market Analysis

Explore 158 office properties & spaces for sale in St Clair County, IL, showcased through 61 active listings on our real estate platform. These investment opportunities span a total of 1,647,613 square feet of properties for sale, with an estimated market value of $19,355,400.

Prices for office spaces in St Clair County, IL start at $65,000, averaging $439,895, and reaching up to $2,890,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

St Clair County, IL Office Properties & Spaces for Sale

Versatile Mixed-Use Commercial Building

Multi-use commercial building in O'Fallon with live-work potential.

Lebanon Commercial Facility For Sale

Commercially zoned facility with potential for office, worship, or restaurant.

Refurbished Office Space Downtown

East St. Louis Mixed-Use Property

Downtown Freeburg Commercial Opportunity

Downtown Belleville Office Building

Mixed-Use Building Near Downtown Belleville

Fairview Heights Retail Opportunity

Updated Commercial Building in Swansea

Belleville Commercial Property on 38th

Historic Office Building with Charm

Church and Office Redevelopment Opportunity

East St Louis Retail/Office

Belleville Retail & Office Building

O'Fallon, IL Mixed-Use Property

Belleville Medical Office - $105K

Caseyville Office/Warehouse For Sale

218 Main St

Swansea Medical Office - $695K

Belleville Office Investment

Belleville Commercial Building For Sale

Executive Office Building, Fairview Heights

Prime Smithton Office Building

Belleville Commercial Portfolio

St Clair County, IL Office Properties & Spaces Investment Opportunities Market Analysis

Office Properties & Spaces by market

Browse Office Properties & Spaces for Sale Near St Clair, IL

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St Clair County, IL Office Properties & Spaces for Sale

Versatile Mixed-Use Commercial Building

Multi-use commercial building in O'Fallon with live-work potential.

Lebanon Commercial Facility For Sale

Commercially zoned facility with potential for office, worship, or restaurant.

Refurbished Office Space Downtown

East St. Louis Mixed-Use Property

Downtown Freeburg Commercial Opportunity

Downtown Belleville Office Building

Mixed-Use Building Near Downtown Belleville

Fairview Heights Retail Opportunity

Updated Commercial Building in Swansea

Belleville Commercial Property on 38th

Historic Office Building with Charm

Church and Office Redevelopment Opportunity

East St Louis Retail/Office

Belleville Retail & Office Building

O'Fallon, IL Mixed-Use Property

Belleville Medical Office - $105K

Caseyville Office/Warehouse For Sale

218 Main St

Swansea Medical Office - $695K

Belleville Office Investment

Belleville Commercial Building For Sale

Executive Office Building, Fairview Heights

Prime Smithton Office Building

Belleville Commercial Portfolio

St Clair County, IL Office Properties & Spaces Investment Opportunities Market Analysis

Office Properties & Spaces by market

Browse Office Properties & Spaces for Sale Near St Clair, IL

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