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Illinois

Office

St Clair County, IL Office Spaces for Sale

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Chicago, IL Springfield, IL Peoria, IL Rockford, IL Aurora, IL Belleville, IL Champaign, IL Joliet, IL

40 properties

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Two-Building Storefront Property

Updated: May 15

Two-Building Storefront Property

O Fallon, IL 62269

$275,000

3,036 sqft 0.21 AC lot

3,036‑square‑foot commercial property on 0.21 acres
Two buildings with multiple ground‑floor commercial suites
Separate upper‑level entrance at 102 W. 7th
Paved parking lot between the buildings
Built in 1897 with metal siding and shingle roof

Updated Brick Office Building

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

Brick Office Building

Brick Office Building

7621 State Street, East St Louis, IL 62203

$125,000

0.46 AC lot

Open interior configuration includes multiple rooms, concrete floors, natural light, and established security features.

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Industrial Office/Warehouse with Drive-Ins

Industrial Office/Warehouse with Drive-Ins

2626 Camp Jackson Rd, East Saint Louis, IL 62206

$675,000

6,840 sqft 1.20 AC lot

Climate-controlled office space plus a clear-span warehouse featuring two drive-in doors on an industrial, fenced lot.

Office Building with Road Frontage

Office Building with Road Frontage

5105 N Illinois Street, Fairview Heights, IL 62208

$225,000

0.60 AC lot

Vacant office property with prominent road exposure, climate control, and public water service.

Flexible-Layout Office Building

Flexible-Layout Office Building

503 S Illinois Street, Belleville, IL 62220

$150,000

0.15 AC lot

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

Refurbished Two-Level Office

Refurbished Two-Level Office

6 Lebanon Avenue, Belleville, IL 62220

$56,000

0.03 AC lot

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

Vacant Office Building

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.

Office Building with Multiple Suites

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.

Medical Office Space For Sale

Medical Office Space For Sale

19 Wolf Creek Dr, Swansea, IL 62226

$1,871,795

7,300 sqft

Medical office space available for sale in Swansea, Illinois.

Remodeled Office Building with Warehouse

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.

Flex Space with Warehouse and Office

Flex Space with Warehouse and Office

O Fallon, IL 62269

Contact for pricing

10,977 sqft 1.79 AC lot

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

Office Building with Street Frontage

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.

Day Care Center with Classrooms

Day Care Center with Classrooms

1004 Gaty Avenue, East St Louis, IL 62201

Contact for pricing

11,200 sqft

Purpose-built childcare layout includes dedicated rooms, administrative offices, a commercial kitchen, and fenced outdoor play space.

Medical Office Space with Six Exam Rooms

Medical Office Space with Six Exam Rooms

5300 W Main St, Belleville, IL 62226

Contact for pricing

2,500 sqft

Well-maintained former dental office with six exam rooms, a reception area, and washer/dryer hookups on W Main Street.

Converted Office Building with Outbuildings

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.

Leased Warehouse with Service Bays

Leased Warehouse with Service Bays

731 N Belt W, Swansea, IL 62226

Contact for pricing

34,393 sqft

Fully leased facility combines office, warehouse, and drive-through service areas.

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.

Fairview Heights Office For Sale

Fairview Heights Office For Sale

10326 Lincoln Trail, Fairview Heights, IL 62208

Contact for pricing

1,680 sqft

1,680 SF office space in high-traffic area.

Office-Warehouse Flex Building

Office-Warehouse Flex Building

1550-1562 Frontage Rd, O Fallon, IL 62269

Contact for pricing

20,176 sqft

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

Multi-Suite Office Building

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.

Multi-Building Flex Property

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.

Built-Out Medical Office Suite

Built-Out Medical Office Suite

2900 Frank Scott Pkwy W, #960, Belleville, IL 62223

Contact for pricing

2,706 sqft

Well-maintained, fully built-out office with exam, recovery, lab, and multiple private workrooms on two levels.

Medical Office in Copper Bend

Medical Office in Copper Bend

2900 Frank Scott Pkwy W, Belleville, IL 62223

Contact for pricing

2,030 sqft

2,030 SF medical office in established office park.

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St Clair County, IL Office Spaces Market Trends and Statistics

Explore 72 office spaces for sale in St Clair County, IL, showcased through 40 active listings on our real estate platform. These investment opportunities span a total of 358,221 square feet of properties for sale, with an estimated market value of $5,357,795.

Sale prices for office properties in St Clair County, IL start at $56,000, averaging $382,699, and reaching up to $1,871,795 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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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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