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Illinois

St Clair County, IL Commercial Real Estate for Lease

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154 properties

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Plaza Retail Storefront Unit

Updated: Jun 29

Plaza Retail Storefront Unit

4510 N Illinois Street, Swansea, IL 62226

$1,800/Mo

Unit #7 for lease at Millstone Plaza: 1,500 sqft with a gross lease
Unit benefits from signage on Highway 159 and Smelting Works
Signage includes 95' frontage on Smelting Works plus permanent signage on Route 159
Millstone Plaza includes a 6,000 sqft building with (4) 1,500 sqft units
Property totals 0.96 acres plus an additional developed lot on 1.51 acres approved for 9 more units

Multi-Suite Office and Retail Building

Updated: Jun 25

Multi-Suite Office and Retail Building

O Fallon, IL 62269

$1,765/Mo

Brick commercial property built in 2001 with forced‑air heating and central air
Multiple lease suites available at approximately 1,200 to 2,400 SF, including a double suite and a highly visible corner suite
NNN lease rates of $14.00–$15.00 per SF annually; tenants responsible for utilities
Dual front and rear entrances plus private restrooms, private offices, and reception areas in available suites
Utilities served by public water; suites have passed City of O'Fallon inspections and have current occupancy permits

Corner-Front Office Suite

Corner-Front Office Suite

715 Lakepointe Centre Dr, O Fallon, IL 62269

$1,765/Mo

2,400 sqft

Well-maintained center offers handicap accessibility, private restrooms, and dual front and rear entrances for suites.

Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center

Retail Space with Highway Signage

Retail Space with Highway Signage

7-4510 N Illinois St, Swansea, IL 62220

$1,800/Mo

1,500 sqft 0.96 AC lot

Unit offers gross-lease occupancy, plaza access, and signage exposure along Highway 159.

Office/Flex Suite with Dock Option

Office/Flex Suite with Dock Option

13 Executive Dr, Fairview Heights, IL 62208

Contact for pricing

3,814 sqft

Available office/flex suites at a business center in Fairview Heights Office Park, with negotiable tenant improvements.

Retail Storefront with Drive-Thru

Retail Storefront with Drive-Thru

O Fallon, IL 62269

Contact for pricing

2,525 sqft 0.59 AC lot

Former QSR space with drive-thru stacking, signalized access, and parking for day-to-day retail operations.

Former Dental Office with Exam Rooms

Former Dental Office with Exam Rooms

5300 West Main Street, 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.

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 2,500 sq ft former dental office with reception, six exam rooms/offices, and a kitchenette/lab area.

High-Visibility Retail Showroom Building

High-Visibility Retail Showroom Building

O Fallon, IL 62269

Contact for pricing

3,096 sqft 2.36 AC lot

Retail showroom with office space, floor-to-ceiling glass, and ample parking, with direct frontage along I-64.

Renovated Office Suite

Renovated Office Suite

O Fallon, IL 62269

$1,590/Mo

Two private offices, a reception area, kitchenette, updated restroom, patio, and accessible entry support professional operations.

Office/Warehouse Flex Space with Drive-In Doors

Office/Warehouse Flex Space with Drive-In Doors

E St Louis, IL 62206

Contact for pricing

6,840 sqft 1.20 AC lot

Flex office and clear-span warehouse on a fenced, industrial-zoned site with two 14’x13’ drive-in doors.

Modern Warehouse with Tool Room

Modern Warehouse with Tool Room

1059 S JEFFERSON ST, Millstadt, IL 62260

Contact for pricing

4,000 sqft

4,000 SF rebuilt 2026 warehouse offers 16' clear height, reinforced 6" concrete floor, and overhead doors with bathroom roughed-in.

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.

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.

Rebuilt Warehouse with Reinforced Floor

Rebuilt Warehouse with Reinforced Floor

1055 S Jefferson St, Millstadt, IL 62260

Contact for pricing

4,000 sqft

4,000 SF rebuilt warehouse with 16' clear height, reinforced concrete floor, and two overhead doors.

Retail Space with Signage Potential

Retail Space with Signage Potential

651 Carlyle Ave, Belleville, IL 62221

Contact for pricing

1,432 sqft

The space offers convenient onsite parking and exposure along Carlyle Avenue near established retail operators.

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.

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.

Specialty Commercial Space for Lease

Specialty Commercial Space for Lease

2511 Eastview Drive, Belleville, IL 62221

$3,500/Mo

Specialty commercial space available for lease in St. Clair County, Illinois.

Demisable Office Suite in Park

Demisable Office Suite in Park

12 Emerald Terrace, Swansea, IL 62226

Contact for pricing

2,615 sqft

Main-level office suite totals 2,615 SF and can be demised into 1,167 SF or 1,448 SF configurations.

Retail Junior Anchor and Small Shop

Retail Junior Anchor and Small Shop

1615 Camp Jackson Rd, Cahokia, IL 62206

Contact for pricing

6,880 sqft

Grocery-anchored center offers a 26,576 SF junior anchor space and a 6,880 SF small shop space.

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.

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.

Retail Center Endcap Office Suite

Retail Center Endcap Office Suite

10234 Lincoln Trail, Fairview Heights, IL 62208

Contact for pricing

2,011 sqft

Endcap suite includes mostly open space, a rear private restroom, and multiple access points along the south wall.

St Clair County, IL Commercial real estate Market Trends and Statistics

Explore Commercial real estate leasing options in St Clair County, IL with 154 listings featured on our commercial real estate exchange. The current inventory includes 1,081,890 square feet of properties with an estimated lease value of $43.21.

Estimated lease rates for Commercial real estate in St Clair County, IL begin at $8.83 SF/Yr, with an average of $10.80 SF/Yr and extend to $14.40 SF/Yr.

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