Looking to open a business in St. Clair County, IL? Here you will find our complete listing of available Commercial Properties in St. Clair County, Illinois including, but not limited to Commercial Development Sites, Industrial Properties and Investment Properties for Sale as well as Retail and Office Space for Lease.
St. Clair County Illinois Cities include; Adventure Bay, Alorton, Belleville, Centreville, Collinsville, Columbia, East St. Louis, Fairview Heights, Lebanon, Madison, Mascoutah, & O'Fallon.
St. Clair County Illinois Villages include; Brooklyn, Cahokia, Caseyville, Dupo, East Carondelet, Fairmont City, Fayetteville, Freeburg, Hecker, Lenzburg, Marissa, Millstadt, New Athens, New Baden, Sauget, Shiloh, Smithton, St. Libory, Summerfield & Swansea.
Want to learn more about doing business in St. Clair County Illinois https://www.co.st-clair.il.us/departments/economic-development
10,000-200,000 SF Cross-Dock Facility
10,000-200,000 SF cross-dock facility with 25'-33' clear height, 60 dock-high doors with levelers. The pitched-roof warehouse provides approximately 33' of clearance at the center and 25' along the sides, creating efficient vertical storage opportunities throughout the facility.
6.51 Acre Commercial Development Site
Property offers 6.51 acres of land in Belleville’s established east-side commercial corridor, off Lebanon Avenue and Old Collinsville intersection. The site’s size, nearby retail, and easy access to the major routes serving Belleville, O’Fallon, Shiloh, and Scott Air Force Base make it a strong fit for retail, office, medical, or mixed-use development.
1,120 SF Garage/Shop
This 1,120 SF garage/shop offers a functional layout ideal for service‑based operators. The building includes a private bathroom, a 10' overhead door, and a large parking lot well‑suited for fleet and service vehicle parking. Positioned on a rear lot along Highway 50, the site provides convenient access for daily operations while maintaining visibility and ease of approach.
3,000 SF Metal Warehouse on 0.99 Acres
3,000 SF metal warehouse situated on a 0.99‑acre site, offering a functional layout for a wide range of industrial, service, or storage uses. The building is heated, insulated, and designed for efficient operations with (3) 10’ x 10’ overhead doors, air lines, and an oil separator already in place.
33.56 Acre Residential Development Site
Master planned for 90 lots as part of the Fountains Place Master Plan. High-growth corridor benefiting from continued residential expansion, new housing development, and supporting commercial and service uses. Holy Trinity Catholic School is located on the adjacent parcel. Walking trails and a community pool around this site.
2,044 SF Professional Office Suite
2,044 SF professional office building available for lease. The current suite includes 6 private offices, a large conference room, a waiting room, a kitchenette, an IT rack room, and a private restroom. This space will be fully remodeled by Union Contractors to your specifications — choose your preferred layout, flooring, and paint to create a workspace tailored to your team’s needs.
Owner-User Mixed-Use & Investment Property
Take over a pizzeria or start your own endeavor. Owner-user investment property located 1 block South of the East/West thoroughfare. Currently $2,200.00 monthly income. Property consists of 2 adjoining buildings with a second-story apartment.
8,482 SF Multi-Building Industrial Property
Building 1 - Office: 1,182 SF office building comprising two private offices, two restrooms, a locker room, and a common area. No central HVAC; conditioned by window AC units. Roof is flat/built-up.Building 2 - Quonset Hut / Shop: 4,100 SF Quonset-style steel building with 12-foot eave clearance, elevated wood floor, and an open work space.
3.86 Acre Secured Industrial Outdoor Storage Lot With 1,820 SF Office
±3.86-acre fully fenced industrial outdoor storage site with office in Fairmont City, IL. The property features a freestanding office building fronting Fairmont City Blvd. and a large rocked yard ideal for truck, trailer, equipment, or contractor storage. Located within Fairmont City TIF District #2 with low real estate taxes.
4-Unit Multi-Family Investment Property
4-unit multi-family investment property totaling approximately 4,020 SF, with each unit offering 2 bedrooms and 1 bath. The building also includes carports with storage lockers. The property benefits from strong visibility, convenient highway access, and proximity to established commercial and residential areas. Current occupancy, rents, and operating expenses are available upon request.
High-Visibility 1,800 SF Office Suite
A turnkey full-service 1,800-square-foot office suite in a high-visibility location on South Lincoln Avenue in O’Fallon, Illinois. The layout suits medical and dental practices, legal and accounting firms, professional services, and growing corporate teams.Space includes a Reception & Waiting Area, 3 Private Offices, 2 Conference Rooms, a breakroom, and 2 other bonus rooms.
0.9 Acre Commercial Lot
10820 Lincoln Trail is a 0.67± acre vacant commercial parcel in Fairview Heights, IL, with an additional 0.23± acre rear easement supporting QSR development — for a combined 0.90± acres of site area. Zoned for retail/commercial use, the site offers a rare shovel-ready opportunity directly across from St. Clair Square Mall along Metro East's busiest retail corridor.