O'Fallon, IL · St. Clair County
Alseti Construction in O'Fallon.
O'Fallon's older downtown sits near the rail line, surrounded by newer subdivisions built during recent growth near Scott Air Force Base.
O'Fallon is about 15.7 miles from downtown St. Louis, well inside our 50-mile service area. Call (833) 995-2611 or send the form and we will schedule a walkthrough.
The older downtown near the rail line needs carpentry, porch, and window work, while the newer neighborhoods around the base corridor are at first roof and siding replacement. Decks and basement finishes round it out.
Services
Most requested in O'Fallon.
Roofing
Full replacements, storm repairs, and flat roofs on homes and light commercial.
See details →Siding systems
Fiber cement, metal, engineered wood, and vinyl siding, installed with proper flashing and trim.
See details →Residential window installation
Replacement and new-construction windows, flashed and sealed so they stay dry.
See details →Kitchen remodels
Full kitchen renovations from demo to final trim, run by one crew lead.
See details →Bathroom remodels
Tub-to-shower conversions, full gut remodels, and accessibility upgrades.
See details →Basement remodeling
Turn an unfinished basement into living space, done dry from the start.
See details →Decks
Composite and wood decks, covered porches, and railings built on proper footings.
See details →Concrete work
Driveways, patios, sidewalks, slabs, and steps, poured to last through freeze-thaw.
See details →