The Best Hawthorn homes in O'Fallon, Missouri

Welcome to Hawthorn Home Exteriors, your trusted general and roofing contractor located at 30 Fern Brook Court, O'Fallon, Missouri. Specializing in professional window replacement and James Hardie siding installation, we proudly serve the Saint Louis, MO area with unmatched expertise and dedication. As St. Louis' foremost authority on James Hardie Siding, our team has trained hundreds of companies nationwide on best practices for siding installation. We understand that re-siding your home is an ideal opportunity to consider window replacement. Our projects often include wood, fiberglass, and vinyl window replacements, and many of our clients also choose to replace their front doors alongside their new siding. We collaborate with top door manufacturers to ensure quality and style.