Email: [email protected] Basement Remodeling Weldon Spring is a family-run basement contractor serving Weldon Spring, St. Charles, Cottleville, Dardenne Prairie and O'Fallon, MO. Built on more than 25 years of construction experience passed down from a carpenter father, our team specializes in basement finishing, full basement remodels, custom basement bars, entertainment rooms, home theater rooms, basement guest suites, wine cellars, basement bathrooms, and home office and fitness room conversions. Weldon... read full review »