TJ Maxx 3851 Mexico Rd, Saint Charles, MO63303 If you love designer fashion, but don't like designer prices, TJ Maxx is the store for you. This location of…More the chain offers name-brand items for up to 60 percent off retail store prices. And the selection changes all the time. New items arrive every week. It has a plethora of departments, including ladies' accessories, jewelry, ladies' footwear, beauty, activewear, women's plus, baby, juniors', men's, kids' and home.