But they are a steep investment. In fact, walk-in tubs can range in price from $2,000 to $20,000 for the tub and $1,000 to $10,000 for installation, according to the National Council on Aging.

Need a walk-in tub in St. Louis, Missouri? Our picks include American Standard Walk-in Baths, Independent Home and Safe Step Walk-In Tub. Read about how to find the best company for you.