Yahoo! Homes helps you find Lemont, IL new homes for sale and make well informed real estate decisions in the process. Refine your search for Lemont new construction homes by price, number of bedrooms, bathrooms, property type, and more. Find mortgage rates that will allow you to finance your new house. Once you've identified your new home, make sure the offer price represents an accurate home valuation. These new construction homes for sale are provided by Lemont home builders and other aggregators of online new home listings in Lemont, IL.