Waterloo Lumber Co. is proud to serve homeowners in Waterloo, Illinois as well as all Monroe County. We provide excellent customer service and great product selection to the Illinois communities of Wartburg, Burksville, Hecker, Smithton, Columbia, and Valmeyer. Stop by your local, independently-owned Waterloo Lumber Co. today! Waterloo Lumber Co. is a full-service hardware store and lumber yard that strives to provide the best in quality and customer service. We are locally owned and operated with over 200 years of combined experience! For your shopping convenience, we want to welcome you to our online store where you can purchase 67,000 items and have them shipped to our store for free. We also carry a large variety of hardwood flooring & moldings, Alterna flooring, stair parts, hardware, painting supplies, tools, plumbing supplies, electrical supplies and more!