East Side Lumber has been Hartford, WI’s trusted lumber yard and building materials supplier since 1961. As a locally owned, family-run business, we provide contractors and homeowners with top-quality products for construction and remodeling projects. Our extensive inventory includes lumber, windows, doors, decking, siding, roofing, cabinets, and more—everything needed for residential and light commercial builds. We also offer convenient job-site delivery to keep your project on schedule. Serving Washington, Dodge, and Waukesha counties, our experienced team is dedicated to expert advice, reliable service, and premium materials you can trust for lasting results.