Green Hills Home Center & Lumber Company is Mohnton's largest independent building supplies and services store. For more than 25 Years, Green Hills Home Center & Lumber Company has remained a family business. The Herrs' vision was to create a building supply store to help contractors and homeowners access high quality building supplies at affordable prices. Our continuing objective is to supply local contractors and homeowners with access to the materials required to build dreams. For contractors, our large selection of building supplies is perfect for all projects small or large.