Niewerth Building, also known as Hamling's Tavern, is a historic commercial building located at Delphi, Carroll County, Indiana. It was built in 1874, and is a two-story, five bay, Italianate style brick building. It measures 30 feet wide and 74 feet deep. The exterior was coated with stucco in the 1930s. The front facade features a limestone nameplate labeled "1874 F. Niewerth", a triangular arched entry, and cameo window.It was listed on the National Register of Historic Places in 1984.