The Hallett Flats–Rawson & Co. Apartment Building at 1301–1307 Locust St. in Des Moines, Iowa is a pair of abutting buildings. The Hallett Flats building, at 1305–1307 Locust St., is a three-story building designed by architect George E. Hallett and was built in 1904. It has also been known as Hallett Apartments. The Rawson & Co. Apartment Building, a four-story building designed by Proudfoot, Bird and Rawson, was built in 1915 in such a way that the two would function as one building. It has also been known as Arlington Apartments. The combination was listed on the National Register of Historic Places in 2000. The listing included two contributing buildings and one other contributing structure.