The Nettie Krouse Fourplex in southeast Portland in the U.S. state of Oregon is a 2.5-story multiple dwelling listed on the National Register of Historic Places. Built in the American Craftsman style in 1910, it was added to the register in 1989. Krouse, the original owner, at first lived in a house across the street but eventually moved into the apartment building. She resided there until her death in 1954.