Amman or Ammann, in the Browne's Addition neighborhood of Spokane, Washington is a building constructed in 1904. It was designed by architect Albert Held. The building was listed on the U.S. National Register of Historic Places in 1987. Although the National Register of Historic Places list the property under the name Amman the Spokane Register of His…Amman or Ammann, in the Browne's Addition neighborhood of Spokane, Washington is a building constructed in 1904. It was designed by architect Albert Held. The building was listed on the U.S. National Register of Historic Places in 1987. Although the National Register of Historic Places list the property under the name Amman the Spokane Register of Historic Places lists the building as Ammann.