虹口区
By 1915 Ezra had generated enough wealth to be able to re-sell at the price he had paid for it a choice property in the most desirable part of the Hongkou District on the northern bank of the Suzhou Creek diagonally across Huangpu Road from the Astor House Hotel, to the United States for their consulate. By 1920 the Astor House Hotel was making a handsome profit under his leadership.