Arrowston is a historic estate in the city of Piqua, Ohio, United States. Built at the end of the nineteenth century for a local industrialist, it has been named a historic site. As the president of the Favorite Stove and Range Company, William K. Boal headed Piqua's largest industrial employer during the Gilded Age and early twentieth century. He and his wife arranged for the construction of the house at Arrowston in 1887, but it was only home to them for about a decade: Mrs. Boal was deeply shaken by the death of one of their sons and no longer desired to live in their mansion, and they moved to a residence in central Piqua in 1898. Later owners expanded the property in 1929, creating a large estate around the house: the newly expanded property included the construction of a lake and can