Built in 1869, this historic structure is a 2+1⁄2-story, four-bay, brick building with a stucco foundation that was designed in the Gothic Revival style. It has a later addition in an industrial style. It features a pedimented front gable, a molded wood cornice, and an ocular vent opening.[2] It was named after merchant and philanthropist Robert Ralston (1761–1836).