Built in 1876 and 1886 respectively, they are among the oldest surviving academic buildings on the west coast of the United States, and are noted for their Second Empire architecture.

[3] The exteriors, in particular wooden trim elements, suffered due to Oregon's coastal climate.

They were both given historically sensitive restoration in the mid-1990s, a process in which students were given the opportunity to participate through classes organized for the purpose.

Its windows have rounded tops with keystones in the Italianate style, and there are rows of dentil brickwork above the second and third floors.

Windows on its upper level are set in round-top openings, with flanking pilasters both within and part of the surrounding frame.