The Key House is a one and one-half story wood-framed dwelling, rectangular in plan, with a hipped roof and full recessed porch supported by boxed posts on brick bases. Identical hipped dormers, each with a recessed balcony framed by boxed posts, project to the front and sides. The house is a good example of a widespread residential type of its period. It was built c. 1908, perhaps by William and Sebastian Schafer, the earliest recorded residents, listed as builder and carpenter in city directories. The house was purchased in 1923 by Arthur W. Key, a clerk with the Chicago Rock Island & Gulf Railway, and remains in the family. The Key House has been demolished.
