Fennimore women proposed a library building in 1922 to house a book collection formerly located in a room at the Methodist Church and at the Old Fennimore House. Dwight T. Parker, a local Progressive Movement leader and well-known banker, donated the building with the intention that it would be a beautiful point of interest in the city. Upon his death in 1934, Parker added a trust fund to his original gift.

The eclectic design stands out among its residential neighbors and is an unusual choice by well-known library architects Claude & Starck of Madison, better known for their Prairie and NeoClassical designs. The structure incorporates Mediterranean and NeoClassical elements into a rectangular mass reminscent of their Prairie School designs. Large brackets support the wide overhanging eaves of the clay tile roof. A central NeoClassical entrance projects from the front façade. Terracotta details such as a pediment, colonettes, arches, and bracketed sills accent the simple brick motif.

The interior has a typical library plan with a central circulation desk facing the vestibule and reading rooms to either side. The basement was reserved for lectures and now serves as the children¿s library. Horizontal oak moldings, a simple oak mantle, and green tile reflect the architects' Prairie School manner.

The library is still in operation and is open during regular hours.