Built as a patient dormitory for the Augusta Mental Health Institute Campus, the Williams Pavilion is a finely detailed example of High Victorian architecture. The 3-story brick building, owned by the State of Maine, underwent a renovation and is now occupied by the State of Maine Department of Geology. The interior crown molding and hardwood floors were restored and glass and aluminum partitions were installed to create a clear distinction between the new and the old. Building systems were replaced and high tech communication systems were installed. The brick and granite exterior was carefully re-pointed and historically accurate windows were installed.