The Washington State Legislative Building is listed on the National Register of Historic Places, as well as on the Washington State Register. The 287-foot-high dome is the fourth tallest all-masonry dome in the world. The building required a sensitive renovation to preserve this structure for future generations and update it for current users.

Acoustic Dimensions was invited to join a team of specialists from around the nation. As the acoustics consultant, AD provided consultation and recommendations for room acoustics and noise and vibration control.