Allenmore Medical Building C is a 65,000 square foot structure located on the MultiCare Health System Allenmore Hospital campus in Tacoma. Allenmore C houses MultiCare's comprehensive outpatient imaging center, laboratory and office space for internal and family medicine doctors and surgeons. Cedar Surgical Associates takes the balance of the space in this new facility, which opened in August 2007.

Allenmore C is designed by BCRA of Tacoma using the Leadership in Energy and Environmental Design (LEED) Green Building Rating System?. The building uses with sustainable building materials and will continue to operate as an energy efficient facility for years to come. Notably, Allenmore C was a pilot project by the U.S. Green Building Council for Core and Shell construction (LEED for Core and Shell) and was awarded the LEED-Silver designation in 2008.