With great excitement we're proud to announce that MultiCare a leader in healthcare to Washington residents has chosen Diamond Square as their new home to serve the growing community of Black Diamond.

We are excited to unveil the new plans for Diamond Square. We will be bringing an icon and world-class retail and commercial space to the Black Diamond community.

Diamond Square has selected CallisonRTKL as the architect for its new campus. CallisonRTKL is a world leader in innovative architecture and has been responsible for some of the most innovative designs worldwide.