Sidney Harman Hall is a theater located at Sixth and F Streets NW in Washington, D.C. It opened officially on October 1, 2007. Along with the existing Lansburgh Theatre, it comprises the new Harman Center for the Arts, the home of the Shakespeare Theatre Company (STC). The Toronto architect Jack Diamond designed the theatre and Paul Beckmann of the DC firm Smithgroup designed the building that houses the theatre at a cost of $89 million.