642 Harrison Back in Business as SOMA Office Desitination

San Francisco, CA – 642 Harrison Street, long slated for residential redevelopment, has returned as a leading South of Market office destination for creative tenants.  Cammisa & Wipf, a long-time San Francisco electrical and mechanical engineering firm, has inked a 10-year lease on the 4th floor of the building.  Ellis Partners LLC was retained as the Asset Manager for 642 Harrison in November 2009.