Architecture design, Building design, Office design. Recipient of the 2010 Washington Building Congress  expertise Award, 1999 K Street aims to provide a work environment in Washington DC that is responsive to the urban environment. Murphy Jahn design approach is focused on filling every space to work with natural light. The result is a simple building, efficient and sustainable. 1999 K Street, received LEED Gold Certification in 2009. Trace a ...