CoStar Group, Inc. is commercial real estate’s leading provider of information and analytic services. Headquartered in Washington, DC, CoStar maintains offices throughout the U.S. and in Europe with a staff of approximately 1,500 worldwide, including the industry’s largest professional research organization. The 10-story, 400,000-square-foot DC headquarters incorporates a greenroof and other energy savers, and is expected to achieve LEED Silver certification.

The LiveRoof brand standard (4 inch) system was installed on the CoStar Group building by James Myers Roofing in August 2011. The custom designed sedum modules were grown at Riverbend Nursery.