First Potomac Realty Trust is engaged in the ownership, management, development and redevelopment of office, business park and industrial properties in the greater Washington, D.C. region. The Company separates its properties into four distinct reporting segments, which it refers to as the Washington, D.C., Maryland, Northern Virginia and Southern Virginia. The Company�s portfolio contains a mix of single-tenant and multi-tenant office and industrial properties, as well as business parks. Office properties are single-story and multi-story buildings, which are used for office use. The Company conducts its business through First Potomac Realty Investment Limited Partnership, the Company�s operating partnership (the Operating Partnership). As of December 31, 2012, the Company is the sole general partner of owned a 95.2% interest in, the Operating Partnership. In April 2014, First Potomac Realty Trust acquired 1401 K Street, NW in Washington, D.C.