Government Properties Income Trust (GOV) is a real estate investment trust (REIT). GOV owns and leases office buildings that are majority leased to government tenants. As of December 31, 2010, 96.1% of its rentable square feet were leased. As of December 31, 2010, GOV owned 55 properties. These 55 properties have approximately 6.8 million rentable square feet. 44 of these properties, with approximately 5.6 million rentable square feet, are primarily leased to the United States Government and 11 of these properties, with approximately 1.2 million rentable square feet, are leased to the States of California, Maryland, Massachusetts, Minnesota, New Jersey, and South Carolina. Its manager is Reit Management & Research LLC (RMR). During the year ended December 31, 2010, GOV acquired an office and warehouse property located in Landover, Maryland; acquired an office property located in Malden, Massachusetts; acquired 15 properties, and acquired an office property located in Tampa, Florida.