BALTIMORE-Ownership of the 16-story office tower at 10 E. Baltimore St. changes hands in a recent $16.4-million transaction. A joint venture involving an affiliate of Harbor Group International and an institutional investor take the 168,400-sf property off the hands of ATAPCO.

BALTIMORE-Skanska USA keeps raking in the big assignments, its latest being the construction management contract for the development of the National Institutes of Health's biomedical research center. The contract for the 560,000-sf project is worth about $166 million.

ANNAPOLIS JUNCTION, MD-Booz Allen Hamilton Inc. commits to an entire building at The National Business Park, a sprawling mixed-use development that will ultimately offer about three million sf of space. Booz Allen will make is home in a 162,500-sf office structure that is currently under construction.

WASHINGTON, DC-Conceding to the wishes of the US Office of Federal Housing Enterprise Oversight, Fannie Mae commits to making some changes to its practices, including increasing its capital surplus target to 30% from 18% over the next nine months.

BALTIMORE-In a deal valued at $40 million, ownership of the class A office structure at 300 E. Lombard St. changes hands. Ireland-based CMC Investments acquires the 230,000-sf property from Amstar Group, making its entrée into the US real estate market.

WASHINGTON, DC-Garvey Schubert & Barer decides to reconfigure, expand and renew its lease of space at the Flour Mill Building, a 124,000-sf office building in the trendy Georgetown section of the District.

NORFOLK, VA-A $68-million financing package closes for a 938,000-sf shopping center known as the Gallery at Military Circle. Carlton Advisory Services is behind the arrangement of the fixed-rate loan, which will go to an affiliate of Thor Equities LLC.

ROSSLYN, VA-Potomac Tower, a soaring 238,000-sf office building just across the bridge from Washington, DC, finds a new owner courtesy of a recent $106-million deal. Brookfield Properties Corp. takes the class A property off the hands of Deutsche Immobilien Fonds AG.