ARLINGTON, VA-The 142,500-sf office building at 1005 N. Glebe Rd. will house offices of Defense Holdings Inc. The expanding engineering and technology company signs a lease for 19,800 sf of space.

ROCKVILLE, MD-Washington Real Estate Investment Trust commits to acquiring a four-building medical office portfolio for $67 million. The structures account for a total of 175,300 sf of leasable space, and are located here and in Bel Air, MD.

ROCKVILLE, MD-Washington Real Estate Investment Trust commits to acquiring a four-building medical office portfolio for $67 million. The structures account for a total of 175,300 sf of leasable space, and are located here and in Bel Air, MD.

SPRINGFIELD, VA-ING Clarion acquires MetroPark, a 410,000-sf office complex of four office buildings in a $207-million deal. The property includes a parcel of land that can accommodate the development of an additional 515,100 sf of space.

SPRINGFIELD, VA-ING Clarion acquires MetroPark, a 410,000-sf office complex of four office buildings in a $207-million deal. The property includes a parcel of land that can accommodate the development of an additional 515,100 sf of space.

ROCKVILLE, MD-In a $12.8-million deal, Washington Property Co. takes ownership of the 81,900-sf office property at 4 Research Pl. The transaction includes a parcel that can accommodate the development of a commercial structure as large as 29,000 sf.

WASHINGTON, DC-The office building at 1331 H St. NW comes under new ownership. The 73,900-sf property, which was 99% leased at the time of the transaction, last traded in 2002 for $15.4 million.

WASHINGTON, DC-Mezzanine financing for the construction of an 18-unit condominium building at 2501 Pennsylvania Ave. NW is put in place. The multifamily property will cost $36 million to complete.