840 First Street is adjacent to Union Station, a hub for MARC, VRE and Metro, and is located on the southern end of the NoMA BID (north of Massachusetts Avenue Business Improvement District). The property was developed as a part of the master planned five-acre site known as Union Center Plaza, which contains five office buildings totaling approximately 1.45M square feet.  Besides being the transportation hub of the District, Union Station is a mixed-use complex featuring nearly 130 retail shops and restaurants, a food court and 9-screen movie theatre.  840 First Street is also located within walking distance to the US Capitol.