Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Andrew Mellon Building -  McCormick Apartments also known as Andrew Mellon Building Mellon Apartment or 1785 Massachusetts Avenue is a landmark apartment building on Embassy Row in Washington D.C. whose inhabitants once included Andrew W. Mellon. It will soon become home to the American Enterprise Institute.
A:
Building