High Quality Content by WIKIPEDIA articles! CityCenterDC is a real estate development consisting of two condominium buildings, two rental apartment buildings, two office buildings, a luxury hotel, and public park in downtown Washington, D.C., the capital of the United States. It encompasses 2,000,000 square feet (190,000 m2) and covers more than five city blocks. The $950 million development began construction on April 4, 2011, on the site of the former Washington Convention Center—a 10.2-acre (4.1 ha) site bounded by New York Avenue NW, 9th Street NW, H Street NW, and 11th Street NW.