area bounded by Powell Street and Rockaway, Livonia, and Sutter Avenues that is composed of multiple inward-facing developments located on six superblocks. The neighborhood contains the most densely concentrated area of public housing in the United States. NYCHA owns more housing units in Brownsville than in any other neighborhood, with about one-third of the housing stock (around 10,000 units) in its 18 Brownsville developments, comprising over 100 buildings within . In 2013, it was estimated that the housing developments alone contained nearly 21,000 people. Many of these buildings were built in the mid-20th-century and are deteriorating . 104–114 Tapscott Street; one 4-story building. Brownsville Houses; 27 buildings, 6- and 7 stories tall. Glenmore Plaza; four buildings, 10, 18 and 24 stories tall. Howard Avenue; five buildings, 3 stories tall. Howard Avenue-Park Place; eight buildings, 3 stories tall. Howard Houses; ten buildings, 7- and 13 stories tall. Hughes Apartments; three 22-story buildings. Marcus Garvey (Group A); three buildings, 6 and 14 stories tall. Ralph Avenue Rehab; five 4-story buildings. Reverend Randolph Brown; two 6-story buildings. Seth Low Houses; four buildings, 17 and 18 stories tall. Sutter Avenue-Union Street; three rehabilitated tenement buildings, 4 and 6 stories tall. Tapscott Street Rehab; eight 4-story rehabilitated tenement buildings. Tilden Houses; eight 16-story buildings. Van Dyke I; 22 buildings, 3 and 14 stories tall. Van Dyke II; one 14-story building. Woodson Houses; two buildings, 10 and 25 stories tall. In addition, below Pitkin Avenue, there is also a significant concentration of semi-detached multi-unit row houses similar to those found in East New York and Soundview surrounding the public housing developments. Many have been torn down and replaced by vacant lots or newly constructed subsidized attached multi-unit rowhouses with gardens, driveways, and finished basements. Most of these houses were built in East New York, Ocean Hill, and Brownsville under the Nehemiah development program. Of the Nehemiah developments, most of them were built on the western half of the neighborhood. Other newly built or restored housing includes 3,871 housing units for low-income residents, as well as Noble Drew Ali Plaza, a 385-unit apartment building that was notorious for drug dealing before the New York City Department of Housing Preservation and Development (HPD) helped New York Mets first baseman Mo Vaughn buy and redevelop the building. The Livonia Avenue Initiative, a multi-phase project situated along Livonia Avenue, is intended to create 791 apartments or houses for low-income residents.