Located at 4520 S. State St., the development of Legends SouthA3 was approved by City Council on September 18, 2024. The development includes the construction of two new buildings witha total of 52 units. One building will be a four-story corridor elevator building that will house 40 units with commercial spaceon the first floor. The second building will be a 3-story walk up adding another 12 units to the development.

This phase of the development will also include a management office, community room, fitness room, and1:1 bike storage. A resident plaza will be located on the north end of the site. There will be a total of 45 parking spaces, with 6 reserved for the commercial development and 39 spaces are for the residents of the building.

Legends South A3 consists of six parcels that are site controlled by CHA. The property was formerly home to Robert Taylor Homes, a Chicago Housing Authority public housing development. This is the sixth phase in the redevelopment of the former Robert Taylor Homes. and the third on-site phase that will be constructed within the former Robert Taylor Homes footprint.