 The Giant supermarket in this shopping center serves not only the Chillum neighborhood but also residents living in the nearby Riggs Park and Fort Totten neighborhoods of NE D.C.The Giant Food Store opened in Riggs Plaza Shopping Center in July 1997.It moved into the shopping center from its former location on 300 Riggs Road, NE, which was located about a few miles south of Chillum in the Riggs Park neighborhood of Washington, D.C. Across from the Riggs Plaza Shopping Center on Riggs Road (MD 212) is Mo's laundromat.