Angelo A. Aragona, 84, a banker, builder and real estate developer who had lived in the Washington area since 1960, died Monday in a hospital in Jacksonville, N.C., after a heart attack. He had been visiting relatives when he was stricken.

He was a resident of Fort Washington, Md., and attended the St. Columba and St. Mary's Catholic churches in Oxon Hill.

Mr. Aragona was a native of Italy and came to this country in 1906. He lived in West Virginia and New York before moving here. He attended the Pratt Institute in New York. He was a decorated World War I combat veteran of the Italian Army.

He was director of savings and loan institutions in New York and California and had been involved in real estate development in those states and in the Washington area. He was the developer of Brooke Manor Estates in Oxon Hill.

His first wife, the former Theresa Troiac, died in 1926.

Mr. Aragona's survivors include his second wife, the former Minnie Gatto, whom he married in 1932, of Fort Washington; two daughters by his first marriage, Phyliss Varipapa and Juliette Grillo, both of Oxon Hill; two sons by his second marriage, Xavier of Fort Washington, and Martin of Jacksonville, N.C.; two brothers, Albert of Albany, N.Y., and Gildo of Jacksonville, N.C.; two sisters, Mary Lucente of Oxon Hill, and Rachel Lista of Italy; 15 grandchildren, and four great-grandchildren.