Money from the sale of the Tudor-style home in an exclusive neighborhood will be used for "the needs of the Catholic community," Archbishop Wilton Gregory said in a statement.
Gregory has been heavily criticized by many inside and outside the church for spending money to build the mansion, and he wrote in a newspaper article earlier this week that he took his "eye off the ball" after the archdiocese received a $15 million donation from the estate of Joseph Mitchell, a nephew "Gone With The Wind" author, Margaret Mitchell.
Pope Francis has been urging Roman Catholic officials to live simpler lives and has renounced the papal apartments in the Vatican palace for modest quarters in a Church guest house.
On Saturday, the 66-year-old Gregory said that he will leave the new home in early May and possibly move into a smaller property owned by the archdiocese.