Bethlehem, Pa. — Rittenhouse Realty Advisors has arranged the $21.4 million sale of a student housing portfolio near Lehigh University in Bethlehem. The portfolio consists of 44 properties totaling 219 beds. The buyer in the transaction was an undisclosed family office new to the student housing market. Brad Domenico of Progress Capital secured $16 million in acquisition financing on behalf of the buyer through Ladder Capital. The seller was undisclosed.