WILLISTON, N.D. — IRET (NYSE: IRET) has closed on the sale of its interest in a multifamily portfolio in Williston for $42.3 million. IRET owned the majority interest in the Renaissance Heights and Williston Gardens properties, which consist of 433 units and a vacant land parcel. IRET was the sole owner of Dakota Commons, which includes 44 units. IRET managed all 477 units prior to the sale. Williston is in the Bakken region of North Dakota, which is known for oil production. Following this transaction, IRET has no remaining units in Williston. The buyer was Weidner Apartment Homes.