The purchase of the Del Mar Heights Village Center (west of I-5 on Del Mar Heights Rd. at Mango Drive) by Donahue Schriber is expected to close by mid-summer, according to Elizabeth Schreiber, vice president and general manager for Donahue Schriber. Schreiber said she could not give more details on the purchase until the sale is final. Donahue Schriber also owns the Del Mar Highlands Town Center, located at Del Mar Heights Rd. and El Camino Real.