10 Hastings Rd Old Westbury, NY, 11568 The Hastings House Is A Magnificent Estate Designed By Renowned Architect Thomas Hastings In 1932. Set On Landscaped 19+ Flat Acres. Enter Through Iron Gates Down A Tree Lined Private Drive To A Handsome Stucco Manor Built With Expert Workmanship. Two Renovated Guest Cottages, A 3 Br Staff House And Apt Above 3 Car Garage,Tennis Ct,Ig Pool, Slate Terrace, 2 Outdoor Rooms