Posted on July 1, 2018 by BarryThe Rex Pizza and Lobster Roll opens in 1,500 sf The Rex-Pizza and Lobster Roll opens at Westchester Westchester Square 215-299 N. Central Park Avenue, Hartsdale, NY 10530. This 1,500 sq. casual gourmet concept opened in May 2018. Marty Deitch, Ex. VP, of AD&E represented the Landlord and Tenant.