NEW YORK CITY — Cushman & Wakefield has arranged the sale of 410 West End Ave., a seven-story apartment building in the Riverside-West End Historic District on Manhattan’s Upper West Side. The sales price was $18.3 million. The 42-unit, 20,272-square-foot building contains 14 studios and 28 one-bedroom apartments. The property also retains 25,415 square feet of excess air rights. Hall Oster, Mitchell Levine and Teddy Galligan of Cushman & Wakefield represented the undisclosed seller in the transaction.