Cooper Hewitt Smithsonian Museum Cooper Hewitt Smithsonian Museum Cooper Hewitt Smithsonian Design Museum is officially reopen The museum welcomes back all people with free entry until October 31, 2021 Reserve your free ticket and check out our safety guidelines at Here 2 E 91st St New York, NY 10128 (212) 849-8400 Hours Mondays - Sundays: 10am - 6pm Saturdays: 10am - 9pm Website Facebook [intergeo id=”gDO3MTM”][/intergeo]