Sapir was married twice. His first marriage to Bella Sapir ended in divorce. He has five children: Alex Sapir (born 1980), Zina Sapir Rosen (born 1985), Ruth, Zita, Eli. His second wife was Elena Ponomareva. He was a member of the Park East Synagogue in Manhattan. He built the Congregation of Georgian Jews synagogue in Rego Park, Queens. He died on September 26, 2014, aged 67.