NEMA, also known as Tenth and Market, is a 754-unit luxury residential apartment complex in the Mid-Market neighborhood of San Francisco, California, United States. across the street from Twitter's corporate headquarters. The complex consists of a 19-story, 220-foot tower at Jessie and Tenth Streets and a 35-story, 352-foot tower at Market and Tenth Streets, connected by a nine story podium along Tenth Street.