- Looking for space for an event or class The Sierra 2 Center offers many choices. Curtis Hall Green Room Meetings and Classes Dance Studios 24th Street Theatre SIERRA 2 CENTER 2791 24th Street Sacramento, CA 95818 (916) 452-3005 office hours: M-F, 9 a.m.-5:30 p.m. Glynis Wood-Alberts Executive Director Sierra Curtis Neighborhood Association Union Pacific Rail Yard Project Information SCNA's ...www.sierra2.org