Location: San Francisco,California, US Area: 3500 ft2 Year: 2016 Architects: Schwartz and Architecture Project Team: Caterina Belardetti, Neil O’Shea, Joshua Yoches   Photography: Bruce Damonte It is often difficult to create a sense of openness and continuity in multi-level urban homes. By allowing the staircases of this three-story structure the freedom to shift location on each level – defining…