This is a remodel of one of the common modest 1940s stucco houses found throughout Noe Valley and San Francisco.  We eliminated the exterior ‘tunnel’ entry, enclosing the space and developing a new interior stair dramatically rising up into the existing living level.  The stair features a steel structure and railing and custom thick oak treads.  With this new interior stair, we were able to add a new master suite at garden level and a new slate-tiled entry hall.