James Tarmy Kartikay Mehrotra Bloomberg

Nina Agabian, a retired director of research in global health science at the University of California, bought a 29th-floor apartment in San Francisco's Millennium Tower in 2010. "It was supposed to be a wonderful building," she said in January, sitting in a leather chair in the building's vast, low-lit, owner's-club level. "For many of us, who left...

Nina Agabian, a retired director of research in global health science at the University of California, bought a 29th-floor apartment in San Francisco's Millennium Tower in 2010. "It was supposed to be a wonderful building," she said in January, sitting in a leather chair in the building's vast, low-lit, owner's-club level. "For many of us, who left...