A property owner who illegally demolished a 1936 Twin Peaks house designed by a renowned modernist must rebuild an exact replica of the home rather than the much larger structure the property owner had proposed replacing it with, the City Planning Commission ruled this week. In a unanimous 5-0 vote late Thursday night, the commission also ordered that the property owner — Ross Johnston, through his 49 Hopkins LLC — include a sidewalk plaque telling the story of the original house designed by architect Richard Neutra, the demolition and the replica. The commission directive, unprecedented in San Francisco, comes more...