2018 San Francisco mayoral special election
Ed Lee, who was appointed Mayor of San Francisco in 2011 following Gavin Newsom's election as Lieutenant Governor of California, elected to a full term in 2011, and reelected in 2015, died of cardiac arrest on December 12, 2017. London Breed, the President of the San Francisco Board of Supervisors, became the city's acting mayor.
Mayor of San Francisco
Unlike a few other American cities, the San Francisco mayor does not have an official residence; in the 1990s, Mayor Willie Brown unsuccessfully pushed to acquire the Yerba Buena Island mansion formerly held used by U.S. Navy admirals as a ceremonial residence for the mayor.