<P> Eight candidates qualified to appear on the ballot , and a ninth qualified as a write - in . The four major candidates were former Supervisor Angela Alioto , former Acting Mayor London Breed , Supervisor Jane Kim and former State Senator Mark Leno . All four main candidates identify as Democrats , though the position is officially nonpartisan per the Constitution of California . Leno conceded the race to Breed on June 13 . </P>
<P> Eight candidates qualified to appear on the ballot , and a ninth qualified as a write - in . The four major candidates were former Supervisor Angela Alioto , former Acting Mayor London Breed , Supervisor Jane Kim and former State Senator Mark Leno . All four main candidates identify as Democrats , though the position is officially nonpartisan per the Constitution of California . Leno conceded the race to Breed on June 13 . </P>
who was elected mayor of san francisco in 2018
who was elected mayor of san francisco in 2018
former Acting Mayor London Breed
former Acting Mayor London Breed