Daniel Lurie, an heir to the Levi Strauss & Co. fortune, is set to become mayor of San Francisco after spending more than $8 million of his own money to position himself as a political outsider who could best tackle the city’s homelessness,

Local filings showed Daniel Lurie spent millions of dollars of his own money to help fund his mayoral run against fellow Democrat and incumbent mayor London Breed.

SAN FRANCISCO — San Francisco Mayor London Breed on Thursday conceded the race to Levi Strauss heir and nonprofit founder Daniel Lurie, who heavily outspent Breed and blamed her for the city’s problems with homelessness and drug overdoses. “Today, I ...