California Democrats currently hold 42 out of 53 US House seats, with one vacancy. The state lost a US House seat for the first time in history after the 2020 census. In California, all candidates for congressional or state offices run on the same ballot and the top two candidates, regardless of party, advance to the general election. 

House District 15: California Primary County Results

San Francisco

Candidate(s) % Votes
Mullin %
Canepa %
Mattammal %
Beach %
Garrity %
Watters %
Pataki %

San Mateo

Candidate(s) % Votes
Mullin %
Canepa %
Mattammal %
Beach %
Garrity %
Watters %
Pataki %