California District 10
Primary: June 2, 2026
General Election
Top-Two Primary — All candidates on one ballot
Mark DeSaulnier
$567K raised
Guarantee
D+
District Demographics
Median HHI
$151,546
Unemployment
6.3%
Uninsured
3.2%
2024 House Results
MARK DESAULNIER
vs66.5%
KATHERINE PICCININI
33.5%
D+33.0
2024 Presidential
D: 65.1%|R: 31.5%
D+33.6
2020 Presidential
D: 69.0%|R: 29.0%
D+39.0
Candidate Details
Mark DeSaulnier
Democratic
Grade: D+
2026 Fundraising$567K
Individuals
PACs