California District 10
D+18
Primary: June 2, 2026
District Demographics
Median HHI
$151,546
Unemployment
6.3%
Uninsured
3.2%
Top-Two Primary Contest
Top-Two Primary — All candidates on one ballot
Mark DeSaulnier
Inc
$491K raised
C
2024 House Results
MARK DESAULNIER
vs66.5%
KATHERINE PICCININI
33.5%
D+33.0
Candidate Details
Mark DeSaulnier
Democratic
Grade: C
2026 Fundraising$491K
Individuals
PACs