Helm

CA-10 House forecast

Safe Dem2026 lines

Polls close . Statewide at 8:00 PM local time. Every voter gets a mail ballot; polling places are open too

DeSaulnier 96% chance

  • Mark DeSaulnier (D)-1% past 7 days96%
  • Jeff Frese (R)+1% past 7 days4%

Chance over time

  • DeSaulnier96%
  • Frese4%

Chance over time, past month: DeSaulnier from 97% to 96%; Frese from 4% to 4%.

Chance over time, past month, weekly
DateDeSaulnierFrese
Sep 23, 202696%4%
Sep 30, 202696%4%
Oct 7, 202696%5%
Oct 14, 202697%3%
Oct 21, 202696%4%

Projected margin

No margin forecast for this race.

Helm simulation

Not among the districts that most often decide House control in the simulation.

Call this race in your scenario

Context

  • New lines for 2026: the current CA-10 member was elected on different lines.

More in California

51 more House districts

Ballot measures

  • Billionaire one-time wealth tax passes in California election 2026?No 78%

News and signals

House
92% DEM
Senate
65% DEM