California held special elections on November 5, 2019, deciding 1 legislative seat.
Legislature
- Assembly (80 seats): 59 D, 20 R, 1 other or vacant before the election, 60 D, 18 R, 2 other or vacant after; control stayed with Democrats.
- Senate (40 seats): 29 D, 11 R before the election, 29 D, 11 R after; control stayed with Democrats.
Legislative races
| Race | Winner | Others | Notes |
|---|---|---|---|
| Assembly 1 | Megan Dahle (R) 57.3% | Elizabeth Betancourt (D) 42.7% |