U.S. House seat for California's 49th congressional district. Representatives serve two-year terms.

5 candidates filed, 2 active for the 2026 House election in California District 49. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Mike Levin D | 52.2% | 378,347 | |
| 2022 | Mike Levin D | 52.6% | 291,735 | |
| 2020 | Mike Levin D | 53.1% | 386,506 | |
| 2018 | Mike Levin D | 56.4% | 295,030 | |
| 2016 | Darrell E Issa R | 50.3% | 310,155 | |
| 2014 | Darrell E Issa R | 60.2% | 163,142 | |
| 2012 | Darrell E Issa R | 58.2% | 274,618 | |
| 2010 | Darrell E Issa R | 62.8% | 189,677 | |
| 2008 | Darrell E Issa R | 58.3% | 240,670 | |
| 2006 | Darrell E Issa R | 63.3% | 156,010 | |
| 2004 | Darrell E Issa R | 62.6% | 226,466 | |
| 2002 | Darrell E Issa R | 77.9% | 121,485 | |
| 2000 | Susan A Davis D | 49.6% | 228,489 | |
| 1998 | Brian P Bilbray R | 48.8% | 185,519 | |
| 1996 | Brian P Bilbray R | 52.6% | 206,768 |