8 Republican-held seats are contested this year. Democrats would need to flip 4 to gain control.
| Seat | Current member | 2026 race |
|---|---|---|
| District 1 | Irene M. Myers R | Unopposed Irene M. Myers RC |
| District 2 | Michael A. Casale R | Unopposed Michael A. Casale RC |
| District 3 | Christopher J. McKimmie R | Contested Matthew J. Chavez DWF vs. Christopher J. McKimmie RC |
| District 4 | Jeffrey Elder D | Contested Jeffrey Elder DWF vs. Sean Mapp RC |
| District 5 | Christopher A. Robins D | Contested Johnny C. Parks DWF vs. Russell Petrozzi RC |
| District 6 | Sam R. Farruggia II D | Contested Sam R. Farruggia II DWF vs. Timothy E. Huether RC |
| District 7 | Jesse P. Gooch R | Contested Douglas E. Mooradian DWF vs. Jesse P. Gooch RC |
| District 8 | Richard L. Andres, Jr. R | Contested Matthew D. Kennedy DO vs. Richard L. Andres Jr. RC |
| District 9 | Randy R. Bradt R | Contested Timothy S. Osborn D vs. Randy R. Bradt RC |
| District 10 | David E. Godfrey R | Contested John P. Lavelle DWF vs. David E. Godfrey RC |
| District 11 | Anthony J. Nemi R | Contested Bryan N. Thompson D vs. Anthony J. Nemi RC |
| District 12 | Carla L. Speranza D | Contested Carla L. Speranza DWF vs. James J. Slowey Jr. RC |
| District 13 | Richard E. (Rick) Abbott R | Contested Jocelyn E. Welton D vs. Richard E. Abbott RCWF |
| District 14 | Shawn A. Foti R | Unopposed Shawn A. Foti RC |
| District 15 | Michael A. Hill R | Contested Maria R. Fabrizio DWF vs. Michael A. Hill RC |