11 Republican-held seats are contested this year. Democrats would need to flip 2 to gain control.
| Seat | Current member | 2026 race |
|---|---|---|
| District 1 | Scott Davis D | Contested Scott M. Davis D vs. Edward J. Lino RC |
| District 2 | Viviana L. Russell D | Contested Viviana L. Russell D vs. Lamont E. Johnson RC |
| District 3 | Carrié Solages D | Contested Carrié Solages DWF vs. Kadeem M. Brown RC |
| District 4 | Patrick Mullaney R | Contested Michael J. Pentola D vs. Patrick Mullaney RC |
| District 5 | Olena Nicks D | Contested Olena Nicks D vs. Moshe E. Hill RC |
| District 6 | Debra Mulé D | Contested Debra S. Mulé D vs. Benjamin Jackson RC |
| District 7 | Howard J. Kopel R | Contested Douglas J. Segan D vs. Howard J. Kopel RC |
| District 8 | John J. Giuffrè R | Contested Joy Jankunas D vs. John J. Giuffrè RC |
| District 9 | Scott Strauss R | Contested Juleigh Chin D vs. Scott P. Strauss RC |
| District 10 | Mazi Melesa Pilip R | Contested Skylar A. Epstein D vs. Mazi Melesa Pilip RC |
| District 11 | Delia DeRiggi-Whitton D | Contested Delia M. DeRiggi-Whitton D vs. John Canning RC |
| District 12 | Michael Giangregorio R | Contested Michael Vanunu D vs. Michael J. Giangregorio RC |
| District 13 | Thomas McKevitt R | Contested Christina M. Lemyre D vs. Thomas McKevitt RC |
| District 14 | Cynthia Nuñez D | Contested Cynthia Nuñez D vs. Anthony B. Capone RC |
| District 15 | Kayla Knight R | Contested David Louis Boldt Smith D vs. Kayla Lianne Knight RC |
| District 16 | Arnold W. Drucker D | Contested Jared S. Behr D vs. Olivia G. Pfeifer RC |
| District 17 | Rose Marie Walker R | Contested Ryan J. Johnson D vs. Rose Marie Walker RC |
| District 18 | Samantha Goetz R | Contested Graham T. Musynske D vs. Samantha A. Goetz RC |
| District 19 | James Kennedy R | Contested Christine Barlow D vs. James D. Kennedy RC |