Republican-held seats worth 96 weighted votes are contested this year. Democrats would need to flip 434 weighted votes to gain control, so control can't change in 2026.
| Seat | Current member | Weighted vote | 2026 race |
|---|---|---|---|
| Bristol | Laura B. Abplanalp R | 96 | Contested Michael McClain DO vs. Laura Abplanalp RC |
| Canadice | Kristine A. Singer R | 69 | Seat not up for election |
| Canandaigua (town) | Donald F. Cotter D | 444 | Seat not up for election |
| Canandaigua City Wards 1 & 4 | David B. Baker D | 225 | Seat not up for election |
| Canandaigua City Wards 2 & 3 | Nancy H. Yacci D | 213 | Seat not up for election |
| East Bloomfield | Frederick A. Wille R | 152 | Seat not up for election |
| Farmington | Peter V. Ingalsbe R | 550 | Seat not up for election |
| Geneva (town) | Mark A. Venuti D | 146 | Seat not up for election |
| Geneva City Wards 1 & 2 | James X. Kennedy D | 216 | Seat not up for election |
| Geneva City Wards 3 & 4 | Jan E. Regan D | 163 | Seat not up for election |
| Geneva City Wards 5 & 6 | Esther K. Dickinson D | 153 | Seat not up for election |
| Gorham | Dale C. Stell R | 170 | Unopposed Dale C. Stell R |
| Hopewell | William B. Namestnik R | 163 | Unopposed William B. Namestnik RC |
| Manchester | Tate A. Colburn R | 381 | Unopposed Tate Colburn R |
| Naples | John B. Cowley D | 100 | Contested John B. Cowley D vs. William Stopka RO |
| Phelps | William (Bill) Wellman R | 273 | Seat not up for election |
| Richmond | Michael J. Baker R | 142 | Unopposed Michael Baker RD |
| Seneca | Roslyn G. Grammar R | 110 | Seat not up for election |
| South Bristol | Lisa C. Moore D | 68 | Contested Lisa Moore DO vs. Meghan Fuller RC |
| Victor | John (Jack) F. Marren R | 602 | Seat not up for election |
| West Bloomfield | Tim A. Schiefen D | 114 | Seat not up for election |