Republican-held seats worth 59,824.5 weighted votes are contested this year. Democrats would need to flip 22,591.5 weighted votes to gain control.
| Seat | Current member | Weighted vote | 2026 race |
|---|---|---|---|
| Ballston | John Antoski R | 11,831 | Contested John Antoski RCO vs. Eric Connolly O |
| Charlton | Joseph Grasso R | 4,328 | Seat not up for election |
| Clifton Park (town) | Ram Mohan Lalukota D | 19,014.5 | Contested Martin C. O'Connor DWF vs. Chad Gregory RCO |
| Clifton Park (Town/County) | Philip C. Barrett R | 19,014.5 | Contested Ram Mohan Lalukota DWF vs. Anthony Morelli RCO |
| Corinth | C. Eric Butler R | 6,500 | Seat not up for election |
| Day | Harry Brennan R | 819 | Unopposed Harry Brennan Jr. RC |
| Edinburg | Robert Anderson R | 1,333 | Seat not up for election |
| Galway | James D. Arnold Jr. R | 3,525 | Seat not up for election |
| Greenfield | Michael Gyarmathy D | 8,004 | Unopposed Michael Gyarmathy DRC |
| Hadley | Arthur M. Wright R | 1,976 | Unopposed Eileen M. Bennett RC |
| Halfmoon | Kevin Tollisen R | 25,662 | Unopposed Kevin Tollisen RC |
| Malta | Cynthia Young D | 17,130 | Contested Cynthia Young D vs. Timothy Moseman RCO |
| Mechanicville | Thomas J. Richardson D | 5,163 | Seat not up for election |
| Milton | Scott Ostrander R | 18,800 | Contested Michele D. Juda DO vs. Scott T. Ostrander RC |
| Moreau | Jesse Fish R | 16,202 | Contested Alexander Bennett D vs. Jesse A. Fish RC |
| Northumberland | Willard H. Peck R | 5,242 | Unopposed Willard H. Peck RC |
| Providence | Susan Wemple R | 2,075 | Seat not up for election |
| Saratoga (town) | Ian Murray R | 5,808 | Contested Paul F. Murphy D vs. Ian Murray RC |
| Saratoga Springs (1) | Sarah J. Burger D | 14,245.5 | Seat not up for election |
| Saratoga Springs (2) | Minita Sanghvi D | 14,245.5 | Seat not up for election |
| Stillwater | Edward D. Kinowski R | 9,022 | Seat not up for election |
| Waterford | David Ball R | 8,208 | Unopposed David Ball RC |
| Wilton | Toni Sturm D | 17,361 | Contested Toni M. Sturm D vs. John D. McEachron RO |