New York held special elections on November 7, 2017, deciding 4 legislative seats.
Legislature
- Assembly (150 seats): 107 D, 43 R before the election, 103 D, 42 R, 5 other or vacant after; control stayed with Democrats.
- Senate (63 seats): 32 D, 31 R before the election, 32 D, 31 R after; control stayed with a bipartisan coalition.
Legislative races
Ballot measures
| Measure | Description | Result |
|---|
| Proposal 1 | Holds a constitutional convention | Failed (16.97% yes) |
| Proposal 2 | Allows judges to revoke the state pension of a public officer convicted of a felony related to officer's duties | Passed (73.15% yes) |
| Proposal 3 | Creates a 250-acre land bank to provide forest preserve land for local projects | Passed (52.31% yes) |