2010Flipped from DemocraticFinal results
2010 election for New York Assembly District 89
New York State Assembly · New York
Bob Castelli (R) won with 50.1% of the vote, defeating Thomas M. Roach Jr. (D) by 0.3 points, a seat Democrats won last time.
Bob CastelliRepublican · winner
50.1%21,263
Thomas M. Roach Jr.Democrat
49.9%21,151
42,414 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET