2010Final results
2010 election for New York Assembly District 99
New York State Assembly · New York
Stephen M. Katz (R) won with 48.6% of the vote, defeating Brendan J. Tully (D) by 10.1 points.
Stephen M. KatzRepublican · winner
48.6%20,709
Brendan J. TullyDemocrat
38.5%16,397
Jim BorkowskiConservative
12.9%5,514
42,622 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