Former Irondequoit Town Assessor Pleads Guilty to Disorderly Conduct

Ordered to pay over $1,400 in restitution after reaching plea deal

Published on Feb. 24, 2026

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A former Irondequoit town assessor, Anthony Costanza, has pleaded guilty to disorderly conduct and been ordered to pay $1,455.36 in restitution. Costanza previously faced allegations of official misconduct and violating town code, but the details of those allegations were unclear. As part of the plea deal, Costanza received a one-year conditional discharge and 50 hours of community service.

Why it matters

The case highlights issues around government transparency and accountability, as well as the political tensions in the Irondequoit town supervisor race where Costanza, a Republican, accused his opponent of being involved in bringing the charges against him.

The details

Costanza previously pleaded not guilty to the allegations but has now reached a plea deal with prosecutors. The restitution he must pay includes $639.20 for 2024 school taxes, $652.97 for 2025 school taxes, and $163.19 for 2025 town and county taxes. Costanza claimed he was simply correcting errors in property assessments, including his own, as the sole town assessor, and followed proper procedures.

  • Costanza pleaded not guilty to the allegations on July 8, 2025.
  • Costanza reached the guilty plea on February 11, 2026.

The players

Anthony Costanza

A former Irondequoit town assessor who pleaded guilty to disorderly conduct and was ordered to pay over $1,400 in restitution.

John Perticone

The Democratic candidate who defeated Costanza, a Republican, in the 2025 Irondequoit town supervisor election. Perticone had accused Costanza of potential improper actions as a town assessor.

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What they’re saying

“As the sole town assessor, I corrected thousands of errors to property assessments, including my own. I was the only official authorized by New York state real property law to make such corrections.”

— Anthony Costanza, Former Irondequoit Town Assessor (WHAM)

“I was doing my job as a town councilman in following up on potential improper actions by an appointed civil servant.”

— John Perticone, Irondequoit Town Councilman (WHAM)

What’s next

The judge will decide on Tuesday whether to allow Costanza to be released on bail pending sentencing.

The takeaway

This case highlights the importance of government transparency and accountability, as well as the need for clear and consistent procedures when it comes to property assessments and the actions of public officials. It also underscores the political tensions in Irondequoit's town supervisor race.