Robert Gregory Costello

27 years of practiceLicensed in New YorkNassau Community College; Criminal Justice Dept, Garden City

27 years in practice
First admitted in 1999
  1. 1999 Admitted, New York

Overview

Robert Gregory Costello is an attorney admitted in New York (since 1999), based in Garden City, NY.

This profile is built from public bar records and shows only what those records contain. Robert has not written or endorsed anything on this page.

Jurisdictions admitted

JurisdictionAdmittedBar numberStatus
New York1999#2993483Active

Education

  • St. John's University School of LawLaw school, per the bar record

Contact and offices

Nassau Community College; Criminal Justice Dept

Garden City, NY

The address and number above come from the attorney's public bar registration, which can lag a recent move. Confirm before visiting.

Sources for this profile: the New York State attorney registration file. License status can change; check the bar's own record for the current status before hiring. Updated July 12, 2026.