Nicholas Castellano
Experienced Criminal Defense Representation Throughout the Hudson Valley
His Story
Nicholas Castellano went to the St. John's School of Law from 2015 to 2018. While at St. John's, he was awarded an academic scholarship due to his excellent performance at his prior school, Pace University. During law school, he worked in the Putnam County District Attorneys Office and the Yonkers Office of the Corporation Counsel. While at the Putnam County District Attorneys Office, Nicholas found that both enjoyment and satisfaction practicing criminal law. Since then, he has continued to pursue a career in criminal law and has specialized in that field ever since, having previously worked as a prosecutor, and currently as a criminal defense attorney.
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After graduation, Nicholas went on to work at the Queens County District Attorneys Office until 2026. During that time, Nicholas handled thousands of cases ranging from misdemeanors to homicides. Nicholas has worked on a myriad of cases including but not limited to the following: DWI, illegal drug possession, larcenies, assaults, robberies, illegal weapons possessions, shootings, stabbings, resisting arrest, stalking, harassment, sex crimes, and murders.
Nicholas also worked extensively with NYPD detectives on the crime scenes of numerous murders. Nicholas investigated these murders by observing and analyzing the crime scene and victim personally, directing investigative efforts by police on location, drafting and issuing subpoenas and search warrants for witnesses and evidence, and tracking suspects both within New York State and internationally.
While at the Queens County District Attorney's Office, Nicholas also acquired trial and hearing experience that he now uses, along with the rest of his knowledge acquired over years in the field, to help his clients defend themselves against the charges they face. His experiences in law enforcement give him an edge over them. He knows how they think and operate, because he was once one of them.
Since branching out and founding his own firm, Nicholas has expanded his practice areas. In addition to criminal law, he has worked in the following areas of law: contract disputes, administrative law, property damage claims, slander and libel claims, and employment disputes.
Nicholas is always actively seeking new areas of law to expand his practice into. He aims to continue to broaden his knowledge and expand his business. He strives to continue being a "jack of all trades" who can handle any case his clients bring to him. He encourages all potential clients to contact him about any legal issue, even if it is not something he has previously handled.
Education
St. John's University School of Law
J.D., 2018
Former Prosecutor
Queens County District Attorney's Office
2019–2026
Experience
1,000+ Criminal Cases
Dozens of Murder Cases
Why Choose Him?
Having spent years on the prosecution side of the criminal justice system, Nicholas Castellano understands how prosecutors evaluate cases, prepare for trial, and pursue criminal charges.
That experience now informs his approach to defending his clients.