How New York prosecutes Assault and Domestic Assault: the similarities and differences. Degrees, Penalties, and Defenses.

Assault is one of the most commonly charged criminal offenses in Nassau County. A bar argument that turns physical. A family dispute that escalates. A misunderstanding at a parking lot. It takes only a few seconds for an altercation to lead to handcuffs, a trip to the precinct, and criminal charges that can alter the course of your life. Whether you’re charged with a misdemeanor or a felony, the consequences are serious. Here’s what every Long Island resident needs to understand about assault charges under the New York Penal Law.

How New York Defines Assault

Under New York law, assault is broadly defined as intentionally, recklessly, or negligently causing physical injury to another person. But not all assault charges are created equal. The severity of the charge depends on three key factors: the degree of injury inflicted, whether a weapon or dangerous instrument was used, and the intent behind the act. New York divides assault into three degrees, each carrying vastly different penalties.

Assault in the Third Degree (Penal Law §120.00): Class A Misdemeanor

Third-degree assault is the most common assault charge in Nassau County and the one most people face after a street fight, a domestic incident, or a confrontation that resulted in minor injuries. It is a Class A misdemeanor — the highest level of misdemeanor in New York.

You can be charged with Assault 3rd if the prosecution can prove any of the following:

Intent to cause physical injury. You deliberately tried to hurt someone, and you did. “Physical injury” under New York law means impairment of physical condition or substantial pain. It does not require broken bones or hospitalization — a black eye, a bruised rib, or a split lip can qualify.

Recklessly causing physical injury. You didn’t intend to hurt anyone, but you acted with such disregard for the risk that injury resulted. For example, throwing a heavy object during an argument without aiming at anyone, but striking someone.

Criminal negligence with a deadly weapon or dangerous instrument. You caused physical injury through criminal negligence while using a weapon or instrument capable of causing serious harm.

The penalties for Assault in the Third Degree include:

Up to 1 year in jail.

Up to 3 years of probation. A probation violation during this period can result in incarceration.

A fine of up to $1,000.

A permanent criminal record. Even a misdemeanor assault conviction shows up on background checks and can affect your employment, housing, and professional licenses. We discuss this in detail in our post on whether your job will find out about your arrest.

In Nassau County, Assault 3rd is typically handled through a Desk Appearance Ticket (DAT), which means you are released from the precinct and given a date to appear at the courthouse at 99 Main Street in Hempstead for arraignment. However, in domestic situations, the police often make an arrest on the spot, and the case proceeds differently — more on that below.

Assault in the Second Degree (Penal Law §120.05): Class D Felony

Assault in the Second Degree is a Class D violent felony — and the word “violent” matters enormously. Under New York law, violent felony offenses carry mandatory minimum sentences and cannot be sealed from your criminal record. A conviction for Assault 2nd will follow you permanently.

You can be charged with Assault 2nd if the prosecution alleges any of the following:

Intent to cause serious physical injury, and you did. “Serious physical injury” is a higher bar than “physical injury.” It means injury that creates a substantial risk of death, causes long-term disfigurement, or results in the impairment or loss of function of a bodily organ. Think broken jaw, orbital fracture, deep lacerations requiring stitches, or injuries requiring surgery.

Intent to cause physical injury using a deadly weapon or dangerous instrument. Even if the resulting injury was relatively minor, the use of a weapon elevates the charge. A “dangerous instrument” under New York law is any object that, under the circumstances, is capable of causing serious physical injury or death — this can include a bottle, a chair, a car, or even a shoe, depending on how it was used.

Recklessly causing serious physical injury with a deadly weapon or dangerous instrument.

Intentionally causing physical injury to certain protected classes, including police officers, firefighters, EMTs, nurses, MTA employees, and other public servants while they are performing their duties.

The penalties for Assault in the Second Degree include:

Up to 7 years in state prison.

A mandatory minimum of 2 years in state prison for a first-time violent felony offender.

Up to 5 years of post-release supervision.

A permanent, non-sealable criminal record. Because Assault 2nd is classified as a violent felony, it is ineligible for record sealing under both CPL §160.59 and the Clean Slate Act.

In Nassau County, felony assault cases are arraigned in Hempstead and then presented to a Grand Jury. If indicted, the case is transferred to Nassau County Court in Mineola, where more senior judges and prosecutors handle the proceedings.

Assault in the First Degree (Penal Law §120.10): Class B Felony

First-degree assault is the most serious assault charge in New York, short of attempted murder. It is a Class B violent felony and carries devastating penalties.

You can be charged with Assault 1st if the prosecution alleges:

Intent to cause serious physical injury using a deadly weapon or dangerous instrument, and serious physical injury resulted.

Intent to disfigure someone seriously and permanently, or to destroy, amputate, or disable a body part, and the injury occurred.

Acting with “depraved indifference to human life” and recklessly causing serious physical injury with a deadly weapon.

The penalties for Assault in the First Degree include:

Up to 25 years in state prison.

A mandatory minimum of 5 years in state prison for a first-time violent felony offender.

Up to 5 years of post-release supervision.

A permanent, non-sealable criminal record and all of the lifelong consequences that come with a violent felony conviction.

Assault and Domestic Violence: A Special Category

A significant percentage of assault charges in Nassau County arise from domestic violence situations. When the alleged victim and the accused are family members, household members, or people in a current do not have discretion to issue a warning or mediate. We explain this in detail in our post on what happens after a domestic violence arrest.

Orders of protection. After a domestic violence arrest, the court will almost certainly issue an order of protection against the accused. A “full” order of protection means you cannot contact the alleged victim at all — no calls, no texts, no going to the shared home. Violating an order of protection is a separate crime (Criminal Contempt) that can escalate to a felony.

The victim cannot “drop” the charges. Once the arrest is made, the decision to prosecute rests with the Nassau County District Attorney, not with the alleged victim. Even if the accuser recants or asks the DA to dismiss the case, the prosecution can — and often does — proceed. We address this common misconception in our post on whether domestic violence charges can be dropped.

Firearm surrender. Under both federal and New York State law, a person subject to a domestic violence order of protection must surrender all firearms. A domestic assault conviction also permanently prohibits you from owning or possessing firearms under federal law.

Defenses to Assault Charges in New York

Being charged with assault does not mean you will be convicted. An experienced Nassau County assault defense lawyer will examine every aspect of the prosecution’s case to build the strongest possible defense. Common defenses include:

Self-defense (Penal Law §35.15). New York law allows you to use reasonable physical force to defend yourself if you reasonably believe that another person is about to use physical force against you. The force you use must be proportional to the threat. Deadly physical force is only justified if you reasonably believe the attacker is using or about to use deadly physical force against you, and you cannot safely retreat (with an exception for your own home under the “castle doctrine”).

Defense of others. You may use reasonable force to protect a third person under the same circumstances that would justify self-defense.

Lack of intent. For charges that require intentional conduct (like Assault 3rd under the intent theory), the prosecution must prove that you deliberately intended to cause injury. Accidental contact, reflexive movements, or mutual combat situations may undermine the intent element.

Misidentification. In chaotic situations involving multiple people — a bar brawl, a party that got out of hand, a street altercation — witnesses frequently identify the wrong person. If you’ve been accused of a crime based on weak or no evidence, misidentification is a powerful defense.

Challenging the severity of injury. The line between “physical injury” and “serious physical injury” is often the difference between a misdemeanor and a felony. Medical records, expert testimony, and photographic evidence can all be used to argue that the injury does not meet the legal threshold for the charged offense. Getting a charge reduced from Assault 2nd (felony) to Assault 3rd (misdemeanor) can mean the difference between state prison and no jail time at all.

Challenging the evidence. Did the police have probable cause to arrest you? Were witnesses properly interviewed? Is there bodycam footage that contradicts the alleged victim’s version of events? In many assault cases, the physical evidence tells a different story than the one the prosecution is trying to sell.

Assault vs. Harassment: Know the Difference

Many people confuse assault with harassment. In New York, Harassment in the Second Degree (PL §240.26) is a violation — not even a crime — and covers conduct like shoving, slapping, or making unwanted physical contact with the intent to annoy or alarm. The critical distinction is injury: if the alleged victim suffered “physical injury” (impairment of physical condition or substantial pain), the charge is assault. If there was physical contact but no injury, the charge may be harassment. An experienced attorney can sometimes argue for a reduction from assault to harassment, which dramatically reduces the consequences.

Why Nassau County Assault Cases Require Local Expertise

The way assault cases are prosecuted varies significantly from county to county in New York. In Nassau County’s criminal court system, the DA’s office has dedicated prosecution parts and strict policies that limit plea bargaining. A generic criminal defense attorney from outside the county may not understand the local culture, the individual ADAs, or the judges’ preferences. These details matter when negotiating a plea, arguing a motion, or preparing for trial.

For felony assault cases, the stakes are even higher. The case will move from the Hempstead courthouse to the Nassau County Court in Mineola after indictment, involving a different set of judges and more experienced prosecutors. You need a lawyer who knows both buildings.

Contact Hochhauser Criminal & DWI Defense Today

If you or a loved one has been charged with assault in Nassau County, you need an attorney who understands exactly what you’re up against. Richard Hochhauser is a former Nassau County prosecutor who spent years on the other side of the courtroom. He knows how the DA’s office builds assault cases, and he knows how to take them apart. His practice focuses exclusively on criminal defense and DWI defense across Nassau County, Suffolk County, and all of Long Island.

Whether you’re facing a misdemeanor Assault 3rd or a violent felony charge, we will fight aggressively to protect your rights and your future. Contact us today for a free, confidential consultation. Call or text (516) 939-1529. Our office is located directly across from the Nassau County courthouse at 164 Jackson Street in Hempstead.