Blog > Personal injuries > Understanding the 90-Day Notice of Claim Deadline in New York City Injury CasesUnderstanding the 90-Day Notice of Claim Deadline in New York City Injury CasesPosted by Greenberg And Stein Legal Team on Mar 12, 2026If you have been injured in New York City, your legal rights may be determined not only by what occurred but also by who was at fault. When a government agency, such as the City of New York, becomes involved, the rules change substantially. One of the most important (and frequently misunderstood) criteria is the 90-day Notice of Claim deadline.Unlike standard personal injury cases, where you typically have years to file a lawsuit, claims against public entities require quick action. Missing this deadline could compromise your chance to obtain full compensation. For injured people who are already dealing with medical bills, lost pay, and recovery, adding another administrative burden can be overwhelming.In this blog we will go over exactly what a Notice of Claim is, when the 90-day rule applies, and what your options are if you’re running out of time.What Is a Notice of Claim in New York City Personal Injury Cases?A Notice of Claim is a formal legal document that must be filed before suing a government entity in New York. It serves as an official notification that you intend to pursue a claim for damages due to negligence or wrongdoing. This requirement exists under New York law to give public entities an opportunity to:Investigate the claim promptlyPreserve evidence while it’s still freshEvaluate potential liabilityConsider early settlement before litigationKey Components of a Notice of ClaimA properly prepared Notice of Claim must include detailed and specific information, such as:Your name and addressThe nature of the claim (what happened and why the city is responsible)The date, time, and location of the incidentA description of your injuries and damagesThis procedure is not a simple formality. Any inaccuracies or omissions can lead to delays—or worse, dismissal of your claim.Why It’s So ImportantThe Notice of Claim is not the actual lawsuit; rather, it is a necessary prerequisite. You cannot initiate a personal injury lawsuit against a government agency unless this notice is properly filed and served within the specified timeframe.After filing, the government body can request a §50-h hearing, which may compel you to answer questions under oath about the incident before proceeding with the lawsuit.In practical terms, the Notice of Claim serves as both a procedural gatekeeper and an important early stage in your litigation strategy.When Does the 90-Day Deadline Apply in New York City?The 90-day Notice of Claim period applies anytime a government institution or public authority is identified as a potential defendant in a personal injury litigation. This criteria is not based on the sort of injury, but rather on the legal standing of the party you wish to hold accountable. This includes situations where:The responsible party is a city, state, or local government bodyThe entity is a public authority or quasi-governmental organizationThe claim involves employees or agents acting within the scope of their public employmentIt’s also important to note that this obligation applies whether the government agency is the sole defendant or one of several parties. Even if a private party shares responsibility for the injury, the Notice of Claim must still be filed to preserve your rights against the public entity.When Does the 90-Day Clock Start Running After an Injury?In most circumstances, the 90-day clock starts on the day of the accident or injury. However, there are certain critical details that can influence this timing.Standard RuleThe countdown starts on the day the injury occurs.Exceptions and Special CircumstancesWrongful death cases: The clock typically starts on the date of death—not the date of the underlying incident.Minors (children under 18): While the statute of limitations may be extended, the Notice of Claim requirement still applies, and courts often require timely filing or a motion for a late notice.Delayed discovery of injury: In rare cases, where the injury was not immediately discoverable, the timeline may be adjusted—but this scenario is highly fact-specific and often contested.Continuous treatment doctrine: In certain medical malpractice cases involving public hospitals, the clock may be influenced by ongoing treatment.You should assume that the time starts ticking immediately following the incident unless a knowledgeable attorney confirms otherwise. Waiting to “see how things develop” can be a costly mistake.What Happens If You Miss the 90-Day Notice of Claim Deadline?Missing the 90-day Notice of Claim deadline can have substantial and often irreversible consequences for your case. Unlike standard personal injury lawsuits, where courts may provide some flexibility, claims involving government institutions must adhere to specific legislative standards. If you fail to file the Notice of Claim within the timeframe specified, you may lose your legal right to seek compensation.Often, the failure to comply with this deadline results in an automatic procedural barrier. Even if your injuries are serious and liability is evident, the court may reject your case only because the Notice of Claim was not submitted in a timely manner. This implies that the merits of your claim may never be considered.The bottom line: timeliness is not optional in these cases—it is foundational.Can You File a Late Notice of Claim in New York City?Yes, but approval is never assured. If you miss the 90-day period, you can submit a request with the court asking for permission to serve a late Notice of Claim. The court will consider several issues while considering whether to accept your motion.Factors Courts ConsiderWhether the public entity had actual notice of the incident: For example, if the city created an accident report, this may support your request.Reason for the delay: Acceptable reasons might include serious medical incapacity or other extraordinary circumstances.Whether the delay prejudices the defendant: If the delay makes it harder for the city to investigate, your request may be denied.Merits of the underlying claim: Courts may consider whether your claim appears valid.Even when requesting permission to file late, you must comply with the applicable statute of limitations. Typically, for most personal injury claims against municipal entities, the statute of limitations is one year and 90 days.Late filings are possible, but they present significant challenges. The longer you delay, the more difficult it is to persuade a court to allow your claim to proceed.Common New York City Injury Cases That Require a 90-Day Notice of ClaimAccidents involving city-owned property: Slip and fall accidents on sidewalks, parks, or public buildings maintained by the city often trigger the Notice of Claim requirement.Public transportation accidents: Injuries involving buses or subways operated by public authorities (such as the MTA) require compliance with the 90-day rule.Sanitation or maintenance-related incidents: Accidents caused by garbage trucks, street cleaning vehicles, or poorly maintained public infrastructure fall under municipal liability.Public school injuries: If a child is injured at a public school, the Department of Education (a government entity) is involved, requiring a Notice of Claim.Police or fire department negligence: Claims involving misconduct, negligence, or wrongful acts by NYPD or FDNY personnel also require timely notice.Housing authority cases: Injuries occurring in New York City Housing Authority (NYCHA) properties often fall under this rule.Many people might not know they are dealing with a government agency until it is too late. For example, a sidewalk defect may appear to be a private matter, but it could actually be the city’s obligation. Early identification of the appropriate defendant is critical.Why Speaking With a New York City Personal Injury Lawyer Immediately Can Protect Your RightsGiven the tight deadlines and procedural complexity, timing is critical in these situations. Consulting with a personal injury lawyer as soon as possible is not only recommended; it could be the difference between a solid claim and a missed opportunity.If you believe a government entity may be involved in your injury, speaking with an experienced New York City personal injury lawyer at Greenberg & Stein P.C. as soon as possible can help ensure your rights are protected and all deadlines are met. Taking action now can make all the difference in preserving your claim. Call us at 212-681-2535 to schedule a free consultation to review your case.Tags Greenberg & Stein, new york personal injury attorneysShare