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Can You Sue a Building Owner After Being Assaulted on the Property?
Yes, where the owner failed to take minimal precautions against a criminal act it should have seen coming.
New York landlords have a common law duty to take minimal precautions to protect tenants from foreseeable harm, and that includes harm caused by third parties.
Foreseeable does not mean the owner predicted this attack. It means the building had a history that made an attack like this one a known risk, and the entry the attacker used was one the owner was supposed to keep secure.
The requirement people find surprising is the second one. New York asks the injured person to show the attacker was an intruder who got in through a negligently maintained entrance, rather than a resident or an invited guest.
That sounds impossible when the attacker was never caught. It is not. New York's highest court has held it can be shown by circumstantial evidence, and that the standard on a motion is lower than it is at trial.
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New York Negligent Security Claims at a Glance
- Landlords owe a duty to take minimal precautions against foreseeable criminal acts
- Foreseeability is built from prior crime at or near the property
- The plaintiff must show the assailant was an intruder who used a negligently maintained entrance
- Circumstantial evidence can satisfy that requirement
- Multiple Dwelling Law 50-a requires self-locking doors and, in buildings of eight or more units, an intercom
- Camera footage, repair records, and police reports are the core evidence and they expire
- Three years to sue a private owner; 90 days to serve notice if the landlord is NYCHA

The Minimal Precautions Duty New York Landlords Owe
The rule comes from a line of New York Court of Appeals decisions, and it is narrower than people expect and broader than landlords argue.
A landowner has a duty to take minimal security precautions to protect people on the property against foreseeable criminal conduct by third parties. Minimal is doing real work in that sentence. New York does not require a doorman, a guard, or a camera system in every building. It requires that the basic protections a building already has, and the ones the law separately mandates, actually function.
What that duty covers in practice:
- Working locks on entrance doors. Front, rear, side, basement, and roof.
- Doors that close and latch. A self-closing door held open by a broken closer, a wedge, or a missing plate is an unlocked door.
- A functioning intercom or buzzer system. Where the law requires one, letting it fail is a violation as well as a breach.
- Adequate lighting. Lobbies, stairwells, hallways, courtyards, parking areas, and paths of approach.
- Security measures the owner chose to provide. An owner who installs cameras or hires guards has assumed a duty to maintain and operate them, and a camera system that records nothing is frequently worse than none at all.
The duty runs to tenants, their guests, employees, delivery workers, and anyone else lawfully on the property. It is not limited to leaseholders.
Foreseeability: What Prior Crime Has to Show
A landlord is not an insurer against crime. The duty attaches where criminal conduct was reasonably foreseeable, and foreseeability is proved from history rather than argued from the fact that the attack happened. It is the security analogue of constructive notice in an ordinary premises case, except that what the owner should have known concerns a pattern of conduct rather than a physical defect.
The evidence that builds it:
- Prior crimes in the building. Assaults, robberies, burglaries, and trespass incidents, whether or not anyone was arrested.
- Prior crimes in the immediate area. Precinct-level NYPD complaint data for the surrounding blocks, which is public and which owners routinely claim not to have known.
- Tenant complaints. Written complaints to management about broken locks, non-residents in the stairwell, drug activity, or people sleeping in the vestibule.
- The building's own response. Memos, notices posted in the lobby, security assessments, and correspondence with a security vendor, all of which establish that the owner recognized a problem.
- Prior police responses to the address. Calls for service that show a pattern regardless of whether charges followed.
- Insurance and lender requirements. Security conditions imposed by a carrier or a lender that the owner did not meet.
The defense in nearly every one of these cases is that the attack was unforeseeable and unprecedented. That argument is answered with records, not with testimony, which is why the complaint history and the precinct data get pulled early rather than in response to a motion.
The Intruder Requirement, and How Circumstantial Evidence Meets It
"You do not have to name the person who attacked you. You have to show the evidence makes it more likely than not that he did not belong there."
This is the element that decides the most New York negligent security cases, and it is worth understanding precisely.
The Court of Appeals held that a tenant must show the assailant was an intruder who gained access to the premises through a negligently maintained entrance, rather than a resident or an invited guest.[1] The logic is causation: if the attacker lived in the building or was buzzed in by someone, a broken lock did not cause the harm.
The Court then made the requirement workable. A plaintiff satisfies proximate cause at trial where the evidence renders it more likely or more reasonable than not that the assailant was an intruder who gained access through a negligently maintained entrance, and that can be shown by circumstantial evidence. A victim does not have to identify the attacker. And on a motion for summary judgment, the plaintiff need only raise a triable issue of fact, which is a lower threshold than the preponderance standard that applies at trial.
What actually satisfies it:
- Testimony that the plaintiff knew the residents. In a small building, a tenant who knows every neighbor can establish the attacker was not one of them.
- The condition of the entrances. Broken front, rear, and roof door locks and a dead intercom, documented at the time, showing the building was open.
- The attacker's conduct. In the companion case decided the same day, an assailant who entered through a broken rear door and made no effort to conceal his identity supported the inference that he was an intruder.
- Camera footage of the entry. The single most valuable piece of evidence in this category, and the one most likely to be gone.
- Police investigative records. Including canvass results and any suspect identification.
- The absence of any evidence of a buzz-in. Intercom and access control logs where a system exists.
Every item on that list is time sensitive. Building camera systems in New York routinely overwrite within days to a few weeks, and a written preservation demand has to go out before anything else happens in the case.
Multiple Dwelling Law § 50-a: Self-Locking Doors and Intercoms
New York does not leave building security entirely to the common law. The Multiple Dwelling Law imposes specific equipment requirements, and a violation of a state statute carries more weight than a violation of a local code provision.
Section 50-a requires automatic self-closing and self-locking doors at the entrances of covered class A multiple dwellings, kept locked at all times except when an attendant is on duty. Roof entrances require self-closing doors with interior bolts or locks. And in buildings with eight or more apartments, the statute requires a device for voice communication between the occupant of each apartment and a person outside the entrance door, together with the ability to unlock the main entrance remotely.[2]
The application depends on when the building was erected or converted, with different provisions for buildings after January 1, 1968 and buildings before that date where tenants consent.
In a case, this converts a general negligence argument into a comparison against a written requirement. A building of eight or more units with a dead intercom and a front door that has not latched in months is not in a gray area, and the repair history usually shows how long it had been that way.
The Security Failures That Produce These Claims
The same handful of failures appear over and over, and each has its own documentary trail.
Broken or Propped Entry Doors
The most common single failure. A front door with a failed closer, a rear or basement door with a broken lock, a roof door left unsecured, or a vestibule door propped for deliveries and never re-secured. Repair records and tenant complaints usually establish that the condition had persisted for weeks or months.
Dead Intercoms and Buzzer Systems
A system that has stopped working, or one wired so the front door releases for any apartment. Where § 50-a applies, the failure is both a breach and a statutory violation.
Lighting That Was Out
Lobbies, stairwells, hallways, courtyards, garages, and parking lots. Lighting complaints are among the most frequently reported and least frequently addressed conditions in residential buildings, which makes the complaint history powerful.
Cameras That Record Nothing
Cameras installed and never maintained, systems with no recording media, dome housings with no camera inside, and footage retention set so short that nothing survives an incident. An owner who advertised a camera system to tenants and let it fail has a harder position than one that never had cameras.
Absent, Untrained, or Understaffed Security
A guard post left unmanned, a doorman shift cut, patrols that stopped, or personnel with no training and no incident reporting. Where a building held itself out as secured, discontinuing that protection without notice is its own theory.
Access control records, work orders, vendor contracts, and management correspondence establish all five, and none of it is available without a request.
In the courtroom we are not asking a jury to believe the owner wanted this to happen. We are showing them how many times the owner was told and how long they had. Buildings do not get unsafe overnight. A closer fails, somebody props the door, a tenant complains, nothing happens, and the pattern repeats until the night it costs somebody everything. Every step in that sequence has a date on it.
Where These Assaults Happen Across New York City
Residential buildings produce the most of these claims, but they are not the only setting.
Apartment buildings and walk-ups, where the entry, the stairwell, and the elevator are the recurring locations. Public housing developments, where the same failures carry a different claims procedure. Parking garages and lots, where lighting, sight lines, attendant staffing, and pedestrian access points decide foreseeability. Hotels, where key control and corridor access come into play. Bars, clubs, and event venues, where crowd management, capacity, and the conduct of security staff are usually the issues. Retail stores, commercial lobbies, university housing, hospitals, and construction sites and vacant buildings left open.
Each setting has its own standard practices and its own documents. A garage case turns on lighting surveys and attendant logs. A nightclub case turns on incident reports and staffing levels. A residential case turns on the door, the intercom, and the complaint history. What they share is that the failure was usually reported by someone before it hurt anyone.
Suing NYCHA or Another Public Landlord After an Assault
The duty a public housing authority owes is the same duty a private landlord owes. The Court of Appeals decided a private landlord case and a New York City Housing Authority case together, holding in the Housing Authority case that an assault by someone who entered through a broken rear door supported the inference of intruder status.
Everything procedural is different. A claim against the Housing Authority requires a notice of claim served within 90 days, a 30-day waiting period after the claim is presented under Public Housing Law § 157(1), a sworn examination if the authority demands one, and a lawsuit commenced within one year and 90 days.
That compressed schedule lands on someone recovering from a violent assault, which is precisely why so many of these claims are never brought. The deadline does not adjust for what the person is going through.
Our page on falls and injuries in NYCHA buildings sets out the full sequence, and the same 90-day requirement applies to assaults at other public properties.
The Criminal Case and the Civil Case Answer Different Questions
Survivors often assume that if nobody was arrested, or if a prosecution failed, there is no civil case. The two proceedings are separate in almost every way that matters.
- Different defendant. The criminal case is about the attacker. The civil case is about the property owner who left the door open.
- Different standard of proof. Criminal conviction requires proof beyond a reasonable doubt. A civil claim requires a preponderance of the evidence.
- Different outcome. A criminal court can order restitution, but it does not compensate for future medical care, lost earning capacity, or psychological injury.
- Different timeline. The civil deadline runs regardless of what the criminal case is doing, and waiting for a prosecution to conclude has cost people their claims.
- Unidentified attacker. The civil case can proceed even where the attacker was never caught, because the defendant is the owner and the intruder question can be proved circumstantially.
New York's Office of Victim Services also administers a program that can help with immediate expenses including medical costs and counseling, and applying for it does not affect a civil claim. It is worth doing early, and it is separate from anything a lawyer is pursuing.
Injuries and Harm a Negligent Security Claim Addresses
These claims cover the full consequence of a violent attack, and the physical injuries are frequently not the part that lasts longest.
- Traumatic brain injury. From blows to the head, falls during an attack, and strangulation with loss of consciousness. Symptoms persist in many cases where imaging reads normal.
- Gunshot and stab wounds. With organ damage, nerve injury, retained fragments, repeated surgeries, and permanent scarring.
- Fractures and orthopedic injury. Facial and orbital fractures, jaw injuries, and defensive fractures of the hands and forearms.
- Sexual assault injuries. Physical, gynecological, and psychological, with medical follow-up that continues long after the acute care.
- Post-traumatic stress disorder. Documented, treatable, and compensable. In many of these cases it is the dominant long-term injury and it is what makes a person unable to live in their own apartment.
- Depression, anxiety, and panic disorder. Along with the loss of the ability to feel safe in ordinary places.
- Wrongful death. Where an assault proves fatal, with the estate's claim and a separate survival claim for conscious pain and suffering before death.
Psychological injury in these cases needs to be documented by treatment rather than described in a demand letter. Getting into care early serves the person first and the claim second, and both matter.
What a Negligent Security Claim Can Recover in New York
New York places no cap on compensatory damages, and in an assault case the recoverable elements extend well past the hospital bill.
Past and future medical expenses, including surgery, reconstruction, and long-term psychiatric and psychological treatment. Lost earnings and lost earning capacity, which in post-traumatic stress cases can be substantial even where the physical injuries healed. Pain and suffering, covering the assault itself, the fear during it, and the lasting effects. Emotional distress and psychological injury as their own element. Disfigurement and scarring. Relocation and security costs where a person cannot safely return home. Loss of enjoyment of life. And loss of consortium for a spouse.
Punitive damages are available in New York where conduct goes beyond ordinary negligence. An owner who was told repeatedly that the front door lock was broken, who had prior assaults in the building, and who did nothing for months is the fact pattern that argument is built on.
Where an assault was fatal, the estate brings a wrongful death claim measured by pecuniary loss under EPTL § 5-4.3 and a separate survival claim for the conscious pain and suffering before death. Our page on the survival claim that belongs to the estate explains how the second claim is proved.
How These Cases Are Handled, and What the First Conversation Is Like
These are private cases about the worst thing that has happened to someone, and they are handled that way. The first conversation is confidential and there is no obligation attached to it.
Don Worley has been admitted to practice in New York since 2005 and has handled personal injury cases for more than 20 years. Our New York office at 305 Broadway sits in the Manhattan courthouse district, and our attorneys have been recognized by Best Lawyers in America, Super Lawyers, the Million Dollar Advocates Forum, and the National Trial Lawyers.
What that means in a negligent security case is concrete. Preservation demands for camera footage and access control logs go out immediately, because those records are measured in days. The building's complaint and repair history and the precinct crime data get pulled to establish foreseeability before the owner argues the attack was unprecedented. Where the landlord is NYCHA or another public entity, the 90-day notice is protected while everything else is investigated. And psychological treatment is treated as a central part of the case rather than an afterthought.
Across more than 40,000 cases the firm has recovered over $100 million for injured people, with a 98% recovery rate. Consultations are free, available 24 hours a day, and you owe nothing unless we recover for you.
New York Negligent Security FAQ
- Can I sue my landlord if I was attacked in my building?
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Where the attack was foreseeable and the building's security failed, yes. New York landlords owe a duty to take minimal precautions to protect people on the property from foreseeable criminal acts by third parties. The claim usually rests on a broken entry door, a dead intercom, lighting that was out, or security measures the owner provided and then let fail, combined with a history showing the risk was known.
- What if the attacker was never caught?
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The case can still proceed. The defendant is the property owner, not the attacker. New York does require proof that the assailant was an intruder who gained access through a negligently maintained entrance rather than a resident or an invited guest, but the Court of Appeals has held that circumstantial evidence can satisfy that requirement and that a victim need not identify the attacker. On a summary judgment motion the plaintiff need only raise a triable issue of fact.
- How do you prove an assault was foreseeable?
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From records. Prior crimes in the building and in the immediate area, NYPD complaint data for the precinct, tenant complaints to management about broken locks or trespassers, prior police responses to the address, the owner's own security assessments and correspondence, and any security conditions imposed by an insurer or lender. Foreseeability does not require a prior identical attack, and it is established by pattern rather than by prediction.
- Does New York require buildings to have locks and intercoms?
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Multiple Dwelling Law § 50-a requires automatic self-closing and self-locking entrance doors in covered class A multiple dwellings, kept locked except when an attendant is on duty, and self-closing roof doors with interior bolts or locks. In buildings with eight or more apartments it also requires a voice communication device between each apartment and a person outside the entrance, with the ability to release the main entrance door remotely. Application depends on when the building was erected or converted.
- What evidence should be preserved right away?
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Camera footage above everything else, because building systems commonly overwrite within days to a few weeks. Alongside it: access control and intercom logs, work orders and repair records for the doors, locks, intercom, and lighting, tenant complaint files, the police report and investigative records, photographs of the entrance and lighting conditions taken at the same time of day, and the names of any witnesses. A written preservation demand should go to the owner and manager immediately.
- How long do I have to bring a negligent security claim in New York?
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Three years from the date of the assault against a private property owner under CPLR § 214. If the property is a New York City Housing Authority development or another public entity, a notice of claim is required within 90 days, at least 30 days must pass after the claim is presented before suit under Public Housing Law § 157(1), and the action must be commenced within one year and 90 days. A pending criminal case does not pause any of those deadlines.
Assaulted in a Building That Was Supposed to Be Secure? The Footage Is Already Being Overwritten.
Camera systems in New York buildings cycle in days, and the entry that proves the case goes with them.
People who live, work, and visit in this city are entitled to doors that lock, intercoms that work, and lights that are on. Survivors tell us it feels like they are the only person this has happened to in that building. They almost never are, and showing that is Lawsuit Legal's work. The footage that shows it does not last long, which is the only reason to move quickly.
We help tenants, guests, workers, students, and families who lost someone to a preventable attack, with the legal help they need to hold a property owner answerable. Call (888) 713-6653 or contact us online for a free and confidential review of your claim.
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