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New York’s dog bite law is unusual. It is not a strict liability state for full damages — unlike most U.S. jurisdictions, where the dog owner is automatically responsible for everything the bite causes. In New York, the owner is automatically responsible only for medical bills. To recover for pain and suffering, scarring, lost wages, psychological trauma, or any other category of damages, you generally have to prove the owner knew or should have known the dog was dangerous.
That doctrinal split is what makes a serious dog bite case in New York different from the same case anywhere else. The work of the case is the work of proving what the owner knew.
New York’s dog bite law is unusual. It is not a strict liability state for full damages — unlike most U.S. jurisdictions, where the dog owner is automatically responsible for everything the bite causes. In New York, the owner is automatically responsible only for medical bills. To recover for pain and suffering, scarring, lost wages, psychological trauma, or any other category of damages, you generally have to prove the owner knew or should have known the dog was dangerous.
That doctrinal split is what makes a serious dog bite case in New York different from the same case anywhere else. The work of the case is the work of proving what the owner knew.
Under New York Agriculture and Markets Law §123, the owner of a dog that bites is strictly liable for the injured person’s medical and veterinary expenses, regardless of whether the dog had ever shown aggression before. This is the only strict-liability piece of New York dog bite law. It applies automatically. It does not require proof of negligence or prior knowledge.
The practical effect is that the medical bills typically get covered. The pain and suffering does not — unless the case proves the second framework below.
To recover damages beyond medical bills — pain and suffering, lost wages, scarring, psychological injury, future care — New York requires proof that the owner knew or should have known of the dog’s “vicious propensities.” This is the rule established in Petrone v. Fernandez, 12 N.Y.3d 546 (2009), and reaffirmed in subsequent appellate decisions.
A vicious propensity is the dog’s tendency to do the kind of act that caused the injury. It does not require a prior bite. Evidence that supports vicious propensity includes:
The case turns on what the record shows about what the owner knew. Witness statements from neighbors, prior complaint records, and the dog’s veterinary file all matter.
New York City Health Code §161.05 requires dogs to be leashed in public places, with a leash of no more than six feet. Violation of this provision is not strict liability for the injury, but it is admissible as evidence of negligence — and a leash violation at the time of the bite often supports the vicious-propensity case.
If the dog was off-leash in violation of §161.05 and bit you, the leash violation goes to negligence. If the dog was leashed but the owner knew it was aggressive and brought it into a crowded space anyway, the conduct goes to vicious propensity. Both routes can support recovery; they get built differently.
In some cases, the dog’s owner is not the only potentially-responsible party. A landlord can be liable under New York law if they knew that a tenant kept a dangerous dog on the premises and had the ability to remove the dog from the property but failed to do so. This is the Strunk v. Zoltanski line of authority, 62 N.Y.2d 572 (1984).
Landlord liability is most common in:
Building this theory requires lease records, complaint logs, building management records, and tenant statements.
Bites from a neighbor’s dog in a shared building hallway or common area. The owner is the first defendant; the landlord may be a second defendant where prior complaints exist.
Bites from off-leash dogs in NYC parks. Often involves §161.05 violation; sometimes involves dog walkers managing multiple dogs.
Bites from dogs that escaped a property. Fence defects, gate failures, and owner negligence in containing the dog.
Bites at private homes during visits. Often the most contested cases on vicious-propensity proof, since the owner controls all the evidence about the dog’s history.
Children bitten on the face. Among the most serious cases by injury severity. Scarring damages and psychological trauma are central, and the case warrants thorough development.
The damages categories in a New York dog bite case are:
Scarring cases — especially involving children — often warrant evaluation by a treating plastic surgeon early in the case to project the full course of future surgeries.
Prior results do not guarantee a similar outcome.
