In order to recover against a landlord for injuries caused by a tenant's dog on a theory of strict liability, the plaintiff must demonstrate that the landlord: (1) had notice that a dog was being harbored on the premises; (2) knew or should have known that the dog had vicious propensities; and (3) had sufficient control of the premises to allow the landlord to remove or confine the dog. Vicious propensities include the propensity to do any act that might endanger the safety of the persons and property of others. Evidence tending to prove that a dog has vicious propensities includes a prior attack, or the dog's tendency to growl, snap, or bare its teeth.
Quintanilla v. Schutt, NY Slip Op 00339 (2d Dep't January 25, 2023)