⚖️ Dog Bite Liability Laws by State
States follow one of two broad approaches. Under strict liability, the owner is responsible for a bite even if the dog never showed aggression before. Under the "one-bite" rule, the injured person usually has to show the owner knew, or should have known, the dog was dangerous.
| State | Status | What the law says | Source |
|---|---|---|---|
| Alabama | Mixed — strict in some situations | Alabama makes owners liable for bites where the victim had a right to be, but owners may reduce damages by proving they had no reason to think the dog was dangerous. What it covers: Bite or injury Where: Vicious dog: Under 3-1-3, liability if owner/keeper allows dog to go at liberty (roam) or carelessly manages the animal. Dog bite: Under 3-6-1, a place where victim has a legal right to be or on owner's property only when defined in 3-6-2. Defences: There is a mitigation of strict liability for injury to persons. Section 3-6-3 states that the owner of such dog shall be entitled to plead and prove in mitigation of damages that he or she had no knowledge of any circumstances indicating such dog to be or to have been vicious or dangerous or mischievous. If so proved, owner is only liable for actual expenses incurred by the person so bitten or… | Ala. Code 1975 § 3-1-3 Ala. Code 1975 § 3-6-1 |
| Alaska | "One-bite" rule / negligence | Alaska has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| Arizona | Strict liability | Arizona has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Any injury to person or damage to property (11-1020) Dog bite (11-1025) Where: Dogs at large: Injury to any person or damage to any property by a dog while at large shall be the full responsibility of the dog owner or person or persons responsible for the dog when such damages were inflicted. (11-1020) Dog bite: On a public place or lawfully in or on a private place,… Defences: Police/military dogs: Dog used in military or police work when dog defending itself or assisting the agency: apprehending a suspect investigation of a crime execution of a warrant defense of a peace officer or another person (11-1025) Provocation: Proof of provocation of the attack by the person injured shall be a defense to the action for damages. The issue of provocation shall be determined by… | A. R. S. § 11-1020 A. R. S. § 11-1025 A. R. S. § 11-1027 |
| Arkansas | "One-bite" rule / negligence | Arkansas has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| California | Strict liability | California has a strict liability statute: the owner is liable for a bite even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Bite only Where: In a public place or lawfully in a private place, including the property of the owner of the dog Defences: Police/military dogs if the bite occurred while the dog was defending itself from an annoying, harassing, or provoking act, or assisting an employee of the agency in any of the following: in the apprehension or holding of a suspect where the employee has a reasonable suspicion of the suspect's involvement in criminal activity. in the investigation of a crime or possible crime in the execution of… | West's Ann. Cal. Civ. Code § 3342 |
| Colorado | Mixed — strict in some situations | Colorado’s strict liability applies only when a bite causes serious bodily injury or death; other bites follow ordinary negligence rules. What it covers: Bite BUT ONLY if the person suffered serious bodily injury or death from being bitten by a dog Where: While lawfully on public or private property Defences: A dog owner shall not be liable: if the person bitten is unlawfully on public or private property (trespassing) if the person bitten is on property of the dog owner and the property is clearly and conspicuously marked with one or more posted signs stating "no trespassing" or "beware of dog" the dog is being used by a peace officer or military personnel in the performance of duties the person… | C. R. S. A. § 13-21-124 |
| Connecticut | Strict liability | Connecticut has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Any damage to either the body or property of any person Note that here, “property” includes, but is not limited to, a companion animal, as defined in section 22–351a, and “the amount of such damage”, with respect to a companion animal, includes expenses of veterinary care, the fair monetary value… Where: Presumably any place Defences: Provocation, trespass, or tort: Exceptions if person damaged by dog was: committing a trespass or other tort teasing, tormenting or abusing such dog There is a presumption that a minor victim under 7 years old was not committing a trespass or other tort, or teasing, tormenting or abusing such dog. The burden of proof is on the defendant dog owner/caretaker to show that. | C. G. S. A. § 22-357 |
| Delaware | Strict liability | Delaware has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Any injury, death or loss to person or property Where: Presumably any place Defences: Provocation, trespass, or criminal act: At the time of injury, death, or loss: was committing or attempting to commit a trespass or other criminal offense on the property of the owner was committing or attempting to commit a criminal offense against any person was teasing, tormenting, or abusing the dog (provocation) | 16 Del.C. § 3053F |
| District of Columbia | "One-bite" rule / negligence | The District repealed its dog-bite statute in 2017, so liability follows the common law: the injured person generally has to show the owner was negligent or knew the dog was dangerous. | Official text |
| Florida | Strict liability | Florida has a strict liability statute: the owner is liable for a bite even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Bite Where: Includes when a person is: in a public place, or lawfully in a private place, including the property of the owner of the dog A person is lawfully upon private property of such owner within the meaning of this act when the person is on such property in the performance of any duty imposed upon him or… Defences: Provocation and failure to post sign (for victims over 6): Any negligence on the part of the person bitten that is a proximate cause of the biting incident reduces the liability of the owner of the dog by the percentage that the bitten person's negligence contributed to the biting incident. The owner is not liable (except when victim is under the age of 6) if at the time of any such injury the… | West's F. S. A. § 767.04 |
| Georgia | Mixed — strict in some situations | Georgia holds owners liable for dangerous dogs that are allowed to roam or are not kept under the restraint a local leash law requires. What it covers: Injury to another person Where: Carelessly allows the animal to go at liberty (or violates an ordinance or law requiring restraint - to "be at heel" according under this law) Defences: Provocation: "a person who does not provoke the injury by his own act." | Ga. Code Ann., § 51-2-7 |
| Hawaii | Strict liability | Hawaii has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Personal or property damage to any person Where: Any place Defences: Trespass: Any owner or harborer of an animal shall not be liable for any civil damages resulting from actions of the animal occurring in or upon the premises of the owner or harborer where the person suffering either personal or property damage as a proximate result of the actions of the animal is found by the trier of fact intentionally or knowingly to have entered or remained in or upon such… | H R S § 663-9, § 663-9.1 |
| Idaho | "One-bite" rule / negligence | Idaho has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| Illinois | Strict liability | Illinois has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Attacks, attempts to attack, or injures any person Where: Peaceably conducting himself or herself in any place where he or she may lawfully be Defences: Provocation (and, by implication, trespass since only applies when person is lawfully in a place) | 510 ILCS 5/16 |
| Indiana | Strict liability | Indiana has a strict liability statute: the owner is liable for a bite even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Bite Where: A person: (1) who is acting peaceably; and (2) who is in a location where the person may be required to be in order to discharge a duty imposed upon the person by: the laws of Indiana; the laws of the United States; or the postal regulations of the United States Defences: Provocation Trespassing (law requires victim be in a place lawfully) | IC 15-20-1-3 |
| Iowa | Strict liability | Iowa has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: All damages done by the dog when the dog is caught in the action of worrying, maiming, or killing a domestic animal, or the dog is attacking or attempting to bite a person Where: Presumably any place Defences: Liable except when the party damaged is doing an unlawful act (Also has exception for dogs affected with hydrophobia unless owner had reasonable grounds to know of the infection.) | I. C. A. § 351.28 |
| Kansas | "One-bite" rule / negligence | Kansas has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| Kentucky | Strict liability | Kentucky has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Any owner whose dog is found to have caused damage to a person, livestock, or other property shall be responsible for that damage Where: Presumably any place Defences: Not provided in law | KRS § 258.235(4) |
| Louisiana | Mixed — strict in some situations | Louisiana holds dog owners liable for injuries the owner could have prevented, unless the victim provoked the dog. What it covers: The owner of a dog is strictly liable for damages for injuries to persons or property caused by the dog and which the owner could have prevented Where: Presumably any place Defences: Applies only to unprovoked injuries that dog owner could have prevented | LA C.C. Art. 2321 |
| Maine | Mixed — strict in some situations | Maine holds owners liable for injuries caused when the dog is off the owner’s premises. What it covers: Injures a person Where: When not on the owner's or keeper's premises at the time of the injury Defences: Any fault on the part of the person injured may not reduce the damages recovered for physical injury to that person unless the court determines that the fault of the person injured exceeded the fault of the dog's keeper or owner. Applies only when not on owner or keeper's property. | 7 M. R. S. A. § 3961 |
| Maryland | Mixed — strict in some situations | Maryland presumes the owner knew the dog was dangerous; the owner can rebut that presumption. Owners are strictly liable when the dog was running at large. What it covers: Modified strict liability: "In an action against an owner of a dog for damages for personal injury or death caused by the dog, evidence that the dog caused the personal injury or death creates a rebuttable presumption that the owner knew or should have known that the dog had vicious or dangerous… Where: Presumably any place Defences: Provocation, trespass, and criminal act: Defenses apply only if the dog is running at large Committing or attempting to commit a trespass or other criminal offense on the property of the owner; Committing or attempting to commit a criminal offense against any person; or Teasing, tormenting, abusing, or provoking the dog. | MD Code, Courts and Judicial Proceedings, § 3-1901 |
| Massachusetts | Strict liability | Massachusetts has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Damage to either the body or property of any person Where: Presumably any place Defences: Provocation, trespass, and victim age: At the time such damage was sustained, person was: committing a trespass or other tort teasing, tormenting or abusing such dog If injured person was a minor under 7 at time of damage, it shall be presumed that such minor was not committing a trespass or other tort, or teasing, tormenting or abusing such dog; burden of proof shall be upon the defendant in… | M.G.L.A. 140 § 155 |
| Michigan | Strict liability | Michigan has a strict liability statute: the owner is liable for a bite even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Bite Where: While the person is on public property, or lawfully on private property, including the property of the owner of the dog, the owner of the dog Defences: Provocation Trespassing (law requires victim be in a place lawfully) | MCL 287.351 |
| Minnesota | Strict liability | Minnesota has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Attacks or injures any person who is acting peaceably Owner of the dog is liable in damages to the person so attacked or injured to the full amount of the injury sustained Where: Any place where the person may lawfully be, Defences: Provocation Trespassing (law requires victim be in a place lawfully) | MSA 347.22 |
| Mississippi | "One-bite" rule / negligence | Mississippi has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| Missouri | Strict liability | Missouri has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Bite to person, or Damage to property or livestock Any person who is held liable under the provisions of subsection 1 shall pay a fine not exceeding $1000 Where: While such person is on public property, or lawfully on private property, including the property of the owner or possessor of the dog Defences: Provocation Trespassing (law requires victim be in a place lawfully) Also, if it is determined that the damaged party had fault in the incident, any damages owed by the owner or possessor of the biting dog shall be reduced by the same percentage that the damaged party's fault contributed to the incident. | V.A.M.S 273.036 |
| Montana | Mixed — strict in some situations | Montana’s strict liability covers bites in incorporated cities and towns only; elsewhere negligence rules apply. What it covers: Bite to person Where: A public place or lawfully on or in a private place, including the property of the owner of the dog, located within an incorporated city or town Defences: Provocation Trespassing (law requires victim be in a place lawfully) Outside incorporated city or town | MCA 27-1-715 |
| Nebraska | Strict liability | Nebraska has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Any and all damages to: any person, other than a trespasser, by reason of having been bitten by any such dog or dogs; any person, firm, or corporation by reason of such dog or dogs killing, wounding, injuring, worrying, or chasing any person or persons or any sheep or other domestic animals… Where: Presumably any place where person has legal right to be Defences: Trespass Police dog: Governmental agency or its employees using a dog in military or police work under the details listed in the statute. | Neb. Rev. St § 54-601 |
| Nevada | "One-bite" rule / negligence | Nevada has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| New Hampshire | Strict liability | New Hampshire has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Damage to person or property, including sheep, lambs, fowl, or other domestic creatures Where: Presumably any place Defences: Trespass and torts: A person who was engaged in the commission of a trespass or other tort | N.H. Rev. Stat. § 466:19 |
| New Jersey | Strict liability | New Jersey has a strict liability statute: the owner is liable for a bite even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Bite to person Where: While such person is on or in a public place, or lawfully on or in a private place, including the property of the owner of the dog Defences: Trespass: Not provided, but trespass is implied by the law (i.e., not lawfully in a place) | N. J. S. A. 4:19-16 |
| New Mexico | "One-bite" rule / negligence | New Mexico has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| New York | "One-bite" rule / negligence | New York has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| North Carolina | Mixed — strict in some situations | North Carolina’s statute only covers dogs over 6 months running at large at night; otherwise owners are liable mainly if they knew the dog was dangerous. What it covers: Liable in damages to any person injured or suffering loss to his property or chattels Where: Presumably any place Defences: Not specifically provided, but law only applies to dogs running at large during night | N.C.G.S.A. § 67-12 |
| North Dakota | "One-bite" rule / negligence | North Dakota has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| Ohio | Strict liability | Ohio has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Liable in damages for any injury, death, or loss to person or property that is caused by the dog Also includes individual who, at the time of the injury, was on the property of the owner solely for the purpose of engaging in door-to-door sales or other solicitations regardless of whether the… Where: Presumably any place Defences: Provocation, trespass, and some criminal acts: Individual who, at the time, was committing or attempting to commit: criminal trespass; another criminal offense other than a minor misdemeanor on the property of the owner, keeper, or harborer, a criminal offense other than a minor misdemeanor against any person; or was teasing, tormenting, or abusing the dog on the owner's, keeper's, or harborer's… | RC § 955.28 |
| Oklahoma | Strict liability | Oklahoma has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Bites or injures any person Where: While such person is in or on a place where he has a lawful right to be. Defences: Provocation Trespassing (law requires victim be in a place lawfully) | 4 Okl.St.Ann. § 42.1 |
| Oregon | Mixed — strict in some situations | Oregon holds owners strictly liable for economic damages (such as medical bills) caused by their dog; other damages follow negligence rules. What it covers: Injury caused by a dog Where: Presumably any place Defences: This section does not prevent the owner of a dog that caused an injury from asserting that the dog was provoked, or from asserting any other defense that may be available to the owner. | O. R. S. § 31.360 |
| Pennsylvania | Mixed — strict in some situations | Pennsylvania makes owners pay the full medical costs of a bite; other damages generally require showing the owner knew of the danger. What it covers: Any cost to the victim for medical treatment resulting from an attacking or biting dog must be paid fully by the owner or keeper of the dog. Where: Presumably any place Defences: Not provided in law | 3 P.S. § 459-502 |
| Rhode Island | Mixed — strict in some situations | Rhode Island holds owners liable for injuries to people on the highway or outside the owner’s enclosure. What it covers: Kills, wounds, worries, or assists in killing, wounding or worrying, any OWNED sheep, lamb, cattle, horse, hog, swine, fowl, or other domestic animal Assaults, bites, or otherwise injures any person while traveling the highway or out of the enclosure of the owner or keeper of that dog Where: According to sources, "the clause 'while traveling on the highway or out of the enclosure of the owner or keeper of such dog' modifies the word 'person' and not the word 'dog.' " Wilbur v. Gross, 55 R.I. 473, 478, 182 A. 597, 599 (1936). Thus, the law applies when the dog is outside the… Defences: Not provided in law (but law assumes outside of enclosure in owner's yard) | Gen. Laws, 1956, § 4-13-16 |
| South Carolina | Strict liability | South Carolina has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Bitten by dog or otherwise attacked Where: In a public place or is lawfully in a private place, including the property of the dog owner or person having the dog in the person's care or keeping Defences: Provocation: the person who was attacked provoked or harassed the dog and that provocation was the proximate cause of the attack. Police dog: the dog was working in a law enforcement capacity with a governmental agency and in the performance of the dog's official duties and meets other requirements. | Code 1976 § 47-3-110 |
| South Dakota | "One-bite" rule / negligence | South Dakota has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| Tennessee | Mixed — strict in some situations | Tennessee holds owners strictly liable for dogs running at large; on the owner’s property, the victim must show negligence. What it covers: Any damages suffered by a person who is injured by the dog Where: While in a public place or lawfully in or on the private property of another (negligence applies if on the dog owner/keeper's property) Defences: The dog is a police or military dog, the injury occurred during the course of the dog's official duties and the person injured was a party to, a participant in or suspected of being a party to or participant in the act or conduct that prompted the police or military to utilize the services of the dog; The injured person was trespassing upon the private, nonresidential property of the dog's owner;… | T. C. A. §44-8-413 |
| Texas | "One-bite" rule / negligence | Texas has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| Utah | Strict liability | Utah has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Any injury Where: Presumably any place Defences: Police dog: Neither the state nor any county, city, or town in the state nor any peace officer employed by any of them shall be liable in damages for injury committed by a dog, if: (a) the dog has been trained to assist in law enforcement; and (b) the injury occurs while the dog is reasonably and carefully being used in the apprehension, arrest, or location of a suspected offender or in… | U.C.A. 1953 § 18-1-1 |
| Vermont | "One-bite" rule / negligence | Vermont has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| Virginia | "One-bite" rule / negligence | Virginia has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
| Washington | Strict liability | Washington has a strict liability statute: the owner is liable for a bite even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Bite Where: While in or on a public place or lawfully in or on a private place including the property of the owner of such dog Defences: Police dog: This section does not apply to the lawful application of a police dog, as defined in RCW 4.24.410 | West's RCWA 16.08.040 |
| West Virginia | Mixed — strict in some situations | West Virginia holds owners liable for damage done by dogs running at large. What it covers: Any damage to person or property of another Where: Presumably any place but owner's property Defences: Not provided in law, but dog must be running at large | W. Va. Code, § 19-20-13 |
| Wisconsin | Strict liability | Wisconsin has a strict liability statute: the owner is liable for injuries the dog causes even if the dog had never shown aggression before. Common defences are provocation and trespassing. What it covers: Any injury to a person, domestic animal or property Where: Presumably any place Defences: Police dog: The owner of a dog that is used by a law enforcement agency is not liable for damages caused by the dog to a crime suspect while the dog is performing law enforcement functions. | W. S. A. 174.02 |
| Wyoming | "One-bite" rule / negligence | Wyoming has no dog-bite strict liability statute. Under the “one-bite” rule and negligence law, an injured person usually has to show the owner knew — or should have known — the dog was dangerous, or was careless in controlling it. | Official text |
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General information, not legal advice. Laws change and local authorities often add stricter rules. Each row links to its source and was checked on the date shown at the top — confirm with your local authority or a lawyer before relying on it.