California Dog Bite Law: What Victims and Owners Need to Know

Dog sitting in the driver’s seat of a car, representing potential liability situations involving animals and injuries

Under California dog bite law, owners are strictly liable when their dog bites someone in a public place or while the victim is lawfully on private property. This applies regardless of the dog’s bite history. Victims do not need to prove the owner was negligent or knew the dog was dangerous. Liability attaches automatically under Civil Code 3342.

California is one of the strictest states in the country on this issue. California personal injury lawyers and Glendale personal injury lawyers handle these claims under the same rules statewide.

Is California a Strict Liability State for Dog Bites?

Yes. California applies strict liability under Civil Code Section 3342, meaning a dog owner is automatically responsible when their dog bites someone, even without any prior aggressive behavior, and even if the owner took precautions.

Two conditions must be met: the bite occurred in a public place, or the victim was lawfully on private property at the time.

California law defines “lawfully present” broadly. People covered include:

  • Invited guests and social visitors.
  • Mail carriers and delivery drivers on official duty.
  • Service workers and repair technicians.
  • Any person the owner has expressly or implicitly permitted to be there.

The bite does not need to break skin to qualify. In Johnson v. McMahan (1998), a court upheld a claim after a dog closed its jaws on a roofer’s pants rather than his leg, causing him to fall from a ladder.

Non-bite injuries, such as being knocked over or scratched, are not covered under Section 3342. Those claims fall under proving negligence in a personal injury case, where the victim must show the owner failed to exercise reasonable care.

A personal injury lawyer can evaluate whether your bite qualifies under the statute. California liability laws apply a similar strict liability framework to other injury contexts.

People pulling apart aggressive dogs in a park as a child looks on, illustrating injuries caused by aggressive dogs. Learn more about California dog bite laws.

Does California Have a One-Bite Rule?

No. California does not follow the one-bite rule. The one-bite rule, used in some other states, means an owner is only liable after they knew their dog had a history of aggression. The first bite essentially goes unpunished under that framework.

California eliminated that standard when it enacted Civil Code Section 3342. A first bite creates full liability for the owner, with no exception for dogs with no prior history.

Saying “my dog has never bitten anyone before” is not a defense in California. The statute makes the history of the dog irrelevant. Liability exists from the moment the first bite occurs.

What Are the Exceptions to California Dog Bite Liability?

California strict liability has three recognized exceptions: trespassing, provocation, and police or military dog exemptions. A fourth defense, assumption of risk, applies in limited occupational contexts.

  • Trespassing: Civil Code Section 3342 only protects people who are lawfully present. Trespassers are excluded from strict liability protection. Courts may treat child trespassers differently, particularly when an attractive nuisance argument applies.
  • Provocation: if the victim’s own actions would reasonably cause a defensive reaction in the dog, the owner may avoid liability. Courts apply a reasonable person standard, meaning intent is not relevant. Only the nature of the victim’s conduct and the dog’s reaction are evaluated.
  • Police and military dogs: dogs acting in an official law enforcement or military capacity are exempt under Section 3342(b) when within the scope of their duty. If the dog bites an unrelated bystander outside that scope, the exemption may not apply.
  • Assumption of risk: veterinarians, kennel workers, groomers, and others who work professionally with animals may be found to have assumed the risk of a bite. This defense is narrow and applies only to occupational exposure, not the public.

What Happens to a Dog After a Bite in California?

After a bite in California, the dog must be quarantined for 10 days, and animal control will investigate. Repeated biting can lead to a “potentially dangerous” or “vicious” designation and, in severe cases, euthanasia.

The 10-day quarantine is mandatory. If the dog is current on vaccinations, it can typically be quarantined at home under the owner’s supervision. Unvaccinated dogs are held at a shelter or veterinary facility. The quarantine period monitors for signs of rabies, not as punishment for the bite itself.

Animal control will review the vaccination records, the dog’s bite history, whether the dog was at-large, and whether the victim may have provoked the attack. This assessment determines what designation, if any, follows.

Potentially dangerous (Food and Agricultural Code Section 31602): triggered by an unprovoked bite causing a non-severe injury, or two unprovoked aggressive incidents within 36 months. Restrictions include a secure enclosure, leash requirements outside the property, and up-to-date vaccinations.

Vicious (Food and Agricultural Code Section 31603): triggered by an unprovoked bite causing severe injury or death, or when a previously designated “potentially dangerous” dog repeats the behavior after the owner has been notified. A vicious designation can result in the dog being removed from the area or euthanized.

Owners receive written notice and have the right to a hearing before any permanent designation or euthanasia order takes effect. No dog can be euthanized without this due process.

Infographic of injuries caused by aggressive dogs including bite wounds, nerve damage, broken bones, PTSD, and permanent disfigurement. Learn more about California dog bite laws.

How Do You Report a Dog Bite in California?

All animal bites to humans must be reported to local animal control or the local health officer under California state regulations. Mandatory reporting protects both the victim and the public from rabies exposure.

  • Who must report: hospitals, urgent care clinics, and other treating medical providers are required by law to report bites to the local health authority. Victims and owners can also report directly to animal control.
  • How to report: contact your local animal control agency or county health department. In Los Angeles County, that is LA County Animal Care and Control. Every county has an equivalent agency.
  • What happens after reporting: animal control opens an investigation, the 10-day quarantine is initiated, and the owner is contacted to provide vaccination records and contact information.

Under Penal Code Section 398, a dog owner has 48 hours after a bite to provide the victim with their name, address, phone number, and the dog’s license tag number, along with rabies vaccination status. Failure to do so is an infraction punishable by a fine of up to $100.

For a full checklist of next steps, including medical care and documentation, what to do after a dog bite covers everything from the scene through the claim.

Beware of Dog sign on a white fence symbolizing the risk of injuries caused by aggressive dogs and legal liability. Learn more about California dog bite laws.

What Compensation Can a Dog Bite Victim Recover in California?

Dog bite victims in California can recover medical expenses, lost wages, pain and suffering, emotional distress, and future care costs, all covered under the owner’s strict liability.

  • Medical expenses: emergency treatment, surgery, rehabilitation, and follow-up care, including specialist visits for nerve damage or infection.
  • Lost wages: income lost during recovery and reduced earning capacity if the injuries cause permanent limitations.
  • Pain and suffering: physical pain, lasting discomfort, and the impact the injuries have on daily activities and quality of life.
  • Emotional distress: anxiety, PTSD, and fear of dogs that persists after the physical wounds heal, documented through medical or psychological records.
  • Scarring and disfigurement: permanent physical damage, which courts treat as a distinct category of harm, particularly significant in facial injuries.
  • Future care costs: ongoing treatment if the injuries require long-term medical attention, including reconstructive surgery or mental health support.

Homeowners and renters insurance often covers dog bite lawsuit California claims, but some policies exclude specific breeds. If the owner has no insurance, they are personally liable for the full judgment.

Not every bite justifies a formal claim, but serious injuries, permanent scarring, and emotional trauma usually do. A dog bite attorney can assess the strength of your case and help you recover the full value of your damages.

Get a Free Case Review From a California Dog Bite Lawyer

Thompson Law offers a Free Consultation with No Fee Unless We Win for California dog bite victims. If you were bitten and are unsure whether you have a claim, contact us to get a direct assessment of your case and understand your rights. 

Frequently Asked Questions

Is California a strict liability state for dog bites?

Yes. California applies strict liability under Civil Code Section 3342, meaning the owner is responsible for a bite regardless of the dog’s history or the owner’s knowledge of aggression. Victims do not need to prove negligence or show that the owner did anything wrong to recover compensation.

Does California have a one-bite rule for dogs?

No. California eliminated the one-bite rule when it enacted Civil Code Section 3342. A first bite creates full liability for the owner, and the dog’s prior good behavior is not a valid defense. The owner is liable from the moment the first bite occurs.

What happens after a dog bite is reported in California?

Animal control opens an investigation, initiates a mandatory 10-day quarantine of the dog, and contacts the owner to obtain vaccination records and contact information. The findings from this process determine whether the dog receives any formal dangerous or vicious designation.

How long do I have to file a dog bite lawsuit in California?

You have two years from the date of the bite to file a personal injury lawsuit under California Code of Civil Procedure Section 335.1. If a government entity is involved, the deadline drops to six months to file an administrative claim first.

Can a dog be euthanized after biting someone in California?

Yes, in certain cases. A dog designated as vicious under Food and Agricultural Code Section 31603, due to causing severe injury or repeating dangerous behavior after a prior designation, can be ordered removed from the area or euthanized after a formal hearing.

What if the dog owner says I was trespassing?

Trespassing is a recognized defense under Civil Code Section 3342, which only protects people who are lawfully present. If you were trespassing, strict liability may not apply to your claim, though courts may treat child trespassers differently depending on the circumstances.

Does homeowners insurance cover dog bites in California?

Often yes. Homeowners and renters insurance policies frequently cover dog bite liability claims, making them a primary source of compensation for victims. However, some policies exclude specific dog breeds. If the owner has no insurance, they remain personally liable for the full damages.

¿Tienen abogados que hablen español para casos de mordedura de perro en California?

Sí. Atendemos casos de mordedura de perro en California en español, incluyendo Glendale y Los Ángeles. Si fuiste mordido, contáctanos hoy y revisamos tu caso. La consulta es gratis y no cobramos a menos que ganemos tu caso.

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