Arizona is a strict liability state for dog bites. Under A.R.S. § 11-1025, a dog owner is liable if their dog bites someone who was in a public place or lawfully on private property, regardless of whether the dog had ever shown aggression before and regardless of whether the owner knew the dog was dangerous. You don't have to prove negligence. The bite establishes liability.
What strict liability means in practice
In most personal injury cases, you have to show the defendant acted carelessly. Dog bite cases in Arizona remove that requirement entirely. If the bite happened while you were somewhere you had a legal right to be, a public park, a neighbor's yard after being invited, a delivery route, the analysis is straightforward. The owner's insurance is the next question.
Arizona has no "one-bite rule"
Many states give dog owners a legal pass the first time their animal bites someone, the so-called one-bite rule. Arizona does not. There is no free first bite here. An owner cannot avoid liability by arguing the dog had a clean record or that they took precautions. The bite itself, combined with your lawful presence, is enough.
What the statute says
A.R.S. § 11-1025 imposes strict liability on dog owners for bites that occur in public spaces or while the victim was lawfully on private property, including the owner's own property. The law applies to any dog of any breed.
The statute covers bites specifically. Other dog-related injuries, being knocked down, for instance, can still be pursued under general negligence theories, but the strict liability protection applies to biting incidents.
Who counts as "lawfully present"
The statute protects anyone who was in a public place or lawfully on private property at the time of the bite. That includes guests invited to someone's home, postal workers and delivery drivers, utility workers, neighbors who entered with permission, and anyone on a public sidewalk or park. Trespassers generally fall outside the statute's protection, but courts in Arizona interpret the trespasser exception narrowly, and it rarely applies to children or people who entered without knowing they were trespassing.
Who qualifies as an "owner"
A.R.S. § 11-1012 defines "owner" broadly to include any person harboring or keeping a dog, not just the registered owner. A landlord who knowingly allows a dangerous dog on the premises, a housesitter caring for the animal, or a family member who has taken it in may all share liability. Identifying every potentially responsible party is part of building a complete claim.
Defenses owners and insurers raise
Provocation, arguing the victim hit, startled, or taunted the dog, and trespassing are the primary defenses. Arizona's pure comparative fault rule (A.R.S. § 12-2505) means even if you were partly responsible, your damages are reduced proportionally rather than eliminated. Insurers will use these arguments aggressively to minimize settlements. Don't accept an offer or sign a release before speaking with an attorney. See our post on Arizona comparative negligence law.
What a dog bite claim can recover
Medical expenses including emergency care, wound treatment, surgery, and follow-up, future costs for reconstructive procedures, lost wages, pain and suffering, emotional distress, and scarring or disfigurement are all recoverable. Claims involving children frequently include significant psychological damages from the trauma of the attack.
The filing deadline
Arizona gives most personal injury victims two years from the date of the bite (A.R.S. § 12-542). See our post on the Arizona personal injury statute of limitations.
Our dog bite attorneys handle claims throughout Phoenix and Scottsdale on a contingency fee basis. No fee unless we win. Call (480) 418-SHER (7437) or reach out online.