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California Dog Bite Law

Who is Liable When a Dog Attacks?

If you or your child was bitten or hurt by someone else's dog in California, one of the first questions is who's legally responsible. California law is often more favorable to injured people than they expect.

Written by Noah Schwinghamer | 06 July 2026

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Quick Summary

In California, a dog's owner is automatically responsible if their dog bites someone who is in public or lawfully on private property, even if the dog had never bitten anyone before. For injuries that aren't bites (like being knocked down or scratched), you generally have to show the owner knew, or should have known, the dog was likely to cause that kind of harm. Someone only temporarily watching a dog, like a dog-sitter, is usually liable only if they knew the dog was dangerous.

Do I have to prove the dog was dangerous?

It depends on how you were hurt. California has two different rules:

If the dog bit you: You usually don't have to prove the dog was dangerous or had ever bitten before. The owner is "strictly liable."
If the dog hurt you another way (knocked you down, scratched you): You generally must show the owner knew, or reasonably should have known, the dog was likely to behave that way.

It depends on how you were hurt. California has two different rules:

If the dog bit you: You usually don't have to prove the dog was dangerous or had ever bitten before. The owner is "strictly liable."
If the dog hurt you another way (knocked you down, scratched you): You generally must show the owner knew, or reasonably should have known, the dog was likely to behave that way.

California's strict liability dog bite law (Civil Code § 3342)

California's dog bite statute makes an owner responsible for a bite regardless of whether the dog ever showed aggression before. Key points:

It applies when you were bitten in a public place or while lawfully on private property, including the owner's own property (for example, as an invited guest or someone there to do a job).
The bite does not have to break the skin to count.
It protects people who are lawfully present, not trespassers.
"She's never bitten anyone before" is not a defense.

California's dog bite statute makes an owner responsible for a bite regardless of whether the dog ever showed aggression before. Key points:

It applies when you were bitten in a public place or while lawfully on private property, including the owner's own property (for example, as an invited guest or someone there to do a job).
The bite does not have to break the skin to count.
It protects people who are lawfully present, not trespassers.
"She's never bitten anyone before" is not a defense.

What if the dog didn't bite me?

If your injury wasn't a bite, the strict liability statute doesn't automatically apply, and the older "should have known" rule governs. A dog's dangerous tendencies aren't limited to biting: any trait likely to cause injury, such as jumping on people or knocking children over, can count, and an owner who knows about it has a duty to take reasonable steps to prevent harm.

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Find Legal Answers After a Dog Bite

Who counts as the dog's "owner"?

This matters because owners face the strictest liability. Courts look at practical facts, such as who acquired the dog, who it lives with, who pays for its food and vet care, who walks it, and whether any paperwork lists an owner.

What about a dog-sitter (a "keeper")?

Someone only temporarily responsible for a dog is treated differently from an owner. A keeper is generally liable only if they knew the dog was dangerous — unlike the owner, who can be automatically responsible for a bite.

Are there exceptions? A few notable ones:

Police and military dogs: In certain situations a government agency may be shielded, but not where the bite victim had nothing to do with the underlying incident.
Veterinary and kennel workers: Someone who handles dogs as part of their job is generally considered to have accepted the risk of being bitten.
Trespassers: People not lawfully on the property generally can't recover under the statute.
Defenses: Owners may still raise defenses such as assumption of risk or comparative fault.

Police and military dogs: In certain situations a government agency may be shielded, but not where the bite victim had nothing to do with the underlying incident.
Veterinary and kennel workers: Someone who handles dogs as part of their job is generally considered to have accepted the risk of being bitten.
Trespassers: People not lawfully on the property generally can't recover under the statute.
Defenses: Owners may still raise defenses such as assumption of risk or comparative fault.

What this means if you were bitten

If a dog bit you in public or while you were lawfully on someone's property, California law is often on your side, even if the owner insists the dog was always gentle. The details — who the owner is, where you were, how you were hurt — can change everything, so it's worth having an experienced injury attorney review the specifics.

Frequently Asked Questions

Q: Does the dog bite have to break the skin?
A: No. The statute can apply even if the bite didn't puncture the skin.

Q: Does it matter that the dog never bit anyone before?
A: Not for a bite claim — the owner can be strictly liable even with a spotless history.

Q: Can I recover if I was bitten at the owner's home?
A: Yes, if you were lawfully there (such as an invited guest). Trespassers generally cannot.

Q: Does the dog bite have to break the skin?
A: No. The statute can apply even if the bite didn't puncture the skin.

Q: Does it matter that the dog never bit anyone before?
A: Not for a bite claim — the owner can be strictly liable even with a spotless history.

Q: Can I recover if I was bitten at the owner's home?
A: Yes, if you were lawfully there (such as an invited guest). Trespassers generally cannot.

Q: Does the dog bite have to break the skin?
A: No. The statute can apply even if the bite didn't puncture the skin.

Q: Does it matter that the dog never bit anyone before?
A: Not for a bite claim — the owner can be strictly liable even with a spotless history.

Q: Can I recover if I was bitten at the owner's home?
A: Yes, if you were lawfully there (such as an invited guest). Trespassers generally cannot.

DISCLAIMER

This article explains general California law and is provided for information only. It is not legal advice, every situation is different, and the law can change. For guidance on your specific case, speak with a qualified attorney.

DISCLAIMER

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About the Author

Noah Schwinghamer

Noah Schwinghamer is the founding attorney of Schwinghamer Law in Stockton, California. With over a decade of experience in personal injury law, Noah is dedicated to helping individuals and families stand up to powerful insurance companies and recover the compensation they deserve. He has successfully taken on major insurers, Fortune 500 companies, and government entities — and has recovered millions of dollars for his clients. His mission is simple: leave every client better than he found them.

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