Pet laws

The rules US pet owners need to know: rabies vaccination, dog licensing, microchips, leaving dogs alone, hot car and tethering laws, and liability for dog bites.

Guides in this section

5 guides

Dangerous dog laws in the US: designations, breed rules and owner duties How a dog gets declared dangerous in the US, what owners must do afterward, which states limit breed-specific laws, and how insurers and landlords treat certain breeds. 5 min
Pet laws in the US: what every dog and cat owner must know The main US laws for pet owners: rabies vaccination, licensing, leash and dangerous dog rules, cruelty and neglect laws, hot cars and dog bite liability, explained simply. 4 min
Do I need a dog license? Requirements, fees and how to get one Most US cities and counties require dogs to be licensed. Who needs a license, what you need to apply (usually proof of rabies vaccination), typical fees and fines. 2 min
How long can a dog be left alone? What US laws say and what's fair There's no federal limit on leaving a dog alone, but state cruelty, tethering and hot car laws apply. How many hours are reasonable by age, and options if you work long days. 4 min
Is microchipping your dog or cat required by law? There's no federal microchip law in the US, but Hawaii and some cities and counties require it. How microchips work, what they cost and how to register yours. 3 min

Most pet laws are local

In the US, pet laws come mostly from states, counties and cities, not the federal government. That's why the rules on licensing, leashes or microchips can change when you move across town. The guides in this section explain the common rules and point you to where you can check yours.

Start here

Responsibility for your dog

Owners can be held responsible for injuries their dog causes, and dog bite claims are expensive: the average claim was $65,450 in 2025, according to the Insurance Information Institute. Find out whether you're covered in does homeowners insurance cover dog bites?

These guides are general information, not legal advice. For your specific situation, check your state and local laws or ask a lawyer.