Colorado Pet Laws

This page summarizes the main state laws that affect dog and cat owners in Colorado, with links to the full guide for each topic. State law sets the baseline; your city or county can add stricter rules, so check local ordinances too.

Colorado Dog License Requirements

Colorado has no statewide dog license, but counties may require licensing by resolution (C.R.S. 30-15-101) and cities set their own rules, so check your local code. A license cannot be issued without a valid rabies vaccination certificate from a licensed veterinarian.

Read the full dog license requirements guide →

Colorado Leash Laws

Colorado has no statewide leash law. Counties may require dogs to be under control at all times, with exceptions for working livestock, hunting and police dogs, and cities set their own leash rules. Unvaccinated pets may not run at large when a rabies vaccination order is in effect.

Read the full leash laws guide →

Colorado Dog Bite Laws

Colorado imposes strict liability only when a dog causes serious bodily injury or death to someone lawfully on public or private property, and only for economic damages (C.R.S. 13-21-124). Trespassers, people who provoke the dog, and some professionals on duty are excluded. Other bite cases follow the common law. The deadline is 2 years.

Read the full dog bite laws guide →

Colorado Rabies Vaccination Laws for Dogs and Cats

Colorado has no statewide rabies vaccination requirement unless a county or health district issues an order (C.R.S. 25-4-607). Cities and counties can require rabies shots, and a county dog license cannot be issued without a rabies certificate. Shots are given by or under a vet.

Read the full rabies vaccination laws guide →

Colorado Pet Limit Laws: How Many Pets Can You Own?

Colorado has no statewide limit on household pets. Cities and counties set limits by ordinance. The state Pet Animal Care Facilities Act (PACFA) licenses breeders, kennels, groomers and shelters; small-scale breeders sell up to 99 dogs a year and large-scale breeders 100 or more.

Read the full pet limit laws guide →

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This page summarizes state statutes for general information and is not legal advice. Laws change and cities and counties often add their own rules; check the current statute and your local ordinance, or ask a licensed attorney about your situation.