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Colorado criminal charge

Unlawful ownership of dangerous dog in Colorado

Current through 2026 Colorado legislative session

Unlawful ownership of dangerous dog is a criminal offense under Colorado law, defined by C.R.S. § 18-9-204.5. Its classification is not fixed: Colorado assigns a different penalty class depending on the circumstances of the offense. The class that applies — and the sentencing range that follows from it — depends on which statutory variant fits the facts.

Defined by C.R.S. § 18-9-204.5.

What is the penalty for unlawful ownership of dangerous dog in Colorado?

Penalties for Unlawful ownership of dangerous dog
PenaltyRangeBasisAuthority
Jail / prisonup to 120 days (Bodily injury to a person — An owner violates (3)(a) and the owner's dangerous dog inflicts bodily injury upon a person.)discretionaryC.R.S. § 18-1.3-501
Fineup to $750 (Bodily injury to a person — An owner violates (3)(a) and the owner's dangerous dog inflicts bodily injury upon a person.)discretionaryC.R.S. § 18-1.3-501
Jail / prisonup to 364 days (Serious bodily injury to a person (first offense) — An owner violates (3)(a) and the owner's dangerous dog inflicts serious bodily injury upon a person.)discretionaryC.R.S. § 18-1.3-501
Fineup to $1,000 (Serious bodily injury to a person (first offense) — An owner violates (3)(a) and the owner's dangerous dog inflicts serious bodily injury upon a person.)discretionaryC.R.S. § 18-1.3-501
Jail / prison12 months to 18 months (Serious bodily injury to a person (second or subsequent offense) — An owner is involved in a second or subsequent violation of (3)(c), i.e., the dog inflicts serious bodily injury upon a person again.)presumptiveC.R.S. § 18-1.3-401
Fine$1,000 to $100,000 (Serious bodily injury to a person (second or subsequent offense) — An owner is involved in a second or subsequent violation of (3)(c), i.e., the dog inflicts serious bodily injury upon a person again.)discretionaryC.R.S. § 18-1.3-401
Parole / supervision1 years to 1 years (Serious bodily injury to a person (second or subsequent offense) — An owner is involved in a second or subsequent violation of (3)(c), i.e., the dog inflicts serious bodily injury upon a person again.; mandatory parole)mandatoryC.R.S. § 18-1.3-401
Jail / prison1 years to 3 years (Death of a person — An owner violates (3)(a) and the owner's dangerous dog causes the death of a person.)presumptiveC.R.S. § 18-1.3-401
Fine$1,000 to $100,000 (Death of a person — An owner violates (3)(a) and the owner's dangerous dog causes the death of a person.)discretionaryC.R.S. § 18-1.3-401
Parole / supervision2 years to 2 years (Death of a person — An owner violates (3)(a) and the owner's dangerous dog causes the death of a person.; mandatory parole)mandatoryC.R.S. § 18-1.3-401
Jail / prisonup to 120 days (Injury or death of a domestic animal — An owner violates (3)(a) and the owner's dangerous dog injures or causes the death of any domestic animal.)discretionaryC.R.S. § 18-1.3-501
Fineup to $750 (Injury or death of a domestic animal — An owner violates (3)(a) and the owner's dangerous dog injures or causes the death of any domestic animal.)discretionaryC.R.S. § 18-1.3-501

Applies to offenses on/after 2022-03-01 (SB21-271).

How is unlawful ownership of dangerous dog classified in Colorado?

The classification depends on the circumstances:

Classification variants for Unlawful ownership of dangerous dog
VariantClassificationWhen it appliesStatute
Bodily injury to a personClass 2 MisdemeanorAn owner violates (3)(a) and the owner's dangerous dog inflicts bodily injury upon a person.18-9-204.5(3)(b)
Serious bodily injury to a person (first offense)Class 1 MisdemeanorAn owner violates (3)(a) and the owner's dangerous dog inflicts serious bodily injury upon a person.18-9-204.5(3)(c)
Serious bodily injury to a person (second or subsequent offense)Class 6 FelonyAn owner is involved in a second or subsequent violation of (3)(c), i.e., the dog inflicts serious bodily injury upon a person again.18-9-204.5(3)(c)
Death of a personClass 5 FelonyAn owner violates (3)(a) and the owner's dangerous dog causes the death of a person.18-9-204.5(3)(d)
Injury or death of a domestic animalClass 2 MisdemeanorAn owner violates (3)(a) and the owner's dangerous dog injures or causes the death of any domestic animal.18-9-204.5(3)(e)(I)

Common questions about unlawful ownership of dangerous dog in Colorado

Is unlawful ownership of dangerous dog a felony or a misdemeanor in Colorado?

It depends on the circumstances: unlawful ownership of dangerous dog ranges from a Class 2 Misdemeanor to a Class 5 Felony in Colorado under C.R.S. § 18-9-204.5.

Bodily injury to a person: Class 2 Misdemeanor (C.R.S. § 18-9-204.5(3)(b)) · Serious bodily injury to a person (first offense): Class 1 Misdemeanor (C.R.S. § 18-9-204.5(3)(c)) · Serious bodily injury to a person (second or subsequent offense): Class 6 Felony (C.R.S. § 18-9-204.5(3)(c)) · Death of a person: Class 5 Felony (C.R.S. § 18-9-204.5(3)(d)) · Injury or death of a domestic animal: Class 2 Misdemeanor (C.R.S. § 18-9-204.5(3)(e)(I))

What are the penalties for unlawful ownership of dangerous dog in Colorado?

Penalties for unlawful ownership of dangerous dog in Colorado depend on how it is classified — from a Class 2 Misdemeanor up to a Class 5 Felony — with the ranges set by C.R.S. § 18-1.3-501 and C.R.S. § 18-1.3-401; the full table of ranges by variant is published on this page.

Which Colorado statute covers unlawful ownership of dangerous dog?

Unlawful ownership of dangerous dog is governed by C.R.S. § 18-9-204.5 (Unlawful ownership of dangerous dog - legislative declaration - definitions).

Legal terms used in this law

This reference is informational and is not legal advice. Penalty ranges are the statutory classification ranges; sentencing in a specific case depends on its facts and history.