Skip to main content
CityRuleLookup

Arapahoe County, CO Animal Ordinances: Dog Leash Laws (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified April 2026

Key Facts

Authority
Resolution No. 25-140
Control Required
Physical or voice control
Owner Presence
Required off property
Tied Dogs
At large in common areas
Rabies
Vaccination required at 4 mo.

Summary

Unincorporated Arapahoe County requires dogs to be under physical or voice control at all times per Animal Services Resolution No. 25-140. Dogs not under control are considered 'at large.' The Sheriff's Animal Services division enforces animal regulations.

City-specific rules exist: Aurora, and Centennial have their own dog leash laws rules that differ from Arapahoe County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

governments, governmental subdivisions or governmental agencies. K. "Pet Animal" means an animal as defined in 30-15-101(3), C.R.S., as amended. L. "Physical Control" means a dog is on a leash, rope or other means of physical restraint by a person physically capable of handling such dog so that freedom of the dog's movement is restricted. M. “Voice Control” means a dog is immediately and reliably obedient to any voice or sound command given by an owner or keeper who is able to prevent the dog from charging, chasing, or otherwise disturbing or interfering with any person, pet animal, livestock, or wildlife, regardless of the distance involved or the presence of any distraction or provocation. Section 2: Rabies Vaccination Required A.

Source: Resolution No. 25-140View official code

Full Breakdown

Under Resolution No. 25-140, dogs in unincorporated Arapahoe County must be under physical control (leash, rope, or restraint) or voice control (immediately responsive to commands) at all times when off their owner's property. A dog is considered 'at large' when not under physical or voice control on public property, on private property without the owner's permission, or in violation of county open space or trail signage requirements. Dogs tied in common areas are also considered at large. The owner must be present at all times when a dog is not in its own yard. Animal Services Officers under the Sheriff's Office enforce these regulations in unincorporated Arapahoe County, Deer Trail, and Foxfield.

Violations & Fines

Penalties assessed per the resolution's schedule. Each incident is a separate offense. Injuries caused by at-large dogs may be classified as Class 2 misdemeanors.

Frequently Asked Questions

Do I have to keep my dog on a leash in Arapahoe County?
Unincorporated Arapahoe County requires dogs to be under physical or voice control at all times per Animal Services Resolution No. 25-140. Dogs not under control are considered 'at large.' The Sheriff's Animal Services division enforces animal regulations.
What is the maximum leash length in Arapahoe County?
Authority: Resolution No. 25-140. Control Required: Physical or voice control. Owner Presence: Required off property. Tied Dogs: At large in common areas.

Sources & Official References

Other rules in Arapahoe County

All Arapahoe County rules

Compare Arapahoe County to another location·View the Colorado animal ordinances overview

Get notified when Dog Leash Laws in Arapahoe County, CO changes

We'll email you the moment we detect a change in the code. No spam, unsubscribe anytime.

We'll never sell or share your email. One-click unsubscribe in every email.

See something wrong?

Help us keep this page accurate. If you notice an error or outdated information, let us know.

Dog Leash Laws in Cities Across Arapahoe County