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Coconino County, AZ Animal Ordinances: Chickens & Livestock (2026)

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

Key Facts

County Zoning
Sets district limits
Open Range
Fence-out (§3-1427)
Flagstaff Hens
Allowed, no roosters
Predators
Bears and lions

Summary

Backyard poultry and livestock are ordinary on Coconino County's large rural lots, where the zoning ordinance sets what each district allows. Much of the county is open range, and bears and mountain lions make secure enclosures essential.

These county ordinances apply to unincorporated areas of Coconino County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

An owner or occupant of land is not entitled to recover for damage resulting from the trespass of animals unless the land is enclosed within a lawful fence, but this section shall not apply to owners or occupants of land in no-fence districts.

Source: Arizona Revised StatutesView official code

Full Breakdown

Keeping hens, horses, goats, and cattle is a normal rural use across unincorporated Coconino County, subject to the zoning district that fixes lot size, setbacks, and animal counts; Flagstaff itself permits a limited backyard flock, roosters aside. Much of rural Arizona is open range under A.R.S. §3-1427: a fence-out system where a landowner who wants livestock kept off must fence them out, while designated no-fence districts flip that duty. Sanitation and containment are the owner's job, and a crowing rooster or manure odor can still be abated as a private nuisance. Black bears, mountain lions, and coyotes make predator-proof coops and night enclosures essential.

Violations & Fines

Animals kept outside what the zoning district allows can draw a county correction order. A persistent rooster or odor nuisance can be abated in civil court, and loose livestock exposes the owner to liability.

Frequently Asked Questions

Can I keep chickens or a horse?
Yes, on lots zoned for it. The Coconino County zoning district fixes minimum lot size, setbacks, and animal counts. Flagstaff allows backyard hens but not roosters.
Do I have to fence my animals?
Yes: containment is your job. Much of rural Arizona is open range, a fence-out system under §3-1427, but counties set no-fence districts, and loose livestock creates liability.

Sources & Official References

Other rules in Coconino County

All Coconino County rules

How Coconino County compares: Best Cities for Backyard Chickens·Compare Coconino County to another location·View the Arizona animal ordinances overview

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