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Coconino County, AZ Noise Ordinances: Quiet Hours (2026)

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

Quiet hours in Coconino County, AZ, also called the noise ordinance, nighttime noise rules, or residential quiet time, define the hours during which excessive noise is prohibited.

Key Facts

Flagstaff Nights
Midnight–6 AM weekdays
Flagstaff Weekends
1 AM–7 AM
Unincorporated
Sheriff, nuisance ordinance
State Law
A.R.S. §13-2904

Summary

Arizona sets no statewide decibel limit, so noise runs on local rules. Unincorporated Coconino County handles it through disorderly conduct and its nuisance ordinance; Flagstaff, a NAU college town, runs a detailed late-night noise ordinance.

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.

A person commits disorderly conduct if, with intent to disturb the peace or quiet of a neighborhood, family or person, or with knowledge of doing so, such person ... Makes unreasonable noise

Source: Arizona Revised StatutesView official code

Full Breakdown

Coconino County has no countywide quiet-hours clock. In the unincorporated county, loud disturbances are handled through the county's public nuisance ordinance and A.R.S. §13-2904 disorderly conduct, enforced by the Coconino County Sheriff's Office. Flagstaff, the county seat and home to Northern Arizona University, runs a strict late-night ordinance under City Code Chapter 6-08: it is unlawful to make noise clearly audible inside another residential unit from midnight to 6 a.m. weekdays and 1 a.m. to 7 a.m. weekends, and officers can cite anyone contributing to a disturbance at a gathering of five or more. Sedona and Page set their own codes.

Violations & Fines

Unincorporated disturbances are cited under the county nuisance ordinance or A.R.S. §13-2904 disorderly conduct, a class 1 misdemeanor up to $2,500 and six months. Flagstaff issues civil citations to each person contributing to a party disturbance.

Frequently Asked Questions

Does Coconino County have set quiet hours?
Not countywide. Unincorporated noise is handled as disorderly conduct or a nuisance. Flagstaff sets late-night hours: audible-inside-a-home noise is barred from midnight weekdays and 1 a.m. weekends.
Who do I call about a loud party?
In the unincorporated county, the Coconino County Sheriff's Office non-emergency line. Inside Flagstaff, Sedona, or Page, call that city's police non-emergency line.

Sources & Official References

Other rules in Coconino County

Fence Regulations: Height LimitsSome RestrictionsParking Rules: RV & Boat ParkingSome RestrictionsBarking DogsSome RestrictionsDecibel LimitsSome RestrictionsAmplified Music & Outdoor SoundSome RestrictionsParking Rules: Loading ZonesSome RestrictionsParking Rules: Driveway RulesFew RestrictionsParking Rules: Commercial & Oversized VehiclesSome RestrictionsParking Rules: Abandoned VehiclesSignificant Restrictions

All Coconino County rules

How Coconino County compares: Cities with the Strictest Noise Ordinances·Compare Coconino County to another location·View the Arizona noise ordinances overview

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