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.
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.
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.
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.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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