Amplified music rules in Coconino County, AZ — also called sound permit, PA system, or live music ordinances — set decibel limits, time-of-day restrictions, and when permits are required.
Amplified music falls under the county nuisance ordinance in unincorporated areas and city codes elsewhere. Flagstaff's downtown entertainment district and NAU party scene make late-night amplified sound a recurring, closely watched issue.
In the unincorporated county, amplified music is governed by the general nuisance rules and A.R.S. §13-2904 disorderly conduct, enforced by the Sheriff's Office. Flagstaff is the flashpoint: its Chapter 6-08 ordinance bars noise clearly audible inside another home overnight and lets officers cite each person contributing to a disturbance at a gathering of five or more. Downtown bars and patios versus nearby residents drove a contested 2024 ordinance review and an acoustic study, with the City Council narrowly rejecting a proposed change. Outdoor public events need city permits with noise conditions.
Unincorporated amplified-noise is cited under the county nuisance ordinance or A.R.S. §13-2904 disorderly conduct, a class 1 misdemeanor up to $2,500. Flagstaff issues civil citations to each contributor at a party disturbance; unpermitted public events draw added fines.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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