Quiet hours in Mohave 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. Mohave County's Chapter 14 noise ordinance bars loud, unnecessary noise in unincorporated areas; Lake Havasu City drops residential limits to 45 dBA at 10 p.m.
Mohave County has no single quiet-hours clock. Its Chapter 14 noise ordinance makes loud, unnecessary, or offensive noise unlawful in the unincorporated county whenever it would disturb a reasonable person, and it specifically bans vehicle sound systems audible ten feet away between 10 p.m. and 7 a.m. The Sheriff's Office enforces it as a Class II misdemeanor. Incorporated cities run their own codes: Lake Havasu City lowers residential limits to 45 dBA at 10 p.m. (midnight on weekends), while Kingman and Bullhead City handle noise through their municipal codes. Statewide, A.R.S. §13-2904 backs disturbances as disorderly conduct.
In the unincorporated county, a noise violation is a Class II misdemeanor enforced by the Sheriff's Office. City penalties vary; A.R.S. §13-2904 disorderly conduct is a class 1 misdemeanor, up to $2,500 and six months.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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