5 county-level rules, plus city-specific rules for 1 city in Mohave County, Arizona.
Verified from official government sources
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 Code § 14-21
It is unlawful for any person to knowingly or recklessly make or cause to be made or continued, in the unincorporated limits of the county, any loud or unnecessary or offensive noise or any noise which may reasonably be anticipated to annoy, disturb, injure or endanger the comfort, slumber, peace, health or safety of any reasonable person or persons of normal sensitivity, whether due to volume ...
Mohave County has no dedicated construction-hours ordinance for unincorporated areas; job-site noise falls under the general Chapter 14 rules. Cities set their own hours, and Lake Havasu City issues temporary permits for after-hours construction noise.
Persistent barking is treated as a noise nuisance in Mohave County. Animal control and the Sheriff's Office handle complaints in unincorporated areas; documented, repeated barking can bring a citation under the noise ordinance.
A.R.S. § 13-2904
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
Mohave County and its cities don't ban leaf blowers or gas-powered equipment. They're limited only by the general noise ordinance, so off-hours use near homes can still draw a disturbance complaint.
Amplified music and party noise fall under Mohave County's Chapter 14 ordinance in unincorporated areas and city codes elsewhere. Vehicle audio audible ten feet away is banned from 10 p.m. to 7 a.m.
Mohave County Code § 14-21
The operation of any such sound production or reproduction device, radio, musical instrument, or any music reproduction device between the hours of 10:00 p.m. and 7:00 a.m. in such a manner as to be plainly audible at a distance of ten feet from the vehicle in which it is located is prohibited.
1 cities in Mohave County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.
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