Dearborn, MI Noise Ordinances: Quiet Hours (2026)

and sets the baseline for every hour-based prohibition in Article II of Chapter 13. Section 13-43 makes it unlawful to create any 'unreasonably loud, disturbing, unusual or unnecessary noise' that disturbs the comfort, repose, health, peace or safety of others anywhere in the city. Section 13-45(1) applies that general rule specifically to radios, television sets, phonographs, drums, musical instruments and similar devices: operating or playing one so it produces or reproduces sound that creates a noise disturbance across a residential or commercial real property line during nighttime hours is a violation.

window to loudspeakers and amplified sound. Neither subsection requires a decibel-meter reading; the standard is whether the sound crosses the property line and disturbs a listener there, unlike the numeric dB(A) table in § 13-44 that governs steady industrial and commercial noise. Section 13-46 exempts emergency alerts, emergency utility repair work, city-permitted outdoor events such as dances and shows, and temporary construction covered by a City Engineer or Building Official permit issued on 24 hours' notice. Section 13-47 sets the penalty ladder for the whole article: a $100 civil infraction for a first offense, $200 for a second within six months, and a misdemeanor carrying a $250 fine and up to 45 days in jail for a third, rising to $500 and up to 90 days for a fourth and subsequent offense within six months of the prior one.