Quiet hours in Mobile, AL — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Mobile enforces decibel-based noise limits under Chapter 39 of the city code. Residential areas have an 85 dBA limit during daytime (6 AM–10 PM) and a much stricter 50 dBA limit from 10 PM to 6 AM.
Mobile's noise ordinance (Chapter 39, Article IV) sets specific decibel limits for residential zones. Daytime noise (6 AM to 10 PM) must not exceed 85 dBA. Nighttime noise (10 PM to 6 AM) is limited to 50 dBA, a significantly lower threshold. Noise measured at the property line of the receiving property determines violations. The ordinance covers amplified music, vehicle noise, loud gatherings, and other disturbances. The Mobile Police Department responds to noise complaints. Waivers of the noise ordinance are available for special events.
Noise violations are treated as disorderly conduct under Chapter 39. Violations are misdemeanors punishable by fines and potential arrest for repeat offenders.
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See how Mobile's quiet hours rules stack up against other locations.
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