What is the residential decibel limit in Baltimore, MD?

Daytime limit: 55 dB (between residential properties), 61 dB (residential to manufacturing), 58 dB (residential to commercial). Nighttime limit: 55 dB (between residential properties), 61 dB (residential to manufacturing), 58 dB (residential to commercial). Decibel limits are measured at the property line. The ordinance mentions nighttime sound reductions but specific numerical day/night limits for these inter-zone boundaries are not explicitly provided in the available sources. Short, louder sounds are permitted for limited durations (e.g., 5 dB for 12 mins, 10 dB for 3 mins, or 15 dB for 30 secs in any 1-hour period). Air conditioners can be up to 70 dB, and heat pumps up to 75 dB at the residential property line.

Who do I call for a noise complaint in Baltimore, MD?

For non-emergencies, contact the police at 311. For code violations, contact Code Enforcement at 311 (Noise complaints are handled by the Police Department and/or Baltimore City Health Department).

Baltimore, MD Noise Ordinance

Quiet Hours: 10PM-7AM weeknights, 12AM-7AM weekends

Residential Decibel Limit: 55 dB (between residential properties), 61 dB (residential to manufacturing), 58 dB (residential to commercial) (Day) / 55 dB (between residential properties), 61 dB (residential to manufacturing), 58 dB (residential to commercial) (Night)

Summary: Baltimore, MD's noise ordinance, primarily under City Code Article 19, regulates sound levels based on zoning. General noisy hours are 7AM-9PM weekdays and 10AM-10PM weekends/holidays, with quiet hours applying outside these times. Decibel limits vary by zone and specific activity. Violations, including for loud parties, can result in civil citations and fines.

Local Noise Laws

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