Outdoor music, live bands, and speakers on residential property fall under Baltimore County's domestic-noise ban (§ 17-3-103) when they 'unreasonably disturb' neighbors, plus Maryland COMAR dB limits of 65 dBA daytime and 55 dBA nighttime at the property line.
Outdoor music at a home or backyard event is treated as domestic noise under Baltimore County Code § 17-3-103, which bans sound that unreasonably disturbs neighboring inhabitants. Maryland COMAR 26.02.03 adds numeric caps: 65 dBA at a residential property daytime (7 a.m.–10 p.m.) and 55 dBA nighttime. Repetitive bass or discrete tones face a 5 dBA stricter limit. Commercial venues or events may require noise-permit approval and are measured against the receiving property's zone limit.
Police may cite a domestic-noise violation under § 17-3-103 (up to $500); COMAR breaches draw state environmental enforcement.
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See how Baltimore County's outdoor music rules stack up against other locations.
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