Under San Leandro Municipal Code Article 11, the use of electronic sound-amplifying equipment in any public street, park, or open area is unlawful between 10:00 p.m. and 9:00 a.m. Band or orchestral concerts, rehearsals, or practice between 10:00 p.m. and 8:00 a.m. are prohibited where the sound is loud enough to disturb persons of ordinary sensitivity.
SLMC 4-1-1110 prohibits use of any radio, phonograph, loudspeaker, sound truck, or similar electronic amplifying device on public streets, parks, or open areas between 10 p.m. and 9 a.m. For live music (band or orchestral), the prohibited window is 10 p.m. to 8 a.m. Outdoor amplified events on private property must additionally comply with the ambient-plus-5-dB standard at the property line. Special outdoor events with amplified sound on city property require a Special Event Permit through the City Manager's office. The Marina Bandstand and Lake Chabot concerts operate under City-issued event permits that pre-authorize amplified sound within posted hours.
Each occurrence is treated as a separate violation. First offense is an infraction (up to $100); repeat offenses within 12 months can be charged as misdemeanors with up to $1,000 fines and/or six months in jail. Equipment used in violation may be seized as evidence.
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