Outdoor Music: Castro Valley vs San Leandro
How do outdoor music rules compare between Castro Valley, CA and San Leandro, CA?
Castro Valley and San Leandro have similar restriction levels.
Castro Valley, CA
Alameda County
Outdoor music in unincorporated Alameda County requires compliance with residential decibel limits and typically a temporary use or special event permit for amplified gatherings over a set attendance threshold.
View full Castro Valley rules →San Leandro, CA
Alameda County
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.
View full San Leandro rules →Key Facts Comparison
| Fact | Castro Valley | San Leandro |
|---|---|---|
| Daytime cap | 60 dBA residential | - |
| Weekday end time | 10pm typical | - |
| Weekend end time | 11pm typical | - |
| Large event permit | Temporary Use Permit | - |
| Winery venues | Separate agricultural rules | - |
| Code Section | - | SLMC 4-1-1110 |
| Electronic Amplification Quiet Hours | - | 10:00 p.m. to 9:00 a.m. |
| Live Music Quiet Hours | - | 10:00 p.m. to 8:00 a.m. |
| Permit Path | - | Special Event Permit (City Manager) |
| Property-line Limit | - | Ambient + 5 dB |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Can restaurants host outdoor bands?
Only with a conditional use permit or as allowed by their existing entitlement. Ad hoc outdoor amplification is not permitted without approval.
Are acoustic performers exempt?
Non-amplified acoustic music is generally exempt if it stays within general noise limits.
San Leandro FAQ
Can I play amplified music at a San Leandro park?
Not between 10 p.m. and 9 a.m. without a Special Event Permit. SLMC 4-1-1110 prohibits radios, loudspeakers, and other electronic amplification in public parks and streets during those hours. Daytime use must still comply with the ambient-plus-5-dB limit.
Do I need a permit for outdoor live music at my San Leandro restaurant?
Yes if the venue is on public property or a sidewalk; private-property restaurants need a use permit and must keep sound at or below 5 dB above ambient at the nearest residential property line. Live music after 10 p.m. is prohibited under SLMC 4-1-1110.
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