Outdoor Music: Lancaster vs Pomona
How do outdoor music rules compare between Lancaster, CA and Pomona, CA?
Pomona has fewer restrictions than Lancaster.
Lancaster, CA
Los Angeles County
LA County Code Chapter 12.08 restricts amplified sound and outdoor music in unincorporated areas to the same exterior noise standards by zone. Loudspeakers and amplified devices are specifically regulated under Section 12.08.450.
View full Lancaster rules →Pomona, CA
Los Angeles County
Pomona City Code Section 18-312 prohibits music or any sound that is plainly audible more than 50 feet from its source between 10 PM and 7 AM, and audible from 150 feet between 7 AM and 10 PM.
View full Pomona rules →Key Facts Comparison
| Fact | Lancaster | Pomona |
|---|---|---|
| Code Section | §12.08.450 | §18-312 |
| Residential Limit | 50 dBA day / 45 dBA night | - |
| Measurement | At property line | - |
| Fine | Up to $1,000 | - |
| Night (10 PM–7 AM) | - | Not audible beyond 50 ft |
| Day (7 AM–10 PM) | - | Not audible beyond 150 ft |
| Penalty | - | Infraction or misdemeanor |
Highlighted rows indicate differences between cities.
Lancaster FAQ
Can I play amplified music outdoors in unincorporated LA County?
Yes, but the sound cannot exceed exterior noise standards at the neighboring property line — 50 dBA during the day and 45 dBA at night in residential zones under Section 12.08.450.
Do I need a permit for an outdoor event with music?
Large outdoor events with amplified sound in unincorporated LA County may require a temporary use permit from the Department of Regional Planning, especially if attendance exceeds normal gathering sizes.
Pomona FAQ
Can I play loud music outside in Pomona?
Music must not be audible beyond 150 feet during the day (7 AM-10 PM) or 50 feet at night (10 PM-7 AM) per Section 18-312.
What happens if I violate the outdoor music rules?
Violations may be charged as infractions (fines up to $250) or misdemeanors (fines up to $1,000) at the discretion of the city attorney.
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