Amplified music rules in Costa Mesa, CA — also called sound permit, PA system, or live music ordinances — set decibel limits, time-of-day restrictions, and when permits are required.
Costa Mesa regulates amplified music under CMMC Chapter XIII noise control. Music and sound-producing devices must comply with exterior noise standards at the property line. Events with amplified sound may need special permits.
Under CMMC Chapter XIII, amplified music and sound-producing devices are subject to the exterior noise standards in Section 13-280. Music must not exceed the applicable decibel limits at the nearest residential property line. It is unlawful to willfully make or continue loud, unnecessary noise that disturbs the peace of any neighborhood. The development services director may grant temporary waivers for special events with amplified sound. Commercial entertainment venues near residential zones must comply with property-line noise limits. The Costa Mesa Police Department responds to immediate noise disturbances involving amplified music. Code Enforcement handles ongoing complaints from persistent noise sources.
Amplified music exceeding noise standards is subject to administrative fines. Commercial venues with repeated violations may face business license review. Event permits may be revoked.
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Side-by-side rule comparisons with other cities in Orange County.
See how other cities in Orange County handle amplified music & events.
See how Costa Mesa's amplified music & events rules stack up against other locations.
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