Amplified music rules in Brentwood, CA — also called sound permit, PA system, or live music ordinances — set decibel limits, time-of-day restrictions, and when permits are required.
Amplified music audible beyond the property line after 10:00 PM is prohibited in Brentwood under BMC Chapter 9.32. Outdoor events with amplified sound require a Special Event Permit from the city, and commercial venues in the downtown area operate under conditional use permit noise limits.
Amplified music in Brentwood is regulated under Municipal Code Chapter 9.32 and, for commercial venues, through conditional use permits issued by the Planning Commission. Residential amplified music that is plainly audible at 50 feet from the source, or beyond the property line after 10:00 PM (8:00 AM Sunday), constitutes a violation. Downtown Brentwood venues and restaurants with outdoor patios operate under CUP-specified hours and decibel limits, commonly requiring amplified music to end by 10:00 PM Sunday-Thursday and 11:00 PM Friday-Saturday. Outdoor events at venues like the Streets of Brentwood, City Park, or private residences that use amplified sound require a Special Event Permit from the City Clerk. Brentwood's own events (Concerts in the Park at City Park, the Cornfest, Brentwood Corn Festival) operate under city-issued permits that temporarily raise limits. Repeat violations can trigger CUP review and potential revocation.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in Contra Costa County.
See how other cities in Contra Costa County handle amplified music & events.
See how Brentwood's amplified music & events rules stack up against other locations.
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