Quiet hours in Riverside, CA — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Riverside enforces nighttime quiet hours from 10:00 PM to 7:00 AM under Riverside Municipal Code Chapter 7.35, with residential noise limits measured at the property line.
The City of Riverside regulates nighttime noise under Riverside Municipal Code (RMC) Title 7, Chapter 7.35 (Noise Control). General quiet hours run from 10:00 PM to 7:00 AM, during which no person shall make, continue, or cause to be made any loud, unnecessary, or unusual noise that disturbs the peace or quiet of any neighborhood. Maximum exterior noise levels in residential zones are 55 dBA daytime and 45 dBA nighttime, measured at the receiving property line. Plainly audible amplified sound from a residence after 10:00 PM is a common basis for citation. Enforcement is handled by the Riverside Police Department (951-354-2007 non-emergency); repeat-offender fines follow the standard California administrative citation schedule ($100 first, $200 second, $500 third within 12 months).
First-offense administrative citations start at $100 with escalating fines up to $500 for repeat violations within a 12-month period; criminal misdemeanor charges are possible for willful repeat disturbances under RMC 1.01.110.
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Side-by-side rule comparisons with other cities in Riverside County.
See how other cities in Riverside County handle quiet hours.
See how Riverside's quiet hours rules stack up against other locations.
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