Quiet hours in Mission Viejo, CA — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Mission Viejo Municipal Code Title 11 establishes nighttime quiet hours from 10 PM to 7 AM. Noise that disturbs the peace of a reasonable person during these hours is subject to citation by the OC Sheriff or Code Enforcement.
MVMC Chapter 11.04 regulates noise disturbances throughout the city. Nighttime quiet hours run from 10 PM to 7 AM, during which any noise audible beyond the property boundary that would disturb a reasonable person is a violation. As a master-planned community with extensive HOA governance, many neighborhoods have additional noise restrictions in CC&Rs that may be stricter than the municipal code. During daytime hours (7 AM to 10 PM), unreasonably loud or disturbing noise remains subject to enforcement if it interferes with neighbors' peaceful enjoyment. Mission Viejo contracts with the Orange County Sheriff's Department for law enforcement, so noise complaints are handled by OC Sheriff deputies. Code Enforcement at (949) 470-3054 handles daytime noise investigations. After-hours noise complaints go to OC Sheriff non-emergency at (949) 770-6011. The city's primarily residential character means noise standards are applied uniformly across most areas.
Noise violations under MVMC Title 11 are infractions. First offense typically results in a warning. Repeated violations may result in administrative citations with fines starting at $100 and escalating to $500 for subsequent offenses within 12 months.
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