Quiet hours in Chula Vista, CA — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Chula Vista's quiet hours are effectively 10 PM to 7 AM on weekdays and 10 PM to 8 AM on weekends, when lower nighttime noise limits apply under CVMC 19.68. The Loud Party Ordinance has enhanced enforcement between 11 PM and 8 AM.
Chula Vista establishes quiet periods through two overlapping provisions. CVMC Chapter 19.68 sets lower nighttime noise limits from 10:00 PM to 7:00 AM on weekdays and 10:00 PM to 8:00 AM on weekends (45 dBA for single-family residential zones, compared to 55 dBA during daytime). The Loud Party and Social Host Ordinance (CVMC 17.24.050) has enhanced enforcement for amplified noise between 11:00 PM and 8:00 AM. Construction activities are prohibited during nighttime hours under CVMC 19.68.050. The noise ordinance was enacted to protect public health and welfare from excessive noise. During quiet hours, any noise that exceeds the nighttime decibel limits at the receiving property line is a violation, regardless of the source. The Chula Vista Police Department responds to noise complaints during all hours at (619) 691-5151.
Noise violations during quiet hours are subject to citation under CVMC 19.68 and 17.24. The Loud Party Ordinance provides escalating penalties: warning, then fines, then potential criminal charges for repeat offenders.
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