Quiet Hours: Simi Valley vs Ventura
How do quiet hours rules compare between Simi Valley, CA and Ventura, CA?
Simi Valley and Ventura have similar restriction levels.
Simi Valley, CA
Ventura County
Simi Valley Municipal Code Chapter 22 establishes noise standards that prohibit excessive noise during nighttime hours in residential zones. The city enforces both qualitative nuisance standards and quantitative decibel limits measured at property boundaries.
View full Simi Valley rules →Ventura, CA
Ventura County
Ventura regulates noise under SBMC Chapter 10.650. It is unlawful to make loud, unnecessary, or unusual noise that disturbs the peace of any neighborhood. Residential properties are classified as Noise Zone II with specific decibel limits. Heavy vehicle idling near residences is prohibited between 10 PM and 7 AM.
View full Ventura rules →Key Facts Comparison
| Fact | Simi Valley | Ventura |
|---|---|---|
| Quiet Hours | 10 PM to 7 AM | - |
| Daytime Exterior Limit | 55 dBA residential | - |
| Nighttime Exterior Limit | 45 dBA residential | - |
| Enforcement | Simi Valley PD (805) 583-6950 | Ventura PD (805) 339-4400 |
| Noise Zone | - | Residential is Zone II (SBMC 10.650.130) |
| Heavy Vehicle Quiet Hours | - | 10 PM-7 AM no idling near residences |
| Measurement | - | A-weighted slow response (SBMC 10.650.140) |
| Code | - | SBMC Chapter 10.650 |
Highlighted rows indicate differences between cities.
Simi Valley FAQ
What are the quiet hours in Simi Valley?
Nighttime noise restrictions apply from 10 PM to 7 AM. Residential exterior noise must stay below 45 dBA during these hours, compared to 55 dBA during the daytime period.
How do I file a noise complaint in Simi Valley?
Contact the Simi Valley Police Department non-emergency line at (805) 583-6950 to report noise disturbances. Officers can respond and issue citations for violations.
What is the penalty for violating noise limits?
Infraction fines range from $100 for first offense to $500 for third offense within 12 months. Persistent violations may be prosecuted as misdemeanors.
Ventura FAQ
What are the quiet hours in Ventura?
Heavy vehicle idling near residences is specifically restricted between 10 PM and 7 AM. General noise disturbances are prohibited at all times, with enforcement considering the time of day and impact on residents.
How do I file a noise complaint in Ventura?
Contact the Ventura Police Department non-emergency line at (805) 339-4400 for after-hours noise complaints, or Code Enforcement at (805) 654-7869 during business hours.
What decibel level is too loud in Ventura?
Ventura uses a zone-based system under SBMC 10.650.130. Residential areas are Noise Zone II. Sound levels are measured with A-weighted meters, and violations consider multiple environmental factors including time of day and proximity to sleeping areas.
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