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πŸ”Š Noise Ordinances/Quiet Hours

Quiet Hours: Simi Valley vs Thousand Oaks

How do quiet hours rules compare between Simi Valley, CA and Thousand Oaks, CA?

Simi Valley and Thousand Oaks have similar restriction levels.

Simi Valley, CA

Ventura County

Some Restrictions

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 β†’

Thousand Oaks, CA

Ventura County

Some Restrictions

Radios, TVs, and sound devices audible beyond 50 feet from property line are prohibited 9 PM–7 AM in residential zones. Powered equipment (lawn mowers, leaf blowers) also prohibited during those hours. TOMC Ch. 5-21.

View full Thousand Oaks rules β†’

Key Facts Comparison

FactSimi ValleyThousand Oaks
Quiet Hours10 PM to 7 AM9 PM – 7 AM
Daytime Exterior Limit55 dBA residential-
Nighttime Exterior Limit45 dBA residential-
EnforcementSimi Valley PD (805) 583-6950-
Distance Limit-50 feet from property line
Zones-Residential zones
Code-TOMC Sec. 5-21.01 – 5-21.03

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.

Thousand Oaks FAQ

What are the quiet hours in Thousand Oaks?

Thousand Oaks Municipal Code Chapter 4-3 restricts unreasonable noise. Noise audible beyond the property line that disturbs residents is prohibited, with heightened enforcement between 10 PM and 7 AM.

How do I file a noise complaint in Thousand Oaks?

Call the Thousand Oaks Police Department non-emergency line at (805) 494-8200 for immediate disturbances. For ongoing issues, contact Code Enforcement at (805) 449-2100.

Can the city measure noise levels at my property?

Yes. Code enforcement officers can take noise readings. The city uses decibel measurements at property lines to document violations of Chapter 4-3 standards.

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