Quiet Hours: Camarillo vs Simi Valley
How do quiet hours rules compare between Camarillo, CA and Simi Valley, CA?
Camarillo and Simi Valley have similar restriction levels.
Camarillo, CA
Ventura County
Camarillo Municipal Code Chapter 10.34 sets exterior noise limits of 55 dBA during the day (7 AM-9 PM) and 45 dBA at night (9 PM-7 AM) for residential zones. The ordinance prohibits any sound source that raises the ambient noise level by 5 dBA or more at the property line of the receiving property.
View full Camarillo rules →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 →Key Facts Comparison
| Fact | Camarillo | Simi Valley |
|---|---|---|
| Residential Daytime Limit | 55 dBA (7 AM-9 PM) | - |
| Residential Nighttime Limit | 45 dBA (9 PM-7 AM) | - |
| Ambient Exceedance Standard | 5 dBA above ambient | - |
| Interior Night Limit | 40 dBA (common-wall units) | - |
| Code Section | CMC Ch. 10.34 | - |
| 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 |
Highlighted rows indicate differences between cities.
Camarillo FAQ
What are the quiet hours in Camarillo?
The stricter nighttime noise limits of 45 dBA for residential zones apply from 9 PM to 7 AM under CMC Section 10.34.040. Daytime limits are 55 dBA. Many Camarillo HOAs impose additional quiet hours beyond these city standards.
How is noise measured under Camarillo's ordinance?
Noise is measured in A-weighted decibels (dBA) at the property line of the receiving property per Section 10.34.070. Measurements use either a one-minute average (Leq) or the level exceeded 50% of the time in one hour (L50).
Who enforces noise complaints in Camarillo?
The Director of Community Development and enforcement officers enforce Chapter 10.34. File complaints with the Camarillo Police (Ventura County Sheriff) at (805) 388-5100 or Community Development at (805) 388-5360.
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.
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