Vehicle Noise: Oxnard vs Simi Valley
How do vehicle noise rules compare between Oxnard, CA and Simi Valley, CA?
Oxnard and Simi Valley have similar restriction levels.
Oxnard, CA
Ventura County
Vehicle noise in unincorporated Ventura County is regulated by California Vehicle Code Section 27007 (95 dBA modified exhaust limit) and the county's general noise ordinance. The Ventura County Sheriff enforces vehicle noise through traffic stops and complaint response.
View full Oxnard rules →Simi Valley, CA
Ventura County
Vehicle noise in unincorporated Ventura County is regulated by California Vehicle Code Section 27007 (95 dBA modified exhaust limit) and the county's general noise ordinance. The Ventura County Sheriff enforces vehicle noise through traffic stops and complaint response.
View full Simi Valley rules →Key Facts Comparison
| Fact | Oxnard | Simi Valley |
|---|---|---|
| Exhaust Limit | 95 dBA (CVC 27007) | 95 dBA (CVC 27007) |
| Stereo Threshold | Audible beyond 50 feet | Audible beyond 50 feet |
| Street Racing Penalty | Misdemeanor, $1,000 fine, vehicle impound | Misdemeanor, $1,000 fine, vehicle impound |
| Enforcement | Ventura County Sheriff (805) 654-9511 | Ventura County Sheriff (805) 654-9511 |
| Fix-It Ticket | $25 correctable, $197 if not corrected | $25 correctable, $197 if not corrected |
Highlighted rows indicate differences between cities.
Oxnard FAQ
Are loud exhaust modifications legal in unincorporated Ventura County?
California Vehicle Code 27007 limits exhaust noise to 95 dBA statewide. Modified exhausts exceeding this are illegal. The Sheriff can issue fix-it tickets requiring correction.
Can I report loud vehicles?
Call the Ventura County Sheriff at (805) 654-9511. For recurring issues like street racing on rural roads, request extra patrol in your area.
What about off-road vehicle noise?
Off-highway vehicles on private property in rural unincorporated areas may generate noise complaints. Standard county noise limits apply, though agricultural zones have higher thresholds.
Simi Valley FAQ
Are loud exhaust modifications legal in unincorporated Ventura County?
California Vehicle Code 27007 limits exhaust noise to 95 dBA statewide. Modified exhausts exceeding this are illegal. The Sheriff can issue fix-it tickets requiring correction.
Can I report loud vehicles?
Call the Ventura County Sheriff at (805) 654-9511. For recurring issues like street racing on rural roads, request extra patrol in your area.
What about off-road vehicle noise?
Off-highway vehicles on private property in rural unincorporated areas may generate noise complaints. Standard county noise limits apply, though agricultural zones have higher thresholds.
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