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Ventura County, CA Parking Rules: Commercial & Oversized Vehicles (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Oversized threshold
Exceeds 25ft L / 7ft W / 8ft H
Penalty
$30 civil penalty per day
Applies where
Board-designated areas only
Exemptions
72-hr trip prep, repairs, deliveries

Summary

Where the Board of Supervisors designates an area by resolution, unincorporated Ventura County bans parking any oversized vehicle on a highway at any time, with a $30-a-day civil penalty.

City-specific rules exist: Simi Valley, Camarillo, Ventura, Thousand Oaks, Oxnard, and Moorpark have their own commercial & oversized vehicles rules that differ from Ventura County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Parking of Oversized Vehicles Prohibited. Except as provided in subsection (c) of this Section, it is unlawful to park or leave standing any oversized vehicle at any time upon any highway in any area identified by resolution adopted pursuant to this Section. Any violation of this Section shall be subject to a civil penalty in the amount of thirty dollars ($30.00) for every day on which the violation continues, in addition to any administrative charges or penalties authorized under the CVC.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 51).

Full Breakdown

The County's Traffic Ordinance lets the Board of Supervisors designate specific unincorporated areas by resolution where parking or leaving standing any oversized vehicle, over 25 feet long, 7 feet wide, or 8 feet tall, on any highway is unlawful at all times. Violators face a $30 civil penalty for every day the violation continues, on top of any Vehicle Code penalties. Exemptions cover 72-hour trip prep or repairs, delivery vehicles, publicly owned vehicles, and permitted work or essential-transport vehicles. The ban only applies where the County has actually adopted a resolution for that specific area.

Violations & Fines

Parking or leaving an oversized vehicle standing on a designated highway is unlawful at any time and draws a $30 civil penalty for every day the violation continues.

Frequently Asked Questions

Can I park my RV on the street in unincorporated Ventura County?
Only where the Board of Supervisors hasn't designated the area under the oversized-vehicle parking ban; where it has, it's unlawful at any time and costs $30 a day.
Is there an exception for loading or unloading a big RV?
Yes, a 72-hour exemption applies while preparing for or returning from a trip, and for emergency repairs.

Sources & Official References

Other rules in Ventura County

All Ventura County rules

California rules heatmap·Compare Ventura County to another location·View the California parking rules overview

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Commercial & Oversized Vehicles in Cities Across Ventura County