Thousand Oaks, CA Fence Regulations: Material Restrictions (2026)
Key Facts
- Barbed/razor wire
- Banned citywide except ag, oil/gas, or approved commercial/industrial permits
- Electric fencing
- Banned except approved farm/ranch/horse-keeping in R-A, R-E, R-O zones
- Required warning signs (electric fence)
- 2' x 2', every 20 feet
- Minimum fence height under commercial barbed wire
- 6 feet
Summary
Thousand Oaks bans barbed wire, razor wire, and other sharp materials on residential fences and walls, and prohibits electrically charging any fence in the city except in narrow agricultural cases. Barbed wire is only allowed for approved agricultural, livestock, or oil/gas uses, and in commercial/industrial zones under strict placement conditions.
No fence installed or maintained in the City shall be charged with electricity for security or any other reasons except as provided in this section. ... No fence or wall shall include barbed wire, razor wire, or other types of sharp, pointed wire, metal or glass in any zone except as provided in this section. Barbed wire is authorized for oil and gas facilities as set forth in Section 9-4.2814, and for the keeping of livestock animals or horses in the R-A, R-E and R-O zones if within a recognized agricultural preserve, or the fence has been approved as part of a farm animal permit, special use permit or other entitlement.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-78: 2026 S-78 Supplement contains: Current city legislation passed through March 31, 2026).
Full Breakdown
Electrically charged fences may only be approved for farming, ranching, or keeping horses in the R-A, R-E, or R-O zones, and must be posted with 2-foot-by-2-foot warning signs every 20 feet. Barbed wire and razor wire are banned citywide except for oil and gas facilities, agricultural-preserve livestock keeping, or when authorized as part of a development or special use permit in manufacturing/industrial and commercial zones, and even then it must sit atop a 6-foot fence, stay off the right-of-way, and not be visible from the street.
Violations & Fines
No specific fine is listed here; installing a barbed-wire, razor-wire, or electrified fence outside these narrow exceptions is a zoning violation subject to code enforcement requiring removal or reconfiguration.
Frequently Asked Questions
Can I put barbed wire on top of my backyard fence for security?
Is an electric fence ever allowed at a regular house?
Sources & Official References
Other rules in Thousand Oaks
California rules heatmap·Compare Thousand Oaks to another location·View the California fence regulations overview
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Material Restrictions in Nearby Cities
How other cities in Ventura County handle material restrictions.