Cupertino, CA Fence Regulations: Material Restrictions (2026)
Key Facts
- Banned outright
- Barbed wire, razor wire, chicken wire, electrified fencing
- Conditionally banned
- Uncoated chain-link, non-engineered plastic if visible
- Allowed materials
- Wood, vinyl-coated chain-link, brick, stone, metal
- Color rule
- Earth tone or vegetation hues only
- Reflectivity cap
- 60 or less
Summary
Cupertino bans barbed wire, razor wire, chicken wire, similar small-gauge mesh, and electrified fencing on any residential, commercial, or industrial property, unless a law or regulation requires it. Section 19.48.040 also lists other prohibited materials, allowed alternatives, and a 60-or-less reflectivity cap for whatever material a homeowner chooses.
Prohibited Materials: The following materials shall be considered “Prohibited Materials” for purposes of this Chapter: Unless required by law or regulation of the City, State or Federal Government, barbed wire, razor wire, chicken wire and similar small-gauge wire or mesh product, and/or electrified fencing are prohibited. Fences made of non-engineered plastic, fabric membranes, cloth, canvas, plywood, uncoated cyclone/chain link, and reed or bamboo with sticks and slats smaller than four inches in width are prohibited, unless located in areas not visible from public areas or adjacent properties.
Full Breakdown
040 of the Cupertino Municipal Code lists two categories of prohibited fence materials that apply in every zoning district. The first bars barbed wire, razor wire, chicken wire and similar small-gauge wire or mesh products, and electrified fencing outright, unless a law or regulation of the City, State, or Federal Government requires them. The second bars fences built of non-engineered plastic, fabric membranes, cloth, canvas, plywood, uncoated cyclone or chain-link, and reed or bamboo with sticks or slats narrower than four inches, though this second group is allowed if the fence sits somewhere not visible from public areas or adjacent properties, such as behind a house.
Allowed materials include wood, engineered plastic, vinyl-coated cyclone or chain-link, metal such as wrought iron, brick, block, stone, and comparable safe, commercially accepted fencing materials. Whatever material is chosen, its color must be a natural earth tone or vegetation color, limited to hues of brown, green, or gray, and its reflectivity value must be 60 or less. The section also requires the strip between the back of curb and any fence to be landscaped, with permanent irrigation where needed or pervious flatwork, and kept up by the property owner, and it requires every fence next to a street, sidewalk, or public right-of-way to be kept free of visible and structural defects. 020 if the Community Development Director finds them appropriate.
Violations & Fines
Installing a barbed-wire, razor-wire, chicken-wire, or electrified fence in a Cupertino zoning district without a legal exemption violates Section 19.48.040 and is enforced as a code violation by the Community Development Department, which can order the material removed or replaced. An unmaintained fence facing a street, sidewalk, or right-of-way, or fencing built with an uncoated chain-link or non-engineered plastic panel visible from public view, is likewise subject to a correction notice requiring compliant materials or screening.
Frequently Asked Questions
Is barbed wire legal on a Cupertino fence?
Can I use chain-link fencing in Cupertino?
Are there color rules for fences in Cupertino?
Sources & Official References
Other rules in Cupertino
California rules heatmap·Compare Cupertino to another location·View the California fence regulations overview
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Material Restrictions in Nearby Cities
How other cities in Santa Clara County handle material restrictions.