Material Restrictions: Mountain View vs Sunnyvale
How do material restrictions rules compare between Mountain View, CA and Sunnyvale, CA?
Mountain View and Sunnyvale have similar restriction levels.
Mountain View, CA
Santa Clara County
Common fence materials including wood, vinyl, wrought iron, and masonry are permitted in Mountain View; chain link is restricted in front yards and barbed wire is prohibited residentially.
View full Mountain View rules →Sunnyvale, CA
Santa Clara County
Barbed wire, razor wire, and electrified fences are prohibited on Sunnyvale residential properties. Wood, vinyl, wrought iron, masonry, and composite are all permitted residential fence materials.
View full Sunnyvale rules →Key Facts Comparison
| Fact | Mountain View | Sunnyvale |
|---|---|---|
| Wood and vinyl | Permitted | - |
| Wrought iron | Permitted | - |
| Chain link front yard | Discouraged or prohibited | - |
| Barbed wire residential | Prohibited | - |
| Pallet fences | Typically denied | - |
| Banned residential | - | Barbed, razor, electrified |
| Allowed wood types | - | Redwood, cedar, PT |
| Chain link front yards | - | Often prohibited |
| Temporary materials | - | 90 day max |
| HOA overlay | - | May be stricter |
Highlighted rows indicate differences between cities.
Mountain View FAQ
Can I install a chain link front fence?
Chain link is discouraged and often prohibited in Mountain View front yards; consider wrought iron or wood alternatives.
Are gabion walls allowed?
Gabion walls are generally allowed as retaining structures but may require permits and design review for visibility.
Sunnyvale FAQ
Can I top my fence with barbed wire to stop trespassers?
No. Residential barbed wire is prohibited. Motion lighting, cameras, and anti-climb paint on top of code-compliant fences are better options.
Is corrugated metal fencing allowed?
Industrial-style corrugated panels are not permitted as residential fencing. Decorative modern metal fences using properly finished steel can be approved.
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