Fence Requirements: Castro Valley vs Oakland
How do fence requirements rules compare between Castro Valley, CA and Oakland, CA?
Castro Valley and Oakland have similar restriction levels.
Castro Valley, CA
Alameda County
Alameda County Zoning Ordinance generally limits residential front yard fences to 3-4 feet and side or rear yard fences to 6-7 feet, with clear-vision triangles required at driveways and intersections.
View full Castro Valley rules →Oakland, CA
Alameda County
Oakland fences must meet Planning Code §17.120 standards: 6 feet max in side/rear yards, 3 feet in front yards (4 feet if 50% open), no barbed wire or electric in residential zones, and must preserve sight triangles at corners and driveways.
View full Oakland rules →Key Facts Comparison
| Fact | Castro Valley | Oakland |
|---|---|---|
| Front yard max | 3-4 feet | - |
| Side and rear max | 6-7 feet | - |
| Clear-vision triangle | 3 feet max | - |
| Over max | Variance required | - |
| Agricultural zones | Different standards | - |
| Side/Rear Max | - | 6 ft without permit |
| Front Yard | - | 3 ft solid / 4 ft 50% open |
| Sight Triangle | - | 15 ft at corner intersections |
| Commercial Max | - | 8 ft |
| Code | - | Planning Code §17.120.030 |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
What is a clear-vision triangle?
It is a sight-distance area at corners and driveways, typically 25 by 25 feet, where fences and landscaping are limited to 3 feet to ensure driver visibility.
Can I get a taller front yard fence?
Possibly, via a variance or administrative approval if you can show special circumstances, but solid front fences above 4 feet are rarely approved.
Oakland FAQ
Can I put a fence on the property line in Oakland?
Yes, you may build directly on the property line with your neighbor's cooperation. A boundary survey is strongly recommended, and Civil Code §841 governs cost-sharing.
Are there height rules for corner lot fences in Oakland?
Yes. Fences near street corners must preserve a 15-foot sight-visibility triangle and typically cannot exceed 3 feet in that area to protect traffic visibility.
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