Fence Requirements: Livermore vs Sunol
How do fence requirements rules compare between Livermore, CA and Sunol, CA?
Sunol has fewer restrictions than Livermore.
Livermore, CA
Alameda County
Livermore corner lots must maintain a clear sight triangle — typically 25 feet from intersection curbs — with nothing over 3 feet in height.
View full Livermore rules →Sunol, 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 Sunol rules →Key Facts Comparison
| Fact | Livermore | Sunol |
|---|---|---|
| Triangle Size | 25 ft typical | - |
| Max Height | 3 ft in triangle | - |
| Tree Canopy | 8 ft clearance | - |
| Applies To | Fences, hedges, signs | - |
| Enforcement | Code Enforcement | - |
| 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 |
Highlighted rows indicate differences between cities.
Livermore FAQ
Does the 3-foot rule apply to my existing hedge?
Yes. Existing landscaping must be kept trimmed to 3 feet within the sight triangle even if it predates current rules.
Who enforces this in Livermore?
Livermore code enforcement at (925) 960-4600 handles most complaints. Alameda County agencies handle regional issues.
Sunol 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.
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