Height Limits: Castro Valley vs Livermore
How do height limits rules compare between Castro Valley, CA and Livermore, CA?
Castro Valley and Livermore have similar restriction levels.
Castro Valley, CA
Alameda County
Alameda County Zoning Code §17.52.430 limits fences to 4 feet in required front yards and 6 feet in side and rear yards. A 2-foot limit applies within 30 feet of street intersections for sight visibility.
View full Castro Valley rules →Livermore, CA
Alameda County
Livermore allows 6-foot fences in rear/side yards and 3.5-foot fences in front yards per LMC zoning. Corner lots have visibility triangle restrictions.
View full Livermore rules →Key Facts Comparison
| Fact | Castro Valley | Livermore |
|---|---|---|
| Code Section | §17.52.430 | - |
| Front Yard Max | 4 feet | - |
| Side & Rear Max | 6 feet | - |
| Intersection Setback | 2 ft within 30 ft | - |
| Rear/Side | - | 6 ft no permit |
| Front Yard | - | 3.5 ft max |
| Over 6 ft | - | Permit required |
| Corner Triangle | - | 3 ft max |
| Over 8 ft | - | PC approval |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
How tall can my backyard fence be in unincorporated Alameda County?
Up to 6 feet in required interior side and rear yards under Zoning Code §17.52.430. Front-yard fences are capped at 4 feet, and corner-lot visibility triangles within 30 feet of intersections are limited to 2 feet.
Who pays for a shared boundary fence between neighbors?
California Civil Code §841 presumes adjoining owners share equally in the reasonable cost of construction and maintenance of a shared boundary fence. The owner seeking contribution must provide 30 days' written notice describing the work and estimated cost before billing the neighbor.
Livermore FAQ
Can I build a 7-foot fence in Livermore?
Yes with a building permit. Fences over 6 feet require structural review but can be approved administratively up to 8 feet.
What counts as front yard?
Anywhere between the front property line and the front plane of your house is front yard, subject to the 3.5-foot limit.
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