Height Limits: Berkeley vs Castro Valley
How do height limits rules compare between Berkeley, CA and Castro Valley, CA?
Berkeley and Castro Valley have similar restriction levels.
Berkeley, CA
Alameda County
Berkeley limits fences to 6 feet in rear and side yards and 3.5 feet in front yards under BMC zoning, with hillside and view-corridor considerations in the Berkeley Hills.
View full Berkeley rules →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 →Key Facts Comparison
| Fact | Berkeley | Castro Valley |
|---|---|---|
| Rear and side max | 6 feet | - |
| Front yard max | 3.5 feet | - |
| Decorative top | Up to 2 extra feet if open | - |
| Corner visibility | Triangle restrictions | - |
| Variance | Required for taller | - |
| Code Section | - | §17.52.430 |
| Front Yard Max | - | 4 feet |
| Side & Rear Max | - | 6 feet |
| Intersection Setback | - | 2 ft within 30 ft |
Highlighted rows indicate differences between cities.
Berkeley FAQ
Can I build an 8-foot privacy fence?
Only with a variance. Standard zoning caps privacy fencing at 6 feet in rear and side yards.
Do height limits apply to hedges?
Living hedges are generally not regulated by fence height rules but can be subject to spite fence or view obstruction claims.
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.
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