Height Limits: Castro Valley vs Fremont
How do height limits rules compare between Castro Valley, CA and Fremont, CA?
Castro Valley and Fremont 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 →Fremont, CA
Alameda County
Fremont limits fences to 3 feet in front yards and 7 feet in side and rear yards under FMC Chapter 18 zoning standards.
View full Fremont rules →Key Facts Comparison
| Fact | Castro Valley | Fremont |
|---|---|---|
| Code Section | §17.52.430 | - |
| Front Yard Max | 4 feet | - |
| Side & Rear Max | 6 feet | - |
| Intersection Setback | 2 ft within 30 ft | - |
| Front Yard Solid | - | 3 feet |
| Front Open Picket | - | 4 feet |
| Side and Rear | - | 7 feet |
| Corner Visibility | - | 15 feet triangle |
| Variance | - | Required over 7 ft |
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.
Fremont FAQ
Can I build a 7-foot fence around my backyard?
Yes, side and rear yard fences may be up to 7 feet without a permit, subject to corner visibility rules on corner lots.
How tall can my front yard fence be?
Solid front yard fences are limited to 3 feet; open picket or wrought iron up to 4 feet under FMC Chapter 18.
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