Height Limits: Antioch vs San Ramon
How do height limits rules compare between Antioch, CA and San Ramon, CA?
Antioch and San Ramon have similar restriction levels.
Antioch, CA
Contra Costa County
Antioch allows fences up to 6 feet in rear and side yards, and up to 3.5-4 feet in front yards. Corner lot visibility triangles require lower heights at intersections. Fences over 6 feet require a building permit and potentially a variance.
View full Antioch rules →San Ramon, CA
Contra Costa County
San Ramon permits 6-foot fences in side and rear yards and 3.5-foot (42-inch) fences in front yards. Corner lots have additional sight-triangle restrictions at intersections. Fences over 6 feet require a building permit. HOA CC&Rs in master-planned communities often impose stricter architectural review requirements.
View full San Ramon rules →Key Facts Comparison
| Fact | Antioch | San Ramon |
|---|---|---|
| Rear/Side Yard Max | 6 feet (no permit) | - |
| Front Yard Max | 3.5–4 feet | - |
| Corner Lot Triangle | 3 ft within 25-ft sight triangle | - |
| Over 6 Feet | Building permit required | - |
| Cost-Sharing Law | CA Civil Code §841 | - |
| - | - |
Highlighted rows indicate differences between cities.
Antioch FAQ
Do I need a permit for a 6-foot backyard fence?
Generally no. Fences 6 feet or under in rear or interior side yards typically do not require a building permit in Antioch, but must still comply with setback and property line requirements.
Why is my front yard fence limited to 4 feet?
Lower front yard fence heights maintain neighborhood sight lines, pedestrian safety, and open character. Antioch's zoning code limits front fences to 3.5–4 feet unless a special exception is granted.
San Ramon FAQ
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