Height Limits: Antioch vs Walnut Creek
How do height limits rules compare between Antioch, CA and Walnut Creek, CA?
Antioch and Walnut Creek 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 →Walnut Creek, CA
Contra Costa County
Walnut Creek fences are generally limited to six feet in rear and side yards and three and a half feet in front yards and street-side setbacks; corner lot visibility triangles require lower heights to preserve sight lines for drivers and pedestrians.
View full Walnut Creek rules →Key Facts Comparison
| Fact | Antioch | Walnut Creek |
|---|---|---|
| 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 | - |
| Rear/side yard max | - | 6 feet |
| Front yard solid | - | 3.5 feet |
| Front yard open | - | ~4 feet if 50%+ transparent |
| Corner sight triangle | - | 30 inches max |
| Over 6 ft | - | Building permit required |
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.
Walnut Creek FAQ
Do I need a permit for a 6-foot wood fence in Walnut Creek?
Generally no permit is required for a fence up to six feet tall in rear or side yards. Anything over six feet requires a building permit and may need design review.
How tall can my front-yard fence be?
Solid fences in the front-yard setback are typically limited to 3.5 feet. Open, mostly see-through styles such as pickets or wrought iron can go up to about 4 feet. Corner visibility triangles require no more than 30 inches.
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