Fence Requirements: Fontana vs San Bernardino
How do fence requirements rules compare between Fontana, CA and San Bernardino, CA?
Fontana and San Bernardino have similar restriction levels.
Fontana, CA
San Bernardino County
Fontana fence rules combine Zoning Code height and setback limits with Building Code structural requirements and design-review standards in specific plan areas. Standard residential fences are 6 feet side and rear, 42 inches front, with permits required for masonry walls over 42 inches.
View full Fontana rules →San Bernardino, CA
San Bernardino County
San Bernardino fences must meet Development Code 19.20.030 for height, setback, and sight visibility, and use materials approved under the building code. Barbed and razor wire are limited to industrial zones.
View full San Bernardino rules →Key Facts Comparison
| Fact | Fontana | San Bernardino |
|---|---|---|
| Side/Rear | 6 ft max standard | - |
| Front | 36-42 in typical | - |
| Permit | Masonry over 42 in | - |
| Pool | 60 in min Title 24 | - |
| HOA | May require specific materials | - |
| Sight Triangle | - | 3 feet max in corner visibility area |
| Graffiti | - | Must be removed per SBMC 8.27 |
| Razor Wire | - | Industrial only |
| Maintenance | - | Structurally sound required |
Highlighted rows indicate differences between cities.
Fontana FAQ
Do I need a survey before building?
Strongly recommended. Many disputes come from fences placed a foot or two over the line based on old stakes or assumptions.
Can I share a wall with my neighbor?
Yes. California Civil Code 841 governs shared boundary fences with equal cost presumption and 30 days written notice.
San Bernardino FAQ
Can I put barbed wire on top of my fence?
Not in residential zones. Barbed wire and razor wire are generally limited to industrial zones, usually requiring conditional use approval.
What is a sight-visibility triangle?
A corner or driveway area where fences and landscaping must stay under three feet high so drivers can see oncoming traffic and pedestrians.
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