Fence Requirements: Rialto vs San Bernardino
How do fence requirements rules compare between Rialto, CA and San Bernardino, CA?
Rialto and San Bernardino have similar restriction levels.
Rialto, CA
San Bernardino County
San Bernardino County Code Ch. 83.06 limits fences to 3.5 feet in front yards and 6 feet in side and rear yards. Corner sight triangles limit height to 3 feet within 25 feet of intersections.
View full Rialto 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 | Rialto | San Bernardino |
|---|---|---|
| Front Yard Max | 3.5 feet | - |
| Side/Rear Max | 6 feet (8 ft with permit) | - |
| Agricultural Zone | Up to 8 feet | - |
| Corner Sight Triangle | 3 ft in 25 ft | - |
| Barbed Wire | Not in residential | - |
| 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.
Rialto FAQ
How tall can my fence be in unincorporated San Bernardino County?
Residential fences are limited to 3.5 feet in the front yard and 6 feet in side and rear yards without a permit. Agricultural zones allow up to 8 feet for livestock fencing. Taller fences require a building permit.
Is barbed wire allowed on my fence?
Barbed wire and razor wire are prohibited on residential fences but allowed in agricultural, commercial, and industrial zones, typically only above 6 feet in height.
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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