Permit Requirements: Altadena vs El Monte
How do permit requirements rules compare between Altadena, CA and El Monte, CA?
Altadena and El Monte have similar restriction levels.
Altadena, CA
Los Angeles County
Fences under 6 ft do not require a building permit in unincorporated LA County. Fences over 6 ft require permits from Building & Safety. Department of Regional Planning approval may be needed depending on fence location (front yard, corner lot). Block walls over 6 ft always require permits.
View full Altadena rules →El Monte, CA
Los Angeles County
Fence permits in El Monte are required for walls and fences above certain heights. The Building & Safety Division processes fence permits. Fences in the street side yard within 10 ft of the street cannot exceed 4 ft.
View full El Monte rules →Key Facts Comparison
| Fact | Altadena | El Monte |
|---|---|---|
| Under 6 ft | No building permit needed | - |
| Over 6 ft | Permit required | - |
| Front Yard | May need DRP approval | - |
| Corner Lot | Special visibility requirements | - |
| Permit | - | Required for taller fences |
| Street Side | - | 4 ft max within 10 ft of street |
| Exception | - | 5 ft with 50% wrought iron |
| Review | - | Building & Safety Division |
Highlighted rows indicate differences between cities.
Altadena FAQ
Do I need a permit for a fence in LA County?
No permit is needed for fences under 6 feet. Fences over 6 feet require a building permit from LA County Building & Safety. Front yard fences are limited to 42 inches in most residential zones.
How tall can my front yard fence be?
42 inches (3.5 feet) in most residential zones under Title 22. This ensures visibility for vehicles and pedestrians. Taller fences may be allowed on corner lots with specific setback compliance.
What about retaining walls?
Retaining walls over 4 feet from footing to top require a building permit and engineered plans. Multiple tiered walls designed to circumvent this limit are treated as a single wall for permit purposes.
El Monte FAQ
Do I need a permit to build a fence in El Monte?
Fence permits in El Monte are required for walls and fences above certain heights. The Building & Safety Division processes fence permits. Fences in the street side yard within 10 ft of the street cannot exceed 4 ft.
How much does a fence permit cost in El Monte?
Permit: Required for taller fences. Street Side: 4 ft max within 10 ft of street. Exception: 5 ft with 50% wrought iron. Review: Building & Safety Division.
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