Fence Permits: Los Angeles vs Topanga
How do fence permits rules compare between Los Angeles, CA and Topanga, CA?
Los Angeles and Topanga have similar restriction levels.
Los Angeles, CA
Los Angeles County
Fences 6 feet or less in Los Angeles are exempt from building permits. Fences over 6 feet require a LADBS permit. LAMC restricts front yard fences to 3.5 feet in residential zones. All fences must comply with zoning district requirements regardless of permit status.
View full Los Angeles rules →Topanga, CA
Los Angeles County
Fences under 6 feet in height do not require a building permit in unincorporated LA County. Fences over 6 feet, retaining walls with fences, and fences in special zoning areas require permits. Front yard fences must not exceed 42 inches within the required setback.
View full Topanga rules →Key Facts Comparison
| Fact | Los Angeles | Topanga |
|---|---|---|
| Permit Threshold | Over 6 ft requires permit | - |
| Front Yard Max | 3.5 ft (residential) | - |
| Side/Rear Max | 6 ft | - |
| Express Permit | Available for simple fences | - |
| No Permit Under | - | 6 feet |
| Front Setback | - | 42 inches max |
| Pool Barrier | - | 60 inches min |
| Retaining Wall | - | Permit if over 4 ft |
Highlighted rows indicate differences between cities.
Los Angeles FAQ
Do I need a permit to build a fence in LA?
Not if the fence is 6 feet or less. Fences over 6 feet require a LADBS permit. Front yard fences in residential zones are limited to 3.5 feet regardless.
Can I build a fence online in LA?
Yes. Simple fence permits can be obtained through the PermitLA web app as Express Permits, which do not require plan review.
Topanga FAQ
Do I need a permit for a fence in LA County?
No permit is needed for fences under 6 feet in side and rear yards. Fences over 6 feet, retaining wall-fence combinations, and front yard fences exceeding 42 inches require permits.
What is the maximum fence height in the front yard?
42 inches (3.5 feet) within the required front setback. Higher fences may be allowed outside the setback with proper permits.
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