Shed Rules: Castaic vs Topanga
How do shed rules rules compare between Castaic, CA and Topanga, CA?
Castaic and Topanga have similar restriction levels.
Castaic, CA
Los Angeles County
Small accessory structures under 120 square feet in unincorporated LA County generally do not require a building permit. Larger structures must comply with Title 26 building code and Title 22 zoning setbacks.
View full Castaic rules →Topanga, CA
Los Angeles County
Small accessory structures under 120 square feet in unincorporated LA County generally do not require a building permit. Larger structures must comply with Title 26 building code and Title 22 zoning setbacks.
View full Topanga rules →Key Facts Comparison
| Fact | Castaic | Topanga |
|---|---|---|
| Permit Exempt | Under 120 sq ft | Under 120 sq ft |
| Setback | 5 ft from property line | 5 ft from property line |
| Height Limit | 15 feet | 15 feet |
| Permit From | Public Works B&S | Public Works B&S |
| Fire Zones | Extra standards apply | Extra standards apply |
Highlighted rows indicate differences between cities.
Castaic FAQ
Do I need a permit for a shed in unincorporated LA County?
Sheds under 120 square feet and single-story typically do not need a building permit, but must meet zoning setback requirements. Sheds 120 square feet or larger need a building permit.
How close to the property line can I put a shed?
Accessory structures generally need to be at least 5 feet from side and rear property lines per Title 22 zoning code. Check your specific zone for exact requirements.
Topanga FAQ
Do I need a permit for a shed in unincorporated LA County?
Sheds under 120 square feet and single-story typically do not need a building permit, but must meet zoning setback requirements. Sheds 120 square feet or larger need a building permit.
How close to the property line can I put a shed?
Accessory structures generally need to be at least 5 feet from side and rear property lines per Title 22 zoning code. Check your specific zone for exact requirements.
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