Shed Rules: Santa Monica vs Topanga
How do shed rules rules compare between Santa Monica, CA and Topanga, CA?
Topanga has fewer restrictions than Santa Monica.
Santa Monica, CA
Los Angeles County
Santa Monica regulates accessory buildings under SMMC §9.21.020. Sheds and similar structures in residential zones must comply with setback and height requirements. Sheds may not contain a kitchen unless approved as an ADU.
View full Santa Monica 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 | Santa Monica | Topanga |
|---|---|---|
| Code Section | SMMC §9.21.020 | - |
| Kitchen Restriction | Not allowed (ADU exception) | - |
| Permit Exempt | Walls under 4ft, fences under 7ft | Under 120 sq ft |
| Dwelling Use | ADU approval required | - |
| ADU Standards | SMMC §9.31.025 (separate) | - |
| Setback | - | 5 ft from property line |
| Height Limit | - | 15 feet |
| Permit From | - | Public Works B&S |
| Fire Zones | - | Extra standards apply |
Highlighted rows indicate differences between cities.
Santa Monica FAQ
Do I need a permit for a shed in Santa Monica?
Santa Monica regulates accessory buildings under SMMC §9.21.020. Sheds and similar structures in residential zones must comply with setback and height requirements. Sheds may not contain a kitchen unless approved as an ADU.
How big can a shed be without a permit in Santa Monica?
Code Section: SMMC §9.21.020. Kitchen Restriction: Not allowed (ADU exception). Permit Exempt: Walls under 4ft, fences under 7ft. Dwelling Use: ADU approval required.
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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