Shed Rules: Altadena vs El Monte
How do shed rules rules compare between Altadena, CA and El Monte, CA?
Altadena has fewer restrictions than El Monte.
Altadena, CA
Los Angeles County
Sheds 120 sq ft or smaller and ≤12 ft tall typically don't need a building permit in Altadena, but they still must comply with Altadena CSD setbacks. Anything larger needs a permit.
View full Altadena rules →El Monte, CA
Los Angeles County
El Monte Zoning Code (Title 17) regulates accessory structures. Small structures under 120 sq ft may be exempt from building permits. Structures must meet setback and placement requirements and cannot be used for habitation.
View full El Monte rules →Key Facts Comparison
| Fact | Altadena | El Monte |
|---|---|---|
| No-Permit Threshold | ≤120 sq ft | - |
| Authority | LA County Title 26 + CBC §105.2 | - |
| Min Setbacks (R-1) | 5 ft side, 5 ft rear | - |
| Lot Coverage | 0.25 × lot + 1,000 sf (CSD 22.306.070.A.4) | - |
| Code Section | - | EMMC Title 17 |
| Permit Exempt | - | Under 120 sq ft |
| Max Height | - | One story |
| Habitation | - | Not permitted (need ADU permit) |
| Building & Safety | - | (626) 580-2037 |
Highlighted rows indicate differences between cities.
Altadena FAQ
Do I need a permit for a shed in Altadena?
Not if it is 120 sq ft or smaller and has no electrical/plumbing. Larger sheds require a building permit from LA County Building & Safety.
El Monte FAQ
Do I need a permit for a shed in El Monte?
Sheds under 120 square feet are generally permit-exempt but must meet setback requirements. Larger structures require building permits.
Can I live in my El Monte shed?
No. Accessory structures cannot be used for habitation without obtaining proper ADU permits under Chapter 17.110.
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