Shed Rules: Fallbrook vs San Diego
How do shed rules rules compare between Fallbrook, CA and San Diego, CA?
Fallbrook and San Diego have similar restriction levels.
Fallbrook, CA
San Diego County
Small accessory structures (sheds) under 120 sq ft and one story do not require a building permit in unincorporated San Diego County per County Code Section 91.1.105.2. Larger structures need permits. All sheds must comply with zoning setback requirements.
View full Fallbrook rules →San Diego, CA
San Diego County
San Diego exempts detached accessory structures (sheds) under 120 square feet and one story from building permits under SDMC 129.0202. Sheds must comply with setback requirements. Larger sheds require permits. Structures may not be used as habitable space without ADU approval.
View full San Diego rules →Key Facts Comparison
| Fact | Fallbrook | San Diego |
|---|---|---|
| Permit Exempt | Under 120 sq ft, one story | Under 120 sq ft, 1 story |
| Setbacks | Must comply with zoning requirements | 3-5 ft from property lines |
| Habitable Use | Not permitted without proper permits | Requires ADU permit |
| Fire Zones | Fire-resistant construction required | - |
| Code | County Code §91.1.105.2 | - |
| Front Yard | - | Not permitted |
| Code Section | - | SDMC 129.0202 |
Highlighted rows indicate differences between cities.
Fallbrook FAQ
Do I need a permit for a shed in unincorporated San Diego County?
Not if it is one story, 120 sq ft or less, and used for storage or similar non-habitable purposes. Larger sheds require a building permit from County PDS.
Can I live in a shed?
No. Accessory structures cannot be used as habitable space without proper permits, building code compliance for habitation (plumbing, electrical, egress), and zoning approval.
How close to the property line can I put a shed?
Sheds must comply with the zoning setback requirements for your specific zone, regardless of size. Contact County PDS with your zone designation for specific setback distances.
San Diego FAQ
Do I need a permit for a shed in San Diego?
No permit needed for one-story sheds under 120 square feet. All sheds must comply with zoning setbacks. Sheds over 120 sq ft require a building permit.
Can I live in my shed or use it as an office?
Sheds may not be used as habitable space without an ADU permit or other appropriate approval. Using a shed as living space without permits is a code violation.
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