Shed Rules: Bonsall vs San Marcos
How do shed rules rules compare between Bonsall, CA and San Marcos, CA?
San Marcos has fewer restrictions than Bonsall.
Bonsall, 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 Bonsall rules →San Marcos, CA
San Diego County
San Marcos exempts detached sheds under 120 square feet from building permits. Sheds must comply with zoning setbacks. Larger accessory buildings require permits and must meet building code standards.
View full San Marcos rules →Key Facts Comparison
| Fact | Bonsall | San Marcos |
|---|---|---|
| Permit Exempt | Under 120 sq ft, one story | - |
| Setbacks | Must comply with zoning requirements | Zone requirements apply |
| Habitable Use | Not permitted without proper permits | - |
| Fire Zones | Fire-resistant construction required | - |
| Code | County Code §91.1.105.2 | - |
| Exempt | - | Under 120 sq ft |
| Front Yard | - | Not permitted |
| Habitation | - | Not allowed in sheds |
Highlighted rows indicate differences between cities.
Bonsall 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 Marcos FAQ
Do I need a permit for a shed in San Marcos?
San Marcos exempts detached sheds under 120 square feet from building permits. Sheds must comply with zoning setbacks. Larger accessory buildings require permits and must meet building code standards.
How big can a shed be without a permit in San Marcos?
Exempt: Under 120 sq ft. Setbacks: Zone requirements apply. Front Yard: Not permitted. Habitation: Not allowed in sheds.
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