Shed & Outbuilding Permits: Sonora vs Twain Harte
How do shed & outbuilding permits rules compare between Sonora, CA and Twain Harte, CA?
Sonora and Twain Harte have similar restriction levels.
Sonora, CA
Tuolumne County
Sheds over 120 square feet typically require a building permit in Sonora under Title 15.10 (Ordinance 853). Smaller structures may be exempt. Setback requirements under Title 17 apply to all accessory structures regardless of permit exemption.
View full Sonora rules →Twain Harte, CA
Tuolumne County
Tuolumne County requires building permits for sheds and outbuildings. Small sheds under 120 sq ft may be exempt from building permits under California Building Code, but zoning setbacks still apply.
View full Twain Harte rules →Key Facts Comparison
| Fact | Sonora | Twain Harte |
|---|---|---|
| Permit Threshold | Over 120 sq ft typically requires permit | - |
| Code | SMC Title 15.10 (Ordinance 853) | - |
| Setbacks | Title 17 zoning applies regardless | Always apply |
| Inspections | Tue/Thu — 209-532-3508 ext. 2 | - |
| Over-the-Counter | May be available for simple projects | - |
| Under 120 sq ft | - | May be exempt |
| Over 120 sq ft | - | Permit required |
| Building Dept | - | 209-533-5633 |
Highlighted rows indicate differences between cities.
Sonora FAQ
Do I need a permit for a small shed in Sonora?
Sheds under 120 square feet are typically exempt from building permits, but zoning setback requirements under Title 17 still apply.
How do I apply for a shed permit in Sonora?
Apply at the Community Development Department at 94 N. Washington Street. Over-the-counter permits may be available for simple structures.
When are inspections available?
Building inspections are available on Tuesdays and Thursdays. Call 209-532-3508 ext. 2 to schedule.
Twain Harte FAQ
Do I need a permit for a shed in Tuolumne County?
Sheds under 120 sq ft may be exempt from building permits but must comply with zoning setbacks. Larger sheds require permits.
How close to the property line can I put a shed?
Zoning setbacks vary by district. Contact the Planning Department at 209-533-5633 for your parcel's requirements.
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