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.
Tuolumne County follows the California Building Code for shed and outbuilding permits. Sheds under 120 square feet, single-story, and used for storage (not habitation) may be exempt from building permit requirements, though they must still comply with zoning setbacks under Title 17. Sheds over 120 sq ft require building permits with plan review. All sheds must meet zoning district setback requirements regardless of size. In agricultural zones, accessory structures (including sheds) are limited to 25% building coverage or 4,000 sq ft, whichever is less. Snow load design is required at higher elevations. Contact the Building Department at 209-533-5633 for specific requirements.
Building without required permit: stop work order, retroactive permit with penalty fees.
Twain Harte, CA
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