Shed permit rules in Sonora, CA — also referred to as storage shed, backyard shed, or accessory building regulations — set size limits, setbacks, and when a building permit is required.
Sheds and accessory structures in Sonora are regulated by zoning under Title 17 and building code requirements under Title 15.10. Building permits are typically required for structures over 120 square feet. Existing sheds can be converted to ADUs under state law.
Sonora's zoning code (Title 17) establishes setback, height, and lot coverage requirements for accessory structures including sheds. Building permits under SMC Title 15.10 (Ordinance 853) are typically required for structures over 120 square feet per the California Building Code. Under California Government Code section 65852.2, existing accessory structures like sheds can be converted to ADUs, and such conversions are exempt from additional development standards for unit size, height, and lot coverage. Over-the-counter permits may be available for simple structures.
Building a structure over 120 square feet without a permit is a building code violation subject to code enforcement action.
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Side-by-side rule comparisons with other cities in Tuolumne County.
See how other cities in Tuolumne County handle shed rules.
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