Shed permit rules in Hamilton County, TN — also referred to as storage shed, backyard shed, or accessory building regulations — set size limits, setbacks, and when a building permit is required.
In Chattanooga, a detached shed or accessory structure must sit at least five feet from interior side and rear lot lines, stay out of front and corner side yards, top out at 24 feet, and never exceed the height or footprint of the main house.
Under Chattanooga zoning Sec. 38-50, no accessory structure may be built before the principal building exists. Detached accessory structures must be set back a minimum of five feet from any interior side or rear lot line and at least three feet from the principal building, and cannot be placed in a front or corner side yard unless the Code specifically allows it. Maximum height is 24 feet, but no accessory structure may exceed the height of the principal building, and a single detached structure's footprint cannot exceed the principal building's footprint. A limited exception lets a storage-only building (no standalone electric, 12 by 12 feet maximum, six-foot eaves) sit on an abutting vacant lot.
A shed placed without required setbacks or permits is a zoning violation; the Land Development Office can require relocation or removal and pursue city court penalties.
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See how Hamilton County's shed rules rules stack up against other locations.
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