Garage conversion rules in Knoxville, TN — sometimes called garage-to-ADU or accessory living unit conversions — govern permits, ceiling height, egress, and parking replacement.
Garage conversions in Knoxville require building permits and must meet building code standards for habitable rooms. Converting to an ADU requires compliance with ADU regulations.
Converting a garage to living space in Knoxville requires a building permit. The conversion must meet building code requirements for habitable rooms including ceiling height, ventilation, insulation, emergency egress, and smoke detectors. Garage-to-ADU conversions must also meet the city's ADU standards including owner occupancy requirements. Replacement parking may be required depending on the zoning district's off-street parking requirements.
Unpermitted conversions result in code violations. ADU conversions must comply with all ADU standards.
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See how Knoxville's garage conversions rules stack up against other locations.
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