Garage conversion rules in Dunwoody, GA — sometimes called garage-to-ADU or accessory living unit conversions — govern permits, ceiling height, egress, and parking replacement.
Garage conversions to habitable space in Dunwoody require a building permit and must comply with the IRC and Zoning Ordinance (Ch. 27). Converted space must meet insulation, egress, HVAC, and electrical standards. ADU rules apply if creating a separate dwelling unit. Parking requirements must be addressed.
Converting an attached or detached garage to habitable space in Dunwoody requires a building permit from Community Development (678-382-6800). The conversion must meet IRC standards for insulation, HVAC, egress windows/doors, and electrical systems. If the conversion creates a separate dwelling unit (ADU), the full ADU regulations under Ch. 27 apply. Loss of required parking spaces must be addressed — replacement parking or a variance may be required.
Unpermitted conversion: $500 to $2,000. May require restoration to garage or retroactive permitting.
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Side-by-side rule comparisons with other cities in DeKalb County.
See how other cities in DeKalb County handle garage conversions.
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