ADU rules in Coweta County, GA — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Georgia has no statewide ADU mandate, so accessory dwellings in Coweta County are governed entirely by the county's Zoning and Development Ordinance. Whether a second dwelling or in-law suite is allowed depends on your residential zoning district.
Georgia's zoning enabling law (O.C.G.A. Title 36, Chapter 66) hands land-use control to local government, and the state has passed no law forcing counties to permit accessory dwelling units. So in unincorporated Coweta County, whether a detached accessory dwelling or in-law suite is allowed, and on what lot, is set by the residential district standards in the county's Zoning and Development Ordinance, administered by the Community Development zoning staff. Where a unit is permitted, the Building Permits & Inspections Division issues the building permit and inspects egress, ceiling height, and smoke and carbon-monoxide alarms under the state minimum codes. Cities such as Newnan and Senoia set their own rules inside their limits.
Building a second dwelling unit where the zoning district does not allow it is a code violation that draws enforcement and denial of a certificate of occupancy. Building without a permit is unlawful.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Coweta County's adu rules rules stack up against other locations.
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