ADU rules in DeKalb County, GA — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
ADUs in unincorporated DeKalb County are permitted in residential single-family districts under Zoning Ordinance §4.2.3. Min. lot size: 10,000 sq ft. Max ADU size: 900 sq ft. Max height under 24 feet. Owner must occupy either the main home or ADU and have a homestead exemption. ADU appearance must match main residence.
DeKalb County Zoning Ordinance §4.2.3 (Accessory Dwelling Unit, Guesthouse, In-Law Suite) permits ADUs on residential single-family parcels in qualifying zoning districts. Requirements: minimum lot size of 10,000 sq ft; maximum ADU size of 900 square feet; maximum height less than 24 feet; owner must occupy either the main dwelling or ADU and possess a homestead exemption; ADU appearance must be similar to the principal residence; ADU must meet all applicable building codes. ADUs may be rented but cannot be sold separately. Applications through DeKalb County Building Inspection (404-371-3026). Property must be in unincorporated DeKalb County.
Unpermitted ADU: $500 to $2,000. May require demolition or retroactive permitting. Zoning violation: $250/day.
DeKalb County, GA
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DeKalb County, GA
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DeKalb County, GA
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DeKalb County, GA
Dekalb County regulates amplified music under the general noise ordinance. Sound permits available for events. O.C.G.A. §16-11-39 applies to unreasonable dis...
DeKalb County, GA
Recreational vehicles and trailers in residential zones of unincorporated DeKalb County are subject to zoning ordinance (Ch. 27) standards. Long-term RV stor...
DeKalb County, GA
Street parking in unincorporated DeKalb County follows Georgia vehicle code and county ordinances. No parking within 15 feet of fire hydrants, no blocking dr...
See how DeKalb County's adu rules rules stack up against other locations.
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