ADU Permits: Atlanta vs Roswell
How do adu permits rules compare between Atlanta, GA and Roswell, GA?
Atlanta, GA
Fulton County
Atlanta permits accessory dwelling units in single-family R-4, R-4A, R-5, and other residential zones following the 2017 ADU ordinance (Ordinance 17-O-1605). ADUs are reviewed administratively (no public hearing) by the Office of Buildings under Code of Ordinances Chapter 16 (Zoning) Section 16-29.
View full Atlanta rules →Roswell, GA
Fulton County
No data available yet for Roswell.
Key Facts Comparison
| Fact | Atlanta | Roswell |
|---|---|---|
| Authority | Atlanta Code §16-29; Ord. 17-O-1605 | - |
| Max Detached | 750 sq ft | - |
| Max Height | 25 ft | - |
| Setback | 7 ft side/rear | - |
| Parking | 1 space (waivable transit) | - |
Highlighted rows indicate differences between cities.
Atlanta FAQ
Can I build an ADU in Atlanta?
Yes. Atlanta's 2017 ADU ordinance (17-O-1605) permits detached, attached, and interior ADUs in R-4, R-4A, R-5, and select multi-family districts. Detached ADUs are capped at 750 sq ft and 25 ft height, with 7 ft side/rear setbacks.
What permits do I need?
Zoning compliance review from the Office of Zoning and Development, followed by a building permit from the Office of Buildings. Atlanta enforces the 2018 International Residential Code with Georgia amendments.
Is parking required?
One off-street parking space is required, but this can be waived if the property is in a transit-served area or qualifies for other waivers under the Connect Atlanta Plan.
Roswell FAQ
No FAQs available.
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