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Accessory Structures in Roswell, GA (2026)

3 verified accessory structures rules for Roswell, Georgia, sourced directly from the municipal code and official government pages.

Verified from official government sources

ADU Rules

Roswell's Unified Development Code allows accessory dwelling units (ADUs) in limited residential zoning districts subject to size caps, owner-occupancy of the primary unit, and architectural-review standards. Garage conversions and second-floor apartments above garages are the most common forms.

Roswell Accessory Dwelling Unit Rules

Some Restrictions

Shed Rules

Roswell follows Georgia State Minimum Building Code provisions: residential storage sheds under 200 square feet generally do not require a building permit, but they must still meet UDC zoning setbacks and not be used as habitable space.

Roswell Shed and Accessory Structure Rules

Some Restrictions

Garage Conversions

Converting a garage to habitable space (bedroom, office, ADU) in Roswell requires a building permit, must meet residential energy code (insulation, windows, mechanical), and may require additional off-street parking to replace the converted spaces. ADU conversions are subject to the same UDC zoning rules as new ADUs.

Roswell Garage Conversion Rules

Some Restrictions

Looking for Fulton County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Roswell city rules.

Accessory Structures in Fulton County