Accessory Structures in Suwanee, GA (2026)
5 verified accessory structures rules for Suwanee, Georgia, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Georgia has no statewide ADU mandate. Suwanee UDC regulates accessory dwelling units via zoning; typically allowed only as attached family-care suites or with special use permit. MXD zones may allow more flexibility.
accessory-structures/adu-rules
Some RestrictionsShed Rules
Sheds over 120 sq ft require a Suwanee building permit. All sheds must meet accessory structure setbacks (typically 5-10 ft from rear/side lines) and may not exceed height limits in the UDC.
accessory-structures/shed-rules
Some RestrictionsGarage Conversions
Garage conversions to living space require Suwanee building permit. Must meet residential code for ceiling height, egress, insulation, and electrical. Parking replacement required to maintain off-street parking minimums.
accessory-structures/garage-conversions
Some RestrictionsCarport Rules
Carports are permitted accessory structures in Suwanee but must meet setbacks and building permit requirements. Typically must be architecturally compatible with primary dwelling.
accessory-structures/carport-rules
Some RestrictionsTiny Homes
Tiny homes on foundations must meet full GA IRC requirements (including Appendix Q for homes under 400 sq ft). Tiny homes on wheels classified as RVs and cannot be used as permanent dwellings in Suwanee residential zones.
accessory-structures/tiny-homes
Heavy RestrictionsLooking for Gwinnett County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Suwanee city rules.
Accessory Structures in Gwinnett County →