Accessory Structures in Bessemer, AL (2026)
4 verified accessory structures rules for Bessemer, Alabama, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Bessemer's zoning ordinance does not explicitly permit ADUs in residential zones. Alabama has no statewide ADU mandate. Jefferson County guidance suggests ADUs may be limited to 200 sq ft in unincorporated areas, but Bessemer's specific rules depend on zoning district.
Bessemer Accessory Dwelling Unit (ADU) Rules
Heavy RestrictionsShed Rules
Bessemer requires building permits for structures exceeding approximately 200 sq ft. Smaller sheds that do not serve as living space may be exempt from permits but must comply with zoning setbacks. The minimum permit fee is $26. All contractors need a Bessemer business license.
Bessemer Shed & Outbuilding Rules
Some RestrictionsGarage Conversions
Garage conversions in Bessemer require a building permit. The city enforces the 2015 IBC suite. Converting a garage to living space must meet building code requirements for habitable rooms. Off-street parking requirements under the zoning ordinance must still be met.
Bessemer Garage Conversion Rules
Some RestrictionsCarport Rules
Bessemer's Zoning Ordinance (Appendix B) treats carports as accessory structures. Per Sec. 8.6, accessory structures may be built in a rear yard but cannot occupy more than 30% of the required rear yard and must be at least 5 ft from side and rear lot lines. Per Sec. 8.3, accessory structures are not allowed in any required front yard.
accessory-structures/carport-rules
Some RestrictionsLooking for Jefferson County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Bessemer city rules.
Accessory Structures in Jefferson County →