Accessory Structures in Simpsonville, SC (2026)
5 verified accessory structures rules for Simpsonville, South Carolina, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Simpsonville's Zoning Ordinance sharply limits ADUs. Under Section 3.3.4, an accessory dwelling unit may only be placed on stories above the ground floor of a nonresidential building (or in an approved live-work arrangement). There is no by-right detached backyard ADU/granny-flat allowance for single-family lots.
Accessory Dwelling Units in Simpsonville, SC
Some RestrictionsSimpsonville Zoning Ordinance Sec. 3.3.4.A
Except for appropriate live-work arrangements, accessory dwelling units may only be permitted on stories above the ground floor of nonresidential buildings.
Shed Rules
On single-family residential lots, an accessory structure such as a shed must meet a 5-foot accessory-structure setback from side and rear property lines and cannot sit closer to the street than the front wall of the home. A zoning permit is waived for single-family accessory structures, but a building permit
Storage Shed Rules in Simpsonville, SC
Some RestrictionsSimpsonville Zoning Ordinance Sec. 3.3.1.E; setback table Sec. 2.2.5
Unless otherwise indicated herein, accessory uses and structures on residential properties shall not be located closer to the street right-of-way than the plane of any front wall of the principal building on the subject property...
Garage Conversions
Simpsonville's Zoning Ordinance has no special garage-conversion allowance. Converting a garage into living space is a change of use of a structure that triggers a building permit under Chapter 8; it may not create a second dwelling unit, since accessory dwelling units are limited to upper floors of nonresidential buildings
Garage Conversion Rules in Simpsonville, SC
Some RestrictionsSimpsonville Zoning Ordinance Sec. 7.7.1
This Section is intended to ensure that no construction, reconstruction, alteration, demolition, change in the use or occupancy of any land, building, or other structure occurs without first obtaining the appropriate permit approval...
Carport Rules
A carport is an accessory structure in Simpsonville. On single-family residential lots it must meet the 5-foot accessory-structure setback (Sec. 2.2.5) and, per Section 3.3.1.E, cannot be located closer to the street than the front wall of the house. A building permit under Chapter 8 generally applies.
Carport Rules in Simpsonville, SC
Some RestrictionsSimpsonville Zoning Ordinance Sec. 2.2.5.A (setback table)
Single-Family Residential Property ... Accessory Structure 5 feet
Tiny Homes
Simpsonville's Zoning Ordinance has no dedicated tiny-home category. A tiny house on wheels is treated as a recreational vehicle or travel trailer, which cannot be used as a dwelling or accessory dwelling unit. A tiny house on a foundation must meet all standard single-family district and building-code requirements.
Tiny Homes in Simpsonville, SC
Some RestrictionsSimpsonville Zoning Ordinance (Accessory Dwelling definition/Sec. 3.3.4)
Mobile homes, recreational vehicles, and travel trailers shall not be used as accessory dwelling units.
Looking for Greenville County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Simpsonville city rules.
Accessory Structures in Greenville County →