Accessory Structures in Anderson County, SC (2026)
2 rules for unincorporated Anderson County, South Carolina.
Verified from official government sources
ADU Rules
Anderson County does not allow a standalone residential accessory dwelling; the zoning code permits one accessory dwelling unit only inside a commercial or industrial building tied to a principal use, and only with board of zoning appeals approval and a public hearing.
Anderson County Accessory Dwelling Unit Rules
Significant RestrictionsAnderson County Code of Ordinances § 7:10
One accessory dwelling unit may be permitted with approval of the board of zoning appeals in conjunction with any permitted principal use in the S-1, I-1, C-1, and C-2 districts subject to the following conditions: A.The accessory dwelling unit must be located entirely within the structure containing the permitted principal use.B.The accessory dwelling unit must be clearly incidental and subord...
Shed & Carport Rules
In Anderson County's single-family residential districts, a shed or other accessory building can only go in the rear yard, and it must clear every lot line by at least five feet and cover no more than 20 percent of that rear yard, per Section 5:3.3.
Anderson County Accessory Building Setback Rule
Some RestrictionsAnderson County Code of Ordinances § 5:3.3
5:3.3.Accessory building setback. Accessory buildings may be located in the rear yard, provided that they are set back not less than five feet from any lot line and occupy not more than 20 percent of the rear yard.
All Anderson County ordinances
See every category we cover for Anderson County: parking, noise, fences, fires, animals, pools, and more.
Anderson County Ordinance Hub →