Accessory Structures in Richland County, SC (2026)
3 county-level rules, plus city-specific rules for 1 city in Richland County, South Carolina.
Verified from official government sources
ADU Rules
Yes. Unincorporated Richland County allows one accessory dwelling per single-family lot in most residential and rural districts. The unit cannot exceed 500 square feet or one-fourth of the principal home's heated floor area, whichever is greater. A manufactured home may not serve as an accessory dwelling.
Accessory Dwelling Unit Rules in Unincorporated Richland County
Some RestrictionsRichland County LDC Sec. 26-151(b)(1)
Accessory dwellings shall be located only on lots containing one single-family detached structure. Only one accessory dwelling shall be permitted per single-family dwelling. A manufactured home may not be used as an accessory dwelling. The gross floor area of the accessory dwelling shall not exceed five hundred (500) square feet or contain more than one-fourth of the heated floor area of the pr...
Shed & Carport Rules
Richland County has no carport-specific ordinance. A carport is an accessory structure under LDC Sec. 26-185: it may not stand in front of the principal home's building line, must be at least 10 feet from rear property lines, meet the district's side setback, and stay within the district height limit.
Carport Rules in Unincorporated Richland County
Some RestrictionsRichland County LDC Sec. 26-185(b)(1)b
Front yard requirements. Except as otherwise provided in this section, an accessory structure or use shall not be located in front of the building line of the principal structure. ... Rear yard requirement. Accessory uses and structures may be permitted in rear yards, provided that they are located not less than ten (10) feet from any property line.
Tiny Homes
Richland County has no tiny-home-specific ordinance. A tiny house on a permanent foundation is treated as a single-family dwelling that must meet the building code and district lot/setback standards. A tiny house on wheels is regulated like a manufactured/recreational unit and is not a general residential right; manufactured homes are
Tiny Home Rules in Unincorporated Richland County
Some RestrictionsRichland County LDC Sec. 26-151(b)(30)
Dwellings, manufactured homes on individual lots. Use districts: Rural, Manufactured Home Park. Manufactured homes must meet the standards set by the Federal Manufactured Housing Construction and Safety Standards Act of 1974 (which became effective June 15, 1976). The tongue, axles, transporting lights, and removable towing apparatus must be removed subsequent to final placement.
Accessory Structures by City in Richland County
1 cities in Richland County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
All Richland County ordinances
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