Statewide, South Carolina
Overview
| Name | Residential Building Code – 2021 IRC and Appendix AQ |
|---|---|
| Municipality | Statewide |
| Zoning Districts | Residential |
| Effective Date | 01/01/2023 |
| Municipal Code | SC Residential Building Code 2021 |
| Code Link | https://codes.iccsafe.org/content/SCRC2021P1/appendix-aq-tiny-houses |
| Authority | South Carolina Building Codes Council |
Summary
About this appendix: Appendix AQ relaxes various requirements in the body of the code as they apply to houses that are 400 square feet in area or less. Attention is specifically paid to features such as compact stairs, including stair handrails and headroom, ladders, reduced ceiling heights in lofts and guard and emergency escape and rescue opening requirements at lofts.
Key Contacts
Building Codes Council
Contact.BCC@llr.sc.gov
Tel: (803) 896-4688
110 Centerview Dr
Columbia, SC 29210
Office Hours: 08:30 a.m.- 5:00 p.m.
Notes
State Source: https://codes.iccsafe.org/content/SCRC2021P1/appendix-aq-tiny-houses
Updated: August 2025 – Laura
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Key
Category
Building Code — Legislation that speaks to how to construct a tiny house.
Zoning Code — Legislation that speaks to how the lot will be used.
Type
ADU — Accessory Dwelling Unit
DMV — Division of Motor Vehicles
IB — Industrialized Buildings
IRC — International Residential Code
PUD — Planned Unit Development
RV — Recreational Vehicle
SF — Single Family Dwelling
T — Transitional Housing
UDO — Unified Development Ordinance
Please Suggest a Correction if you find broken links or misinformation.
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