Building Codes

Building Codes in Effect as of January 1, 2023.

The following are mandatory codes and the adopted modifications for use in South Carolina and their dates of implementation which must be enforced by jurisdictions:

• 2021 SC Building Code or the 2021 International Building Code with SC modifications
• 2021 SC Residential Code or the 2021 International Residential Code with SC modifications
• 2021 SC Fire Code or the 2021 International Fire Code with SC modifications
• 2021 SC Plumbing Code or the 2021 International Plumbing Code with SC modifications
• 2021 SC Mechanical Code or the 2021 International Mechanical Code with SC modifications
• 2021 SC Fuel Gas Code or the 2021 International Fuel Gas Code with SC modifications
• 2009 International Energy Conservation Code
• 2020 National Electric Code (NFPA 70) with SC modifications
• The latest edition of ICC/ANSI A117.1, Accessible and Useable Buildings and Facilities, is adopted by the Accessibility Act, S.C. Code Ann. § 10-5-210 et seq., and is mandatory for use in all municipalities and counties within the State.

The Building Energy Efficiency Standards Act is adopted by statute and mandatory for use in all jurisdictions within the State.

Permissive code that has been adopted by the City of Hanahan: 2021 International Property Maintenance Code.

South Carolina Modifications to the codes can be viewed online at the South Carolina Department of Labor, Licensing and Regulation’s website under the Building Codes Council: Click Here  

The International Building Code Series can be viewed online:  Click Here 

The National Electric Code can be viewed online: Click Here 

Notice for Implementation of the 2021 International Codes on January 1, 2023  Click Here