The South Carolina (SC) Building Code Council has set the effective date for the 2021 SC building code implementation as January 1, 2023. All projects submitted for permit by close of business Friday, December 30th, will only be accepted under South Carolina's 2018 building code edition. All projects submitted for permit on or after Monday, January 2nd, will only be accepted under South Carolina's 2021 building code edition.
The adopted modifications and the mandatory codes are as follows:
- 2018 South Carolina Building Code or the 2018 International Building Code with SC modifications
- 2018 South Carolina Residential Code or the 2018 International Residential Code with SC modifications 2018 South Carolina Fire Code or the 2018 International Fire Code with SC modifications
- 2018 South Carolina Plumbing Code or the 2018 International Plumbing Code
- 2018 South Carolina Mechanical Code or the 2018 International Mechanical Code with SC modifications 2018 South Carolina Fuel Gas Code or the 2018 International Fuel Gas Code with SC modifications
- 2009 South Carolina Energy Conservation Code
- 2017 National Electrical Code (NFPA 70) with SC modifications