Adopted edition
IRC 2021 (SC amendments)
Effective
State · SC
South Carolina building codes at a glance.
Statewide IRC 2021 + SC amendments. Charleston, Beaufort, and Horry counties enforce 140–160 mph WBDR.
SC South Carolina
IECC zones 3A, 4A · ASCE 7 design wind 100–160 mph
Adoption model
Statewide
Permits issued: State
Coverage status
Indexed
Parcel layer + adopted-edition library + amendment overlay all live.
Climate zones (IECC)
3A · 4A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Design wind speed
100–160 mph
ASCE 7 Risk Category II, 3-second gust at 33 ft. Fastener spec follows.
Special zones
- HVHZ (not applicable)
- WUI (not applicable)
- FEMA SFHA overlays (present)
Compliance track
What's required to build here.
SC Building Codes Council adopts; statewide application. Coastal counties enforce 140–160 mph WBDR.
Statute reference: llr.sc.gov/bcc
Sample counties
How SC varies inside the state.
4 of the highest-volume counties in South Carolina, with notes on local rules that diverge from the state floor.
§01
Horry (Myrtle Beach)
140 mph WBDR
§02
Charleston
160 mph design
§03
Beaufort
150 mph design
§04
Greenville
110 mph design
County directory
All 46 counties in South Carolina.
Each county page shows the adopted edition, county-level amendments, and permit-office contact.
- Abbeville County
- Aiken County
- Allendale County
- Anderson County
- Bamberg County
- Barnwell County
- Beaufort County
- Berkeley County
- Calhoun County
- Charleston County
- Cherokee County
- Chester County
- Chesterfield County
- Clarendon County
- Colleton County
- Darlington County
- Dillon County
- Dorchester County
- Edgefield County
- Fairfield County
- Florence County
- Georgetown County
- Greenville County
- Greenwood County
- Hampton County
- Horry County
- Jasper County
- Kershaw County
- Lancaster County
- Laurens County
- Lee County
- Lexington County
- Marion County
- Marlboro County
- McCormick County
- Newberry County
- Oconee County
- Orangeburg County
- Pickens County
- Richland County
- Saluda County
- Spartanburg County
- Sumter County
- Union County
- Williamsburg County
- York County
City directory
12 cities indexed in South Carolina.
City pages list local amendments, the parent county, and the local permit office.
Working in South Carolina?
Pull an address-level code packet for any property. SkyCanvass resolves the parcel, looks up the jurisdiction's adopted edition + amendments, and emits a cited packet ready for permit submittal.
For state-vs-state comparisons see the state comparison view, or browse the state directory.
Pull a SC code packet.
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