Adopted edition
IRC 2018 (NC amendments)
Effective
State · NC
North Carolina building codes at a glance.
Statewide NCRC based on IRC 2018. Coastal counties (Outer Banks, Wilmington area) hit 140–150 mph design wind.
NC North Carolina
IECC zones 3A, 4A, 5A · ASCE 7 design wind 100–150 mph
Adoption model
Statewide
Permits issued: State
Coverage status
Indexed
Parcel layer + adopted-edition library + amendment overlay all live.
Climate zones (IECC)
3A · 4A · 5A
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Design wind speed
100–150 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.
NC Residential Code (NCRC) governs statewide. NC Building Code Council issues amendments. Coastal counties enforce 140–150 mph.
Statute reference: www.ncosfm.gov/division/engineering
Sample counties
How NC varies inside the state.
4 of the highest-volume counties in North Carolina, with notes on local rules that diverge from the state floor.
§01
Dare (Outer Banks)
150 mph coastal
§02
Carteret
140 mph coastal
§03
Brunswick
140 mph coastal
§04
Mecklenburg (Charlotte)
110 mph design
County directory
All 100 counties in North Carolina.
Each county page shows the adopted edition, county-level amendments, and permit-office contact.
- Alamance County
- Alexander County
- Alleghany County
- Anson County
- Ashe County
- Avery County
- Beaufort County
- Bertie County
- Bladen County
- Brunswick County
- Buncombe County
- Burke County
- Cabarrus County
- Caldwell County
- Camden County
- Carteret County
- Caswell County
- Catawba County
- Chatham County
- Cherokee County
- Chowan County
- Clay County
- Cleveland County
- Columbus County
- Craven County
- Cumberland County
- Currituck County
- Dare County
- Davidson County
- Davie County
- Duplin County
- Durham County
- Edgecombe County
- Forsyth County
- Franklin County
- Gaston County
- Gates County
- Graham County
- Granville County
- Greene County
- Guilford County
- Halifax County
- Harnett County
- Haywood County
- Henderson County
- Hertford County
- Hoke County
- Hyde County
- Iredell County
- Jackson County
- Johnston County
- Jones County
- Lee County
- Lenoir County
- Lincoln County
- Macon County
- Madison County
- Martin County
- McDowell County
- Mecklenburg County
- Mitchell County
- Montgomery County
- Moore County
- Nash County
- New Hanover County
- Northampton County
- Onslow County
- Orange County
- Pamlico County
- Pasquotank County
- Pender County
- Perquimans County
- Person County
- Pitt County
- Polk County
- Randolph County
- Richmond County
- Robeson County
- Rockingham County
- Rowan County
- Rutherford County
- Sampson County
- Scotland County
- Stanly County
- Stokes County
- Surry County
- Swain County
- Transylvania County
- Tyrrell County
- Union County
- Vance County
- Wake County
- Warren County
- Washington County
- Watauga County
- Wayne County
- Wilkes County
- Wilson County
- Yadkin County
- Yancey County
Working in North 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 NC code packet.
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