Radon zones in North Carolina
Zone 1: 8, Zone 2: 31, Zone 3: 61. A zone is an area estimate; EPA says all homes should be tested.
- Alamance County Zone 3
- Alexander County Zone 2
- Alleghany County Zone 1
- Anson County Zone 3
- Ashe County Zone 2
- Avery County Zone 2
- Beaufort County Zone 3
- Bertie County Zone 3
- Bladen County Zone 3
- Brunswick County Zone 3
- Buncombe County Zone 1
- Burke County Zone 2
- Cabarrus County Zone 3
- Caldwell County Zone 2
- Camden County Zone 3
- Carteret County Zone 3
- Caswell County Zone 2
- Catawba County Zone 2
- Chatham County Zone 3
- Cherokee County Zone 1
- Chowan County Zone 3
- Clay County Zone 2
- Cleveland County Zone 2
- Columbus County Zone 3
- Craven County Zone 3
- Cumberland County Zone 3
- Currituck County Zone 3
- Dare County Zone 3
- Davidson County Zone 3
- Davie County Zone 3
- Duplin County Zone 3
- Durham County Zone 3
- Edgecombe County Zone 3
- Forsyth County Zone 2
- Franklin County Zone 2
- Gaston County Zone 2
- Gates County Zone 3
- Graham County Zone 2
- Granville County Zone 3
- Greene County Zone 3
- Guilford County Zone 3
- Halifax County Zone 3
- Harnett County Zone 3
- Haywood County Zone 2
- Henderson County Zone 1
- Hertford County Zone 3
- Hoke County Zone 3
- Hyde County Zone 3
- Iredell County Zone 2
- Jackson County Zone 2
- Johnston County Zone 3
- Jones County Zone 3
- Lee County Zone 3
- Lenoir County Zone 3
- Lincoln County Zone 2
- McDowell County Zone 2
- Macon County Zone 2
- Madison County Zone 2
- Martin County Zone 3
- Mecklenburg County Zone 3
- Mitchell County Zone 1
- Montgomery County Zone 3
- Moore County Zone 3
- Nash County Zone 3
- New Hanover County Zone 3
- Northampton County Zone 3
- Onslow County Zone 3
- Orange County Zone 3
- Pamlico County Zone 3
- Pasquotank County Zone 3
- Pender County Zone 3
- Perquimans County Zone 3
- Person County Zone 3
- Pitt County Zone 3
- Polk County Zone 2
- Randolph County Zone 3
- Richmond County Zone 3
- Robeson County Zone 3
- Rockingham County Zone 1
- Rowan County Zone 3
- Rutherford County Zone 2
- Sampson County Zone 3
- Scotland County Zone 3
- Stanly County Zone 3
- Stokes County Zone 2
- Surry County Zone 2
- Swain County Zone 2
- Transylvania County Zone 1
- Tyrrell County Zone 3
- Union County Zone 3
- Vance County Zone 2
- Wake County Zone 2
- Warren County Zone 2
- Washington County Zone 3
- Watauga County Zone 1
- Wayne County Zone 3
- Wilkes County Zone 2
- Wilson County Zone 3
- Yadkin County Zone 2
- Yancey County Zone 2
County not listed? See what we left out and why. Leave your email to hear if this data changes.