State Overview
ND
Select your county below to view itemized mitigation estimates, local labor rates, and EPA zone risk factors.
Adams
Barnes
Benson
Billings
Bottineau
Bowman
Burke
Burleigh
Cass
Cavalier
Dickey
Divide
Dunn
Eddy
Emmons
Foster
Golden Valley
Grand Forks
Grant
Griggs
Hettinger
Kidder
LaMoure
Logan
McHenry
McIntosh
McKenzie
McLean
Mercer
Morton
Mountrail
Nelson
Oliver
Pembina
Pierce
Ramsey
Ransom
Renville
Richland
Rolette
Sargent
Sheridan
Sioux
Slope
Stark
Steele
Stutsman
Towner
Traill
Walsh
Ward
Wells
Williams
ND Radon Levels by County
View EPA zone data and risk classifications
How to Test for Radon
Complete homeowner's testing guide
Why Does Cost Vary in ND?
Cost estimates across ND range due to local labor market conditions and specific EPA zone profiles. Foundation types (basement vs slab) also heavily impact material costs and permit requirements. Choose your specific county to narrow down your estimate bounds.