☢️ Radon Mitigation License Requirements by State

Compare radon mitigation license requirements across all 50 states and DC — experience, exams, fees, and salary data.

State	License Required	Experience	Exam Fee	Median Salary
ALAlabama	Not Required	—	—	$43,604
AKAlaska	Not Required	—	—	$62,148
AZArizona	Not Required	—	—	$48,616
ARArkansas	Not Required	—	—	$42,100
CACalifornia	Not Required	—	—	$69,165
COColorado	Required	—	$100	$54,129
CTConnecticut	Required	—	$100	$57,637
DEDelaware	Not Required	—	—	$50,120
DCDistrict of Columbia	Not Required	—	—	$64,153
FLFlorida	Required	—	$100	$48,115
GAGeorgia	Not Required	—	—	$46,611
HIHawaii	Not Required	—	—	$67,662
IDIdaho	Not Required	—	—	$47,112
ILIllinois	Required	—	$100	$52,626
INIndiana	Not Required	—	—	$45,609
IAIowa	Required	—	$100	$44,606
KSKansas	Required	—	$100	$44,606
KYKentucky	Not Required	—	—	$44,606
LALouisiana	Not Required	—	—	$45,108
MEMaine	Required	—	$100	$48,616
MDMaryland	Not Required	—	—	$54,630
MAMassachusetts	Not Required	—	—	$61,146
MIMichigan	Not Required	—	—	$47,112
MNMinnesota	Required	—	$100	$52,124
MSMississippi	Not Required	—	—	$41,599
MOMissouri	Not Required	—	—	$45,108
MTMontana	Not Required	—	—	$48,115
NENebraska	Required	—	$100	$45,108
NVNevada	Not Required	—	—	$51,122
NHNew Hampshire	Required	—	$100	$52,124
NJNew Jersey	Required	—	$100	$59,141
NMNew Mexico	Not Required	—	—	$45,609
NYNew York	Required	—	$100	$65,156
NCNorth Carolina	Not Required	—	—	$46,110
NDNorth Dakota	Not Required	—	—	$47,614
OHOhio	Required	—	$100	$46,110
OKOklahoma	Not Required	—	—	$43,604
OROregon	Not Required	—	—	$55,132
PAPennsylvania	Required	—	$100	$49,117
RIRhode Island	Required	—	$100	$51,623
SCSouth Carolina	Not Required	—	—	$45,609
SDSouth Dakota	Not Required	—	—	$44,105
TNTennessee	Not Required	—	—	$45,108
TXTexas	Not Required	—	—	$47,112
UTUtah	Not Required	—	—	$48,616
VTVermont	Not Required	—	—	$50,621
VAVirginia	Required	—	$100	$51,122
WAWashington	Not Required	—	—	$59,141
WVWest Virginia	Not Required	—	—	$43,103
WIWisconsin	Not Required	—	—	$47,112
WYWyoming	Not Required	—	—	$47,614

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Data last verified 2026. Salary data from BLS OEWS. Always verify with your state licensing board.