🚽 Septic System Installer License Requirements by State

Compare septic system installer license requirements across all 50 states and DC — experience, exams, fees, and salary data.

State	License Required	Experience	Exam Fee	Median Salary
ALAlabama	Required	—	$75	$42,560
AKAlaska	Not Required	—	—	$60,660
AZArizona	Required	—	$75	$47,452
ARArkansas	Required	—	$75	$41,092
CACalifornia	Required	—	$75	$67,509
COColorado	Required	—	$75	$52,833
CTConnecticut	Required	—	$75	$56,257
DEDelaware	Required	—	$75	$48,920
DCDistrict of Columbia	Required	—	$75	$62,617
FLFlorida	Required	—	$75	$46,963
GAGeorgia	Required	—	$75	$45,495
HIHawaii	Not Required	—	—	$66,042
IDIdaho	Required	—	$75	$45,984
ILIllinois	Required	—	$75	$51,366
INIndiana	Required	—	$75	$44,517
IAIowa	Required	—	$75	$43,538
KSKansas	Not Required	—	—	$43,538
KYKentucky	Required	—	$75	$43,538
LALouisiana	Required	—	$75	$44,028
MEMaine	Required	—	$75	$47,452
MDMaryland	Required	—	$75	$53,322
MAMassachusetts	Required	—	$75	$59,682
MIMichigan	Required	—	$75	$45,984
MNMinnesota	Required	—	$75	$50,876
MSMississippi	Not Required	—	—	$40,603
MOMissouri	Not Required	—	—	$44,028
MTMontana	Required	—	$75	$46,963
NENebraska	Required	—	$75	$44,028
NVNevada	Required	—	$75	$49,898
NHNew Hampshire	Required	—	$75	$50,876
NJNew Jersey	Required	—	$75	$57,725
NMNew Mexico	Required	—	$75	$44,517
NYNew York	Required	—	$75	$63,596
NCNorth Carolina	Required	—	$75	$45,006
NDNorth Dakota	Required	—	$75	$46,474
OHOhio	Required	—	$75	$45,006
OKOklahoma	Required	—	$75	$42,560
OROregon	Required	—	$75	$53,812
PAPennsylvania	Required	—	$75	$47,941
RIRhode Island	Required	—	$75	$50,387
SCSouth Carolina	Required	—	$75	$44,517
SDSouth Dakota	Required	—	$75	$43,049
TNTennessee	Required	—	$75	$44,028
TXTexas	Required	—	$75	$45,984
UTUtah	Required	—	$75	$47,452
VTVermont	Required	—	$75	$49,409
VAVirginia	Required	—	$75	$49,898
WAWashington	Required	—	$75	$57,725
WVWest Virginia	Required	—	$75	$42,071
WIWisconsin	Required	—	$75	$45,984
WYWyoming	Required	—	$75	$46,474

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