♨️ Boiler Operator License Requirements by State

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

Last updated 2026-05-08

By the numbers: 42 of 51 jurisdictions require a state-level boiler operator license. Apprenticeship and Experience requirements range varies hours. Exam Application Fees range $50–$50. Most state Boards require Continuing Education at every Renewal cycle.

State	License Required	Experience	Exam Fee	Median Salary
ALAlabama	Not Required	—	—	$54,114
AKAlaska	Required	—	$50	$77,128
AZArizona	Not Required	—	—	$60,334
ARArkansas	Required	—	$50	$52,248
CACalifornia	Required	—	$50	$85,836
COColorado	Required	—	$50	$67,176
CTConnecticut	Required	—	$50	$71,530
DEDelaware	Required	—	$50	$62,200
DCDistrict of Columbia	Required	—	$50	$79,616
FLFlorida	Required	—	$50	$59,712
GAGeorgia	Not Required	—	—	$57,846
HIHawaii	Required	—	$50	$83,970
IDIdaho	Not Required	—	—	$58,468
ILIllinois	Required	—	$50	$65,310
INIndiana	Required	—	$50	$56,602
IAIowa	Required	—	$50	$55,358
KSKansas	Not Required	—	—	$55,358
KYKentucky	Required	—	$50	$55,358
LALouisiana	Required	—	$50	$55,980
MEMaine	Required	—	$50	$60,334
MDMaryland	Required	—	$50	$67,798
MAMassachusetts	Required	—	$50	$75,884
MIMichigan	Required	—	$50	$58,468
MNMinnesota	Required	—	$50	$64,688
MSMississippi	Not Required	—	—	$51,626
MOMissouri	Not Required	—	—	$55,980
MTMontana	Required	—	$50	$59,712
NENebraska	Required	—	$50	$55,980
NVNevada	Required	—	$50	$63,444
NHNew Hampshire	Required	—	$50	$64,688
NJNew Jersey	Required	—	$50	$73,396
NMNew Mexico	Required	—	$50	$56,602
NYNew York	Required	—	$50	$80,860
NCNorth Carolina	Required	—	$50	$57,224
NDNorth Dakota	Required	—	$50	$59,090
OHOhio	Required	—	$50	$57,224
OKOklahoma	Required	—	$50	$54,114
OROregon	Required	—	$50	$68,420
PAPennsylvania	Required	—	$50	$60,956
RIRhode Island	Required	—	$50	$64,066
SCSouth Carolina	Not Required	—	—	$56,602
SDSouth Dakota	Required	—	$50	$54,736
TNTennessee	Required	—	$50	$55,980
TXTexas	Required	—	$50	$58,468
UTUtah	Required	—	$50	$60,334
VTVermont	Required	—	$50	$62,822
VAVirginia	Required	—	$50	$63,444
WAWashington	Required	—	$50	$73,396
WVWest Virginia	Required	—	$50	$53,492
WIWisconsin	Required	—	$50	$58,468
WYWyoming	Not Required	—	—	$59,090

Common questions about boiler operator licensing

Do all states require a boiler operator license?

No — 42 of 51 jurisdictions require a state-level boiler operator license. The remainder license at the local or county level, or not at all. See the table above for the per-state breakdown.

How much does it cost to get a boiler operator license?

Application fees across the states range $50–$50. Renewal fees and continuing education hours vary by jurisdiction — check the state-specific page for the exact numbers.

How many apprenticeship hours does a boiler operator license typically require?

Required apprenticeship/work experience hours range varies across states, with most states requiring 2–4 years of supervised on-the-job training plus passing a board-administered exam.

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