Certification impact
Plumber Certifications & Licenses
Certifications that move the needle on Plumber compensation and career progression.
Industry
Trades
Avg uplift
+16%
Top cert salary
$73,200
Journeyman → Master license
License tier dictates billing rate
Salary uplift: +22%
Projected: $73,200
Specialty endorsements
Commercial / high-voltage work
Salary uplift: +9%
Projected: $65,400
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