Book updated Jun 2026.
In the state of Missouri a Contractor License is required for any person that wants to engage in or working at the business of plumbing in cities or towns of fifteen thousand (15.000) or more inhabitants in this the State of Missouri. Contractor Licensing is regulated at the City / County level and not at the State level.
This book covers the ICC Missouri Springfield Journeyman Plumber W25 Exam.
We create these self-practice test questions module referencing the concepts and principles currently valid in the written exam. Each question comes with an answer and a short explanation which aids you in seeking further study information. We want to make sure these questions are tough enough to really test your readiness and draw your focus to the weak areas. Think of these as challenges presented to you so to assess your comprehension of the subject matters. The goal is to reinforce learning, to validate successful transference of knowledge and to identify areas of weakness that require remediation.
