Missouri § 341.170 - Qualifications of applicants for master plumber's license.
Full text of Missouri Revised Statutes of Missouri § 341.170 — Qualifications of applicants for master plumber's license., with citation guidance and answers to common questions.
§ 341.170. Qualifications of applicants for master plumber's license.
1. Applicants for a master plumber's license shall be at least twenty-five years of age and shall have had three years or more experience as a licensed journeyman plumber theretofore licensed by any county or city operating under plumbing laws or regulations equal to the requirements of sections 341.090 to 341.220. The applicant shall possess the ability to direct other persons in the installation of plumbing and drainage and shall be skilled in planning, designing and installing plumbing and drainage facilities and shall have a thorough knowledge of the accepted standards, principles and art of plumbing for the protection of the public health.
2. An applicant for a license as a journeyman plumber shall be at least twenty-one years of age and shall have had at least five years' experience as an apprentice under the direction and supervision of a master plumber licensed under the provisions of sections 341.090 to 341.220 or a master plumber licensed under the plumbing laws and regulations of any county or city operating under laws or regulations equal to the requirements of sections 341.090 to 341.220. He shall have a practical knowledge of plumbing and shall be skilled in the art of installing plumbing and drainage facilities and shall have knowledge of the accepted standards and principles of plumbing and sewer or drainage facilities for the protection of the public health.
3. An applicant for a master drainlayer's license shall be at least twenty-five years of age and shall have had three years' or more experience as a licensed journeyman drainlayer theretofore licensed by any county or city operating under plumbing laws or regulations equal to the requirements of sections 341.090 to 341.220. The applicant shall possess the ability to direct other persons in the installation of drains and sewers and shall be skilled in planning, designing and installing sewer and drain facilities and shall have a thorough practical knowledge of the accepted standards, principles and art of drainlaying for the protection of the public health.
4. An applicant for a journeyman drainlayer's license shall have worked at drainlaying under the supervision of a licensed master plumber or master drainlayer for a period of at least one year and shall possess a knowledge of drainlaying and the ability to lay drains and shall have a thorough understanding of sewer and drain installation and shall have the ability to install all types of sewers and drains conformable with standard engineering principles and specifications.
5. Any licensed master plumber or journeyman plumber desirous of engaging in the business of drainlaying shall secure a drainlayer's license and no master plumber or journeyman plumber shall engage in the business of drainlaying without first securing a drainlayer's license.
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(L. 1943 p. 831 § 5)
---- end of effective 28 Aug 1943 ----
Source: official Missouri text · Last verified 2026-08-27
Frequently Asked Questions About Missouri § 341.170
What does Revised Statutes of Missouri § 341.170 cover?
Section 341.170 ("Qualifications of applicants for master plumber's license.") is part of the Revised Statutes of Missouri, the codified statutory law of Missouri. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Missouri § 341.170?
A common citation format is "Revised Statutes of Missouri § 341.170" (Missouri). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Missouri law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Missouri official source linked on this page or consult a licensed Missouri attorney.
How does Missouri § 341.170 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Missouri can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Missouri.