Mo. Rev. Stat. ch. 341

Mo. Rev. Stat. ch. 341
in effect

Mo. Rev. Stat. § 341.010 Plumbers must have certificates.

341.010. Plumbers must have certificates. — That any person now or hereafter engaging or working at the business of plumbing in cities or towns of fifteen thousand or more inhabitants in this state, either as master plumber or journeyman plumber, shall first receive a certificate thereof in accordance with the provisions of sections 341.010 to 341.080 . (RSMo 1939 § 7560) Prior revisions: 1929 § 7417; 1919 § 8825; 1909 § 9670

Mo. Rev. Stat. § 341.020 Examination for certificate.

341.020. Examination for certificate. — Any person desiring to engage or work at the business of plumbing, either as a master plumber, employing plumber, or as a journeyman plumber, in cities having a population of fifteen thousand or more, shall make application to a board of examiners herein provided for, and shall at such times and places as said board may designate, be compelled to pass such examination as to his qualifications as said board may direct. Said examination may be made in whole or in part in writing and shall be of practical and elementary character, but sufficiently strict to test the qualifications of the applicant. (RSMo 1939 § 7561) Prior revisions: 1929 § 7418; 1919 § 8826

Mo. Rev. Stat. § 341.030 Application.

341.030. Application. — All persons who are required by sections 341.010 to 341.080 to take examinations and procure a certificate shall apply to the board of the city where they reside or to the board nearest their place of residence. (RSMo 1939 § 7564) Prior revisions: 1929 § 7421; 1919 § 8829

Mo. Rev. Stat. § 341.040 Board of examiners - how constituted.

341.040. Board of examiners — how constituted. — That there shall be in every city of fifteen thousand inhabitants or more, a board of examiners of plumbers, consisting of three members, one of which shall be the chairman of the board of health of said city, who shall be ex officio chairman of said board of examiners; a second member, who shall be a master plumber; a third member shall be a journeyman plumber. Said second and third members shall be appointed by the mayor and approved by the council or city commissioners, as the case may be, of said cities within three months after the passage of sections 341.010 to 341.080 , for a term of one year, and shall be paid from the treasury of said city, the same as other officers, in such sums as the authorities may designate; provided, that in no event shall such sums paid second and third members exceed the amount paid for certificates, as provided for in section 341.050 ; and further provided, that the second and third members of said board shall have at least six years' practical experience as plumbers and be actually engaged in or working at the plumbing business at the time of such appointment. (RSMo 1939 § 7562) Prior revisions: 1929 § 7419; 1919 § 8827 (1977) Held, chapter 341, RSMo, is not applicable to a constitutional charter city because of the provisions of Art. VI, Sec. 22, constitution of Missouri. State ex rel. Sprague v. City of St. Joseph (Mo.), 549 S.W.2d 873.

Mo. Rev. Stat. § 341.050 Meeting of board - examination - fees.

341.050. Meeting of board — examination — fees. — Said board of examiners shall, within ten days after their appointments, meet, and shall then designate the times and places for examination of all applicants desiring to engage in or work at the business of plumbing within their respective jurisdiction. Said board shall examine said applicants as to their practical knowledge of plumbing, house drainage and ventilation, and if satisfied of the competency of such applicants, shall thereupon issue a certificate to such applicant authorizing him to engage in or work at the business of plumbing either as a master plumber or employing plumber or journeyman plumber. The fee for a certificate for a master plumber or employing plumber shall be five dollars; for a journeyman plumber it shall be one dollar. Said certificate shall be valid and have force throughout the state and shall be renewable annually, and all fees received for said certificates shall be paid into the treasury of the city where such certificates are issued. (RSMo 1939 § 7563) Prior revisions: 1929 § 7420; 1919 § 8828

Mo. Rev. Stat. § 341.060 Plumbing regulated by city.

341.060. Plumbing regulated by city. — Each city with a population of fifteen thousand or more in the state shall, by ordinance, within three months after the passage of sections 341.010 to 341.080 , prescribe rules and regulations for the material, construction and inspection of all plumbing and sewerage placed in, or in connection with, any building in each city, and the board of health or proper authorities shall further provide that no plumbing work shall be done without a permit being issued therefor upon such terms and conditions as said city shall prescribe. (RSMo 1939 § 7565) Prior revisions: 1929 § 7422; 1919 § 8830

Mo. Rev. Stat. § 341.070 Inspector - qualifications.

341.070. Inspector — qualifications. — Each city with a population of fifteen thousand or more in the state, shall by ordinance, within three months after the passage of sections 341.010 to 341.080 , create an office of plumbing inspector, whose duty it shall be to inspect all plumbing installed and furnish a certificate of approval of the same. Said plumbing inspector shall not have less than six years' practical experience at the plumbing business, and shall not be interested, either directly or indirectly, with any firm or corporation engaged in the plumbing business. The salary of said plumbing inspector to be provided for by the respective cities. (RSMo 1939 § 7566) Prior revisions: 1929 § 7423; 1919 § 8831

Mo. Rev. Stat. § 341.080 Penalty.

341.080. Penalty. — Any person violating any provisions of sections 341.010 to 341.080 shall be deemed guilty of a misdemeanor. (RSMo 1939 § 7567) Prior revisions: 1929 § 7424; 1919 § 8832

Mo. Rev. Stat. § 341.090 Definitions.

341.090. Definitions. — 1. The word "person" as used herein shall be construed to mean a natural person, firm, corporation, association, partnership or common law trust and shall include the owner, lessee or keeper of any building or premises or the agent thereof or building contractor engaged in the construction of any building or structure. 2. The term "minor repairs" shall be construed to mean repairs within the interior of any building to leaks in drains, pipes, traps and cocks, opening waste or supply pipes, traps or drains, and repairing broken fixtures or frozen pipes. It shall not be construed to include any work involving connections to soil pipes, supply pipes, waste pipes, vent pipes or inside rain leader pipes, or the replacing or setting of any fixture, or any other installation, repair or alteration which in the judgment of the supervisor is of such a nature which if improperly installed, repaired or altered would endanger the public health. 3. The word "apprentice" as used herein shall be construed to mean a person learning the principles and art of installing plumbing and drainage facilities, under the personal direction and supervision of a licensed master plumber or a licensed journeyman plumber. (L. 1943 p. 831 § 15)

Mo. Rev. Stat. § 341.100 Title of law - to what counties applicable.

341.100. Title of law — to what counties applicable. — Sections 341.090 to 341.220 shall be known as the "Uniform Plumbing Code", and shall apply to counties of the first class only. Sections 341.090 to 341.220 shall become effective in any county of the first class only upon a finding by the county commission of such county that it is necessary for the promotion of the public health and safety of such county. From and after the making of such finding and the entry of same upon the records of the county commission sections 341.090 to 341.220 shall be in full force and effect in such county and not otherwise. (L. 1943 p. 831 § 2, A.L. 1945 p. 1385, A. 1949 H.B. 2077)

Mo. Rev. Stat. § 341.110 Creating department of plumbing and sewer inspection.

341.110. Creating department of plumbing and sewer inspection. — There is hereby created a "Department of Plumbing and Sewer Inspection" which department shall be under the direction and supervision of a plumbing supervisor who shall be appointed by the county commission and who is charged with the duty of carrying into effect the provisions of sections 341.090 to 341.220 . Such supervisor shall be at least thirty-five years of age, a resident of the county and shall have had at least ten years' experience as a licensed plumber immediately preceding his appointment and shall serve at the pleasure of the county commission. (L. 1943 p. 831 § 3)

Mo. Rev. Stat. § 341.120 County commission shall provide necessary personnel and quarters for ...

341.120. County commission shall provide necessary personnel and quarters for department. — The county commission shall in the establishment of the department of plumbing and sewer inspection provide the necessary personnel and employees and shall provide suitable quarters for such department and shall make adequate appropriation for the necessary equipment, facilities and operating expenses of such department. The compensation of the supervisor of the department of plumbing and sewer inspection shall be fixed by the county commission and shall be payable pro rata monthly by the county commission out of the county treasury and he shall appoint with the approval of the county commission the necessary assistant inspectors who shall receive such salaries as may be determined by the county commission payable in the manner aforesaid, and who shall not engage or work in the business of plumbing or drainlaying during the period of their employment. (L. 1943 p. 831 § 12)

Mo. Rev. Stat. § 341.130 County commission to adopt regulations for installations and inspections - ...

341.130. County commission to adopt regulations for installations and inspections — schedule of fees. — For the purpose of promoting health, safety and the general welfare and to carry into effect the purposes and provisions of sections 341.090 to 341.220 , the county commission is hereby empowered to adopt by order rules and regulations for the installations and inspections of all public or private water or plumbing facilities and appurtenances and all installations relating thereto, sewers, sewer systems, water or sewer connections, septic tank or sewage settling tank or device, and all installations related thereto. The regulations shall contain a schedule of fees to be charged for inspections which are required to be made under the provisions of sections 341.090 to 341.220 . It shall be the duty of the board of plumbing and sewer inspection to prepare a code of regulations approved by the department of health which shall be submitted to the county commission for adoption. Before the adoption of such code of regulations, the board shall hold at least one public hearing thereon, fifteen days' notice of the time and place of which shall be published in at least one newspaper having general circulation within the county and notice of such hearing shall also be posted at least fifteen days in advance thereof in four conspicuous places in the county. (L. 1943 p. 831 § 11)

Mo. Rev. Stat. § 341.140 Who shall make installations or repairs - permit required.

341.140. Who shall make installations or repairs — permit required. — No person shall cause, authorize or permit the installation, construction, alteration or repair of any sewer or sewage treatment device, plumbing or drainlaying or installation relating thereto, except minor repairs, upon or about any building or premises owned, operated or controlled by any such person except by a licensed plumber or drainlayer and shall before such work is commenced procure a permit from the department of plumbing and sewer inspection authorizing such work to be done nor shall any licensed plumber or licensed drainlayer commence any such installation or construction until a permit shall have been obtained from said department authorizing such work to be done and until all inspection fees shall have been paid pursuant to the regulations adopted under the provisions of sections 341.090 to 341.220 . The above provision requiring permits shall apply with equal force to plumbing, sewer or sewage treatment or drainlaying or installations or constructions relating thereto done in any private or public building, street, easement, lot or premises. All work shall be done by or under the direction or supervision of the plumber or drainlayer in whose name the permit has been issued. (L. 1943 p. 831 § 9)

Mo. Rev. Stat. § 341.150 Plumbing supervisor shall examine all applications and proposed plans for ...

341.150. Plumbing supervisor shall examine all applications and proposed plans for plumbing. — It shall be the duty of the plumbing supervisor to examine or cause to be examined all applications and proposed plans for the installation of plumbing and drainlaying, including all combined storm water and sanitary sewer or sanitary sewers and all connections thereto, and he shall examine and inspect all sewage treatment devices or equipment of whatever character and if found to be in conformity with the provisions of sections 341.090 to 341.220 and regulations adopted pursuant thereto, he shall approve such proposed installation and equipment and shall issue permits for the installation thereof. He shall be required to investigate any report of the installation of defective work or materials not in conformity with the provisions of sections 341.090 to 341.220 , and derogatory to established principles of public health and shall require the correction of such defective installation. He shall inspect or cause inspection to be made of all water and sewer connections, and all repairs to water and sewer pipes where an excavation is required, all rough and finished plumbing installations, materials and fixtures, and all drainlaying, sanitary sewers and all connections thereto, and any and all sewage treatment, equipment or facilities, and require their installation in compliance with the provisions of sections 341.090 to 341.220 and the regulations adopted pursuant thereto. He shall report to the prosecuting attorney any and all violations of sections 341.090 to 341.220 or the regulations adopted pursuant thereto. He shall supervise the department of plumbing and sewer inspection and shall keep a proper book record of all transactions and shall make annual report thereof to the county commission and shall collect all fees required to be paid under the provisions of sections 341.090 to 341.220 and shall pay the same promptly into the county treasury. (L. 1943 p. 831 § 10)

Mo. Rev. Stat. § 341.160 Creating board of plumbing and sewer inspection - who shall be on board - ...

341.160. Creating board of plumbing and sewer inspection — who shall be on board — qualifications — rules — pay of members. — A "Board of Plumbing and Sewer Inspection" is hereby created which shall consist of one licensed master plumber who shall also be a licensed master drainlayer and one licensed journeyman plumber to be appointed by the county commission. The term of office of said two members of said board shall be two years. The county health commissioner and the supervisor of the department of plumbing and sewer inspection shall be ex officio members of the board. The master plumber shall act as chairman of the board and the supervisor of the department of plumbing and sewer inspection shall act as secretary of the board and shall keep a full and complete record of the acts and proceedings of said board and shall provide all applicants for a license under sections 341.090 to 341.220 with blank application forms. The board of plumbing and sewer inspection shall examine all applicants for a license to act as a plumber or drainlayer or to engage in the business of plumbing or drainlaying and shall adopt rules governing its organization and proceedings and shall have the power to revoke any license heretofore granted or granted by it. All persons heretofore licensed under the provisions of art. 2, chap. 143, RSMo 1939, shall be deemed to have been licensed under the provisions of sections 341.090 to 341.220 and no person may engage or work at the business of plumbing either as a master plumber or a journeyman plumber or a drainlayer without a license issued by the board of plumbing and sewer inspection. The members of the board shall meet at least once a month and shall each receive ten dollars for each meeting, to be paid by the county commission, except the health commissioner and the supervisor of the department of plumbing and sewer inspection who shall serve without compensation. (L. 1943 p. 831 § 4)

Mo. Rev. Stat. § 341.170 Qualifications of applicants for master plumber's license.

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. (L. 1943 p. 831 § 5)

Mo. Rev. Stat. § 341.180 Fees with applications for licenses - term of licenses - reexaminations.

341.180. Fees with applications for licenses — term of licenses — reexaminations. — An applicant for a master plumber's license or a master drainlayer's license shall deposit with the application a fee in the sum of ten dollars; and an applicant for a journeyman plumber's license or a journeyman drainlayer's license shall deposit with the application a fee in the sum of two dollars. The term of all licenses shall be one year and such license may be renewed by application therefor to the board of plumbing and sewer inspection upon the payment of the license fee herein provided. The failure to secure a renewal license on or before the expiration of the original license shall require the applicant for such license to submit to reexamination upon the same terms and conditions imposed upon new applicants. The license fee deposited with the applicant's application shall be forthwith paid into the county treasury. Any applicant failing to pass a satisfactory examination for a license may submit a new application for examination, ninety days after the date of the original application, accompanied by the examination fee provided herein. (L. 1943 p. 831 § 6)

Mo. Rev. Stat. § 341.190 Powers of board to revoke or suspend license.

341.190. Powers of board to revoke or suspend license. — The board of plumbing and sewer inspection shall have the power to revoke or suspend any license issued by the board upon satisfactory proof that the holder of such license shall have obtained the same by fraud or misrepresentation or failed to or refused to comply with the provisions of sections 341.090 to 341.220 or regulations adopted pursuant thereto after notice given by the supervisor or has been convicted of the violation of any of the provisions of sections 341.090 to 341.220 and the regulations adopted thereunder. A revoked or suspended license shall be subject to reinstatement after a period of three months from the date of its revocation or suspension upon application in the same manner as provided herein for the original application for license. The finding of the board in revoking any such license may be reviewed by the circuit court of the county by certiorari. (L. 1943 p. 831 § 7)

Mo. Rev. Stat. § 341.200 Master plumber and master drainlayer shall deposit surety bonds - amount.

341.200. Master plumber and master drainlayer shall deposit surety bonds — amount. — 1. Before a license shall be issued to any master plumber, he shall be required to file with the supervisor of the department of plumbing and sewer inspection a surety bond in the amount of two thousand dollars with one licensed corporate surety; and before a license shall be issued to any master drainlayer, he shall be required to file with the supervisor a surety bond in the amount of two thousand dollars with one licensed corporate surety. Said bond shall be subject to the approval of the county counselor and shall be given for the faithful observance of all orders and regulations adopted under the provisions of sections 341.090 to 341.220 for the protection of the public health and safety and shall indemnify the county or any person for any damage or injury sustained through the negligence of such plumber or drainlayer in performing plumbing or drainlaying work and shall indemnify any person for any damage or injury sustained resulting from the failure to perform plumbing and drainlaying work in a careful and workmanlike manner, in conformity with the provisions of sections 341.090 to 341.220 and the regulations adopted pursuant thereto and shall be conditioned that the principal in said bond will employ licensed journeyman plumbers or licensed journeyman drainlayers in the performance of plumbing and drainlaying work. 2. It shall be the duty of every licensed master plumber or journeyman plumber or drainlayer to show on demand his license to engage in such work to any inspector of the department of plumbing and sewer inspection. A person securing a drainlayer's license shall not be permitted to do plumbing work or to install any plumbing equipment or facilities within the interior of any building and it shall be unlawful for any person to hold himself out or to represent himself to be a licensed plumber or licensed drainlayer without first having secured a license as provided by sections 341.090 to 341.220 . (L. 1943 p. 831 § 8)

Mo. Rev. Stat. § 341.210 Law shall not be construed as limiting or restricting existing authority - ...

341.210. Law shall not be construed as limiting or restricting existing authority — when law not applicable. — Sections 341.090 to 341.220 shall not be construed as limiting or otherwise restricting the existing authority of any city, town or village in such counties, and the provisions hereof shall not be applicable within the limits of any such municipality which has provided or which may hereafter provide by ordinance for the regulation of plumbing, sewer, and water installations therein; provided that such ordinances shall not be in conflict with this law or the regulations adopted hereunder; provided further, that any plumber or drainlayer who has been licensed by the board of plumbing and sewer inspection of counties subject to the provisions of sections 341.090 to 341.220 , and who has deposited the required bond with said board, shall not be required to furnish an additional bond by any municipality in such counties, but the bond deposited with the county board of plumbing and sewer inspection shall be available for the protection of such municipalities, and the residents thereof. (L. 1943 p. 831 § 13)

Mo. Rev. Stat. § 341.220 Penalties for violation.

341.220. Penalties for violation. — Any person, plumber or drainlayer who shall violate any of the provisions of sections 341.090 to 341.220 shall be deemed guilty of a misdemeanor and upon conviction shall be subject to a fine of not less than five dollars and not more than one hundred dollars for each offense. Each day in which sections 341.090 to 341.220 are violated shall constitute a separate offense. The prosecuting attorney shall rigidly enforce the provisions of sections 341.090 to 341.220 and the sheriff and constables of the county and the police officers of every city, town or village located in counties subject to the provisions of sections 341.090 to 341.220 are directed and are required to make arrests for the violation thereof. (L. 1943 p. 831 § 14)
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://revisor.mo.gov/main/OneChapter.aspx?chapter=341Fetched: 10/17/2026