248 CMR 11.02
Education and Experience Requirements for Apprentices, Journeyman and Master Licensees;
Education and Experience Requirements for Undiluted Liquefied Petroleum Gas Installers and
Limited Undiluted Liquefied Petroleum Gas Installers
(1) Qualifications for Admission to the Journeyman Plumber Examination.
(a) Apprentice Plumber. An applicant who is a licensed apprentice plumber in accordance
with M.G.L. c. 142, § 3A shall be required to fill out a Board approved application and
complete the following education and experience criteria to be eligible for admission to the
journeyman plumber examination:
1. Experience. The applicant shall furnish documentary proof satisfactory to the Board
of having completed practical work experience that totals no less than 6,800 clock hours
as a licensed apprentice working as an employee under the direct supervision of a
Commonwealth of Massachusetts licensed master plumber or under the direct
supervision of a Commonwealth of Massachusetts licensed journeyman plumber who is
in the employ of a master plumber. Experience installing HVAC components for the
installation of heating systems, steam piping and hydronic heat piping shall not be
considered qualifying experience. However, the Board shall have discretion to grant
partial credit for relevant experience in a related trade.
2. Education.
a. The applicant shall furnish documentary proof of having received a high school
diploma or the equivalent; and
b. The applicant shall furnish documentary proof of having successfully completed
550 clock hours of plumbing and gas fitting theory culminating in a school or
instructor designed examination to ensure competency. This education must take
place over a period of no less than four years and must meet the Board administrated
requirements of 248 CMR 11.00. For each calendar year, no more than 165 hours of
education may be credited for licensure purposes.
c. Apprentices shall begin their education program within nine months of the initial
issuance of their apprentice license.
(Mass. Register #1559, 10/24/2025)
3. Timeframes for Completing Education and Work Experience.
a. General Rule. For each year in which an apprentice obtains 165 clock hours of
education (one and a half tiers), that apprentice must accrue 1,700 clock hours of
qualifying work experience as a licensed apprentice. This general rule is subject to
exceptions as described in 248 CMR 11.02:
b. Exception 1. In the event that, due to a hardship, an Apprentice is enrolled in a
tier but loses their employment, they shall be permitted to complete the tier they are
enrolled in.
c. Exception 2. A licensed apprentice may complete all 220 hours of Tier 1 and Tier
2 in a single calendar year.
d. Exception 3. An unlicensed individual, who by definition may not accrue work
experience, may complete Tier 1 of the education requirement prior to licensure. All
remaining education and work experience must be accrued in compliance with the
licensing and timeframes described above.
e. Exception 4. The Board may permit additional exceptions from these restrictions
for good cause shown.
4. Public Comprehensive High School Career/Vocational Technical School Program.
An applicant who, as a secondary school student, successfully completes/graduates from
a Public Comprehensive High School Career/Vocational Technical School Program
following the CVTE (Career Vocational Technical Education) educational standard
framework whose program is approved by the Board to meet the requirements of
248 CMR 11.00, may be granted a maximum of the first three tiers, comprising
330 hours of educational theory credit from that program. Additionally, secondary
students may accrue a maximum of 1,700 hours of experience credit while enrolled in
a Board approved Massachusetts Public Comprehensive High School Career/Vocational
Technical School Program, said experience hours may be accrued as follows:
a.
In a "shop" or "laboratory" facility at the school where students are under the
direct supervision of one or more licensed plumbers who meet the educator licensing
requirements of the Department of Elementary and Secondary Education;
b.
In a Board-approved, off-campus construction and/or maintenance project
overseen by the school; or
c.
After obtaining an apprentice license, in a school arranged co-op employment
relationship with a master plumber. Subject to the limitations of 248 CMR 11.00,
students working as apprentices are eligible for experience hours above and beyond
the 1,700 hours of experience for work experience in a co-op relationship that is
documented by the employing master plumber to have occurred outside of normal
school hours (such as evenings, weekends, and summers).
(b) Limitation on Examination Attempts. A licensed apprentice shall not be permitted to
attempt the journeyman license examination more than six times without special Board
approval demonstrating good cause.
(c) Apprentice Plumber License Renewal Limited.
An apprentice license shall not be renewed (nor shall the licensee be eligible for a
new license) after ten years from the date the license was initially granted on or after
September 1, 2018, whichever comes later.
2. Waivers of renewal restriction
An apprentice whose license is not eligible for renewal pursuant to this section shall be
permitted to petition the Board for reinstatement, for good cause, of his or her apprentice license.
(d) Credit for licensure, education, and experience obtained pursuant to other Board issued
licenses
1. A Massachusetts licensed journeyman or master gas fitter may, upon petition to the
Board, utilize up to 220 hours of gas fitting education and 3,400 hours of gas fitting work
experience towards the requirements necessary to obtain a journeyman plumbing license.
2. A Massachusetts licensed apprentice gas fitter who has not obtained a higher level
license may, upon petition to the Board, utilize up to 110 hours of gas fitting education
and 1,700 hours of gas fitting work experience towards the requirements necessary to
obtain a journeyman plumbing license.
3. A Massachusetts licensed undiluted liquefied petroleum gas installer or an unlicensed
undiluted liquefied petroleum gas installer in training may, upon petition to the Board,
utilize up to 110 hours of undiluted liquefied petroleum gas education and 1,700 hours
of undiluted liquefied petroleum gas work experience towards the requirements necessary
to obtain a journeyman plumbing license.
No credit shall be granted for education or work experience as a limited undiluted
liquefied petroleum gas installer.
(2) Qualifications for Admission to the Master Plumber Examination.
(a) An applicant who is a licensed journeyman plumber shall be required to file a completed
application and meet the following education and experience criteria to be eligible for
admission to the master plumber examination:
Experience. The applicant shall furnish documentation satisfactory to the Board
demonstrating completion of no less than one year practical experience totaling a
minimum of 1,700 clock hours of experience as the holder of a Commonwealth of
Massachusetts journeyman plumber license and demonstrating that he or she has been
actively engaged in or working at the business of installing repairing, or maintaining
plumbing and gas fitting systems, apparatus, devices, fixtures or other appliances typical
to the discipline of the plumbing and gas fitting industry only.
Education. The applicant shall furnish documentation satisfactory to the Board of
having completed the 110 hour tier five of the five tier Plumber Educational Program as
approved by the Board and described in 248 CMR 11.06. Individuals who completed
this education as an apprentice shall not be required to complete any additional
education.
(3) Qualifications for Admission to the Journeyman Gas fitter Examination.
(a) Apprentice Gas fitter. An applicant who is a licensed apprentice gas fitter in accordance
with M.G.L. c. 142, § 3A shall be required to fill out a complete application and complete
the following education and experience criteria to be eligible for admission to the
journeyman gas fitter examination:
Experience. The applicant shall furnish documentation satisfactory to the Board
demonstrating completion of practical work experience of no less than 5,100 clock hours
as a licensed apprentice working as an employee under the direct supervision of a
licensed master gas fitter or under the direct supervision of a licensed journeyman gas
fitter who is in the employ of a master gas fitter in accordance with M.G.L. c. 142, § 3,
installing, repairing, or maintaining gas piping systems, apparatus, devices, fixtures or
other appliances typical to the discipline of the gas fitting industry only. Experience that
is limited to installing HVAC components for the installation of heating systems, steam
piping and hydronic heat piping shall not be considered qualifying experience. However,
the Board shall have discretion to grant partial credit for relevant experience in a related
trade.
2. Education.
a. The applicant shall furnish documentation to the Board of having received a high
school diploma or the equivalent, and;
b.
The applicant shall furnish documentary proof of having completed 330 clock
hours of apprenticeship gas fitting educational theory culminating in a school or
instructor designed examination to ensure competency. This education must take
place over a period of no less than three years and meet the Board administered
requirements of 248 CMR 11.00.
3. Timeframes for completing education and work experience
a. General Rule. For each year in which an apprentice obtains 110 clock hours of
education, that apprentice must accrue 1,700 clock hours of qualifying work
experience as a licensed apprentice. This general rule is subject to exceptions as
described in 248 CMR 11.02(3).
b. Exception 1. In the event that, due to a hardship, an Apprentice is enrolled in a
Tier but loses their employment, they shall be permitted to complete the Tier they are
enrolled in.
c. Exception 2. A licensed apprentice may complete Tier 1 and Tier 2 in a single
calendar year.
d. Exception 3. An unlicensed individual, who by definition may not accrue work
experience, may complete Tier 1 of the education requirement prior to licensure. All
remaining education and work experience must be accrued in compliance with the
licensing and timeframes described above.
e. Exception 4. The Board may permit additional exceptions from these restrictions
for good cause shown.
(b) Limitation on Examination Attempts. A licensed apprentice shall not be permitted to
attempt the journeyman license examination more than six times without special Board
approval demonstrating good cause.
(c) Apprentice Gas fitter License Renewal Limited.
An apprentice license shall not be renewed (nor shall the licensee be eligible for a
new license) after ten years from the date the license was initially granted or on or after
September 1, 2018, whichever comes later.
2. Waivers of renewal restriction
An apprentice who is not eligible for renewal pursuant to the requirements of 248 CMR
11.02(3) shall be permitted to petition the Board for reinstatement, for good cause, of his or her
apprentice license.
(d)
Credit for Licensure, Education, and Experience Obtained Pursuant to other Board
Issued Licenses.
While not required to practice gas fitting, a journeyman or master plumber who
desires a journeyman gas fitting license may obtain the license by submitting a completed
application, paying the appropriate fee, and passing the requisite examination. Such
applicants need not obtain additional education or work experience.
2. A Massachusetts licensed undiluted liquefied petroleum gas installer or an unlicensed
undiluted liquefied petroleum gas installer in training may, upon petition to the Board,
utilize up to 220 hours of undiluted liquefied petroleum gas education and 3,400 hours
of undiluted liquefied petroleum gas work experience towards the requirements necessary
to obtain a journeyman gas fitting license.
3. A Massachusetts licensed apprentice plumber may, upon petition to the Board, utilize
up to 110 hours of education and 1,700 hours of undiluted work experience towards the
requirements necessary to obtain a journeyman gas fitting license. Said work experience
must have been obtained performing gas installations with the applicant under the direct
supervision of a Massachusetts licensed master plumber who can certify that the work
experience was specific to gas fitting.
No credit shall be granted for education or work experience as a limited undiluted
liquefied petroleum gas installer.
(4) Qualifications for Admission to the Master Gas fitter Examination.
(a) An applicant who is a licensed journeyman gas fitter shall be required to complete the
following education and experience criteria to be eligible for admission to the master gas
fitters examination:
Experience. The applicant shall furnish documentation satisfactory to the Board
demonstrating completion of no less than one year practical experience totaling a
minimum of 1,700 clock hours of experience as the holder of a Commonwealth of
Massachusetts journeyman gas fitter license and has been actively engaged in or working
at the business of installing repairing, or maintaining gas fitting systems, apparatus,
devices, fixtures, or other appliances typical to the discipline of the gas fitting industry
only. However, the Board shall have discretion to grant partial credit for relevant
experience in a related trade.
2. Education. The applicant shall furnish documentation satisfactory to the Board of
having completed 50 clock hours of gas fitting theory in a master gas fitter educational
program, culminating in a school or instructor designed examination to ensure
competency. This program must meet the Board administered requirements of 248 CMR
11.00. However, applicants who have completed the 110 hour tier three of the three-tier
Gas Fitter Educational Program as approved by the Board and described in 248 CMR
11.06 shall be exempt from having to obtain additional education.
3. Master Plumbers. While not required to practice gas fitting, a master plumber who
desires a master gas fitting license may obtain the license by submitting a completed
application and, paying the appropriate fee. Such applicants need not obtain additional
education or work experience.
(5)
Qualifications for Admission to the Undiluted Liquefied Petroleum Gas Installer
Examination.
(a)
An applicant for licensure as an undiluted liquefied petroleum gas installer shall be
required to complete the education and experience requirements in order to be eligible for
admission to the undiluted liquefied petroleum gas installer examination:
Experience. The applicant shall furnish documentation satisfactory to the Board
demonstrating completion of practical work experience of no less than 3,400 clock hours
over a period of no less than two years specifically in the discipline of undiluted liquefied
petroleum gas installations working, as an employee under the direct supervision of a
Commonwealth of Massachusetts licensed undiluted liquefied petroleum gas fitting
installer or a licensed journeyman or master plumber or gas fitter licensed in accordance
with M.G.L. c. 142, § 3. Said applicant shall only be granted experience in which he or
she was engaged in installing, repairing, or maintaining propane gas piping systems,
apparatus, devices, fixtures or other appliances restricted to the discipline of the
undiluted liquefied petroleum gas fitting industry. Experience that is limited to installing
HVAC components for the installation of heating systems, steam piping, hydronic heat
piping, and other work falling under the scope of the gas fitting license, shall not be
considered qualifying experience. As of this time, individuals accruing experience under
248 CMR 11.02, who will be considered undiluted liquefied petroleum gas installers in
training, are not required to hold a license in Massachusetts.
2. Education.
a.
The applicant shall furnish documentation satisfactory to the Board of having
received a high school diploma or the equivalent, and:
b.
The applicant shall furnish documentary proof of having completed 220 clock
hours of undiluted liquefied petroleum gas educational theory in a undiluted liquefied
petroleum gas educational program culminating in a school or instructor designed
examination to ensure competency. This program must meet the Board administered
requirements of 248 CMR 11.00.
(b) Limitation on Examination Attempts. No individual shall be permitted to attempt the
Undiluted Liquefied Petroleum Gas Installer license examination more than six times without
special Board approval demonstrating good cause.
(6) Qualifications for Admission to the Limited Undiluted Liquefied Petroleum Gas Installer
Examination. An applicant for licensure as a limited undiluted liquefied petroleum gas installer
shall be required to complete the following education and experience requirements to be eligible
for admission to the limited undiluted liquefied petroleum gas installer examination:
(a) Education. An applicant must furnish documentary proof satisfactory to the Board of
completing a ten-hour Occupational Safety and Health Administration course in construction
safety and health.
(b) Experience. An applicant shall furnish documentary proof satisfactory to the Board of
having a minimum of 1,700 hours of work experience. As of this time, individuals accruing
experience under 248 CMR 11.02, who will be considered limited undiluted liquefied
petroleum gas installers in training, are not required to hold a license in Massachusetts. The
work experience must be accrued as follows:
1. 1,000 clock hours of general experience on construction sites, which shall be certified
by a supervising individual holding a non-apprentice level construction related
professional license.
2. 700 clock hours of experience installing, connecting and moving from place to place
undiluted liquefied petroleum gas salamanders, space heaters and related equipment used
in buildings under construction. This work must be under the direct supervision of a
licensed limited undiluted liquefied petroleum gas installer or a licensed journeyman or
master plumber or gas fitter.
(c)
Examination. An applicant for a limited undiluted liquefied petroleum gas installer
license shall be capable of demonstrating, by a practical and written examination, to the
satisfaction of the examiner, competence and skill in the installation, connection, and
movement of undiluted liquefied petroleum gas salamanders, space heaters and related
equipment used in buildings under construction.
(7) Applicants with Out-of-state or Out-of-country Education, Education in a Related Trade,
and Work Experience.
(a) Education or Experience Waivers and Equivalency. Applicants seeking a Massachusetts
license who received their education or work experience in another state or country may
submit to the Board a written request petitioning that such experience or education be
considered for approval. Unless Massachusetts has a reciprocity agreement with the relevant
jurisdiction, all applicants will be required to pass the relevant examination for the license
being sought.
1. Licenses from Another United States Jurisdiction. An applicant who is licensed in
another state or jurisdiction who is applying for the equivalent license in Massachusetts
shall meet the following requirements:
a.
Submit a completed application and the appropriate fee to the Board with
documentation sufficient to demonstrate that the requirements for obtaining and
maintaining the license are substantially equivalent to the requirements in the
Commonwealth of Massachusetts.
b. Submit a statement certified by the Keeper of Records of the issuing jurisdiction
that such license is current, in good standing, and that there is no pending disciplinary
action relating to the license.
Licenses from an International Jurisdiction. An applicant who is licensed in a
jurisdiction outside of the United States as a journeyman or master plumber, or the
equivalent, and who is applying for the equivalent licensure in the Commonwealth of
Massachusetts, shall meet the following requirements:
a.
Submit a completed application and the appropriate fee to the Board with
documentation, translated into the English language, sufficient to demonstrate that
the requirements for obtaining and maintaining the license are substantially
equivalent to the requirements in the Commonwealth of Massachusetts.
b.
Submit a statement translated into the English language and certified by the
Keeper of Records of the issuing international jurisdiction that such license or
equivalent is current, in good standing, and that there is no pending disciplinary
action relating to the license.
Individuals Holding No Licenses but Possess Out-of-state or Out-of-country
Education/Work Experience. No out-of-state or out-of-country education or work
experience will be accepted unless the Board determines, in its discretion, that such
credentials are relevant to those required in Massachusetts. Individuals seeking such a
determination must petition the Board to review those credentials prior to filing an
application for any license.
(b) The Board reserves the right to request additional information regarding qualifications
and may choose not to grant or grant only in part a request for education or experience
waivers
(8)
Unlicensed Practice. Other than work performed under a Public Comprehensive High
School Career/Vocational Technical School Program as described in these regulations, the Board
shall not grant any work experience credit to an individual for any period in which they did not
hold a valid license issued by the Board. 248 CMR 11.02(8) shall not be construed as preventing
the Board from taking additional disciplinary action against an individual for practicing without
a license.