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The UA offers a comprehensive training program for all members. Pipefitters Local 537 offers a five year Apprenticeship program at no cost to the selected candidates. Apprentices work in the field on a graduating wage scale during their apprenticeship while being educated at our Training Center weeknights during the school year, allowing them to learn while they earn. 

On the job training with the best hands in the business means that at the end of your five years as an apprentice you will be a master craftsman/woman in the Pipefitting Business whether your path is of a Pipefitter, Welder or HVAC- Refrigeration Technician.

UA Local 537 members are found on all commercial and industrial projects including school construction jobs, powerhouses, chip-fab plants, hospitals and universities.

Union benefits go beyond our excellent healthcare coverage and wages. As a union member your wages and benefits are guaranteed through the collective bargaining process.

Many people don’t know that if you work without a contract in ANY INDUSTRY, your employer can change your job description at will. They can even change your salary or decide that you are not eligible for overtime pay.

As a union member, your contract spells out your working conditions, which go far beyond your wages. Health and safety issues are clearly addressed in the contract, and you are provided with representation in the case that your rights are violated by an employer.

Our Training Center is located in Dorchester and the address is as follows:
40 Enterprise Street
Dorchester, MA 02125

UA 537 Training Standards

Duties & Medical Requirements of 537 Apprentice


  The Application Period for Pipefitter and Air Conditioning-Refrigeration Apprenticeship will be held at the Pipefitters Union Local 537 Training Center, 40 Enterprise Street, Dorchester, MA.

*Application Processing Fee:$30 Non-refundable Application Fee. Must be paid by Money Order (no checks, cash or cards)

 Applications accepted on the Following dates and times. 

Application Start Date:  January 3, 2017
Application End Date:  January 31, 2017
Location:  40 Enterprise St. Dorchester, MA 02125
Hours for Applying:  Monday through Thursday (10:30 am to 3:30 pm)
Closed Fridays and Weekends

Applicant Qualifications:
  • Must Apply in Person - 40 Enterprise Street, Dorchester MA.
  • Must be at least 18 Years of Age by September 1, 2017.
  • Must have earned a High School Diploma or Equivalent by July 1, 2017.
  • Must have Valid Drivers License.
  • Must provide a Doctor's Letter stating applicant is Physically Capable of performing the work of this trade.
  • Must be able to successfully complete an aptitude test administered by the Committee or other organization selected by LU537 upon request.
  • Must be a U.S. Citizen.

Required Documents: Copies of the following MUST be submitted in person with application. Incomplete application file will not be accepted.

  • Completed Application Form (Available only at Training Center & Completed In Office)
  • *High School Diploma or GED Copy.
  • *High School Transcript of Grades or GED Test Results.
  • Birth Certificate Copy.
  • Valid Drivers License Copy. 
  • Social Security Card Copy. 
  • DD-214 Military Discharge (Only if applicable)
  • Prior Year's completed W2 Form. (Only if applicable)
  • Record of Physical Examination & Doctor's Certificate or Letter stating applicant is physically capable of performing the work of the trade. To View & Download the Duties & Physical Requirements Click Here Duties & Medical Requirements of 537 Apprentice

*Applications will be accepted from High School Seniors with the understanding transcript and copy of diploma will be forwarded by July 1, 2017. Application will not be considered complete without this document.

NOTE: You must have copies of ALL the above documents or we will not accept your application. Partial applications will not be accepted.

Applicants will be notified of their interview date by certified mail return receipt during the months of March, April or May of 2017.  

*Application Processing Fee:

$30 Non-refundable Application Fee. Must be paid by Money Order (no checks, cash or cards)


No application will be accepted after 3:30 PM on Thursday, January 31, 2017


 Pipefitters 537 strongly urges and welcomes our returning veterans to apply for apprenticeship.  We thank you for your dedication to our country and hope to offer you a career and a brotherhood after your service has ended. Please click the "Veterans in Piping" Logo below to learn more about our "VIP"program and  apply to the National United Association's VIP program. 

Registered UA 'VIP' applicants should also apply in January to the Local 537 apprenticeship program.


When are applications accepted?
The next LU537 application period begins January 2017.  Please review all qualifications & instructions carefully as our application has been recently updated.  

Where Do I Apply?
Applications must be filled out in person at our Training Center Location:
The 537 Thomas F. Kelly Training Center
40 Enterprise Street
Dorchester, MA 02125

Can I apply for both the Pipefitters Training Program and the HVAC Technicians Program? Unfortunately, applicants may only apply for consideration into one program; either the Pipefitters Training Program OR the HVAC Technicians Program upon applying. Welders are strongly urged to apply for the Pipefitters Training Program.

Is there an interview process?
Yes, selected applicants who apply in January 2016, will be notified by registered mail when an interview has been scheduled. Interviews usually occur in April. If your address has changed since your original application submission, please notify the training center or click on the 'contact us' button below. Please clearly state that the address change is for an apprentice applicant. 

If I am not selected as an apprentice, how do I keep my application active?
Applicants not selected will be notified by certified mail. Candidates wishing to be considered for the following years class, must return the card enclosed notifying the training center that you wish to remain in consideration for next years apprentice class. 
Applications are valid for 1 year after your original interview only if you sign and return the card stating your continued interest in our program.

How many times can I apply?
Applicants may apply once every two years.

If I am selected in your apprentice program, how will I be trained?
Apprentices are mentored in the field and are employed on the job during normal, daily shift hours through out the year. Apprentices are trained by our certified teaching staff in a simulated work environment. 

Paul McGrath, Training Coordinator

Click Here to Email the 537 Training Center for More Information