Journeyman pipefitters under UA Local 537 in Boston, MA earn $66.53/hr in base wages, effective May 2025.
UA Local 537 runs its own dispatch and out-of-work list — call the hall to confirm hours, books and what to bring. Gulfstream is a private recruiter and does not control hall referral.
The Local 537 pay scale for 2026 is $66.53 per hour for journeymen in Boston, MA, or about $133,060 a year at 2,080 hours. That is the rate in force for 2026, effective 5/10/25.
| Local 537 journeyman hourly wage | $66.53 / hour |
|---|---|
| Annualized at 2,080 hours (base wage) | $133,060 / year |
| First-period apprentice (≈45–50% of scale) | $29.94–$33.27 / hour |
| Wage sheet effective | 5/10/25 |
| Classification | Pipefitters |
A Local 537 apprentice in Boston, MA starts at roughly $29.94 an hour — about 45% of the $66.53 journeyman scale — and steps up each period, reaching around $49.90 an hour by the fourth year and full scale on turning out. These are the standard percentage steps of scale, not a wage sheet Local 537 has published; confirm the exact schedule with the JATC.
| 1st period (year 1) | 45% of scale | $29.94 / hour | $59,877 |
|---|---|---|---|
| 2nd period (year 2) | 55% of scale | $36.59 / hour | $73,183 |
| 3rd period (year 3) | 65% of scale | $43.24 / hour | $86,489 |
| 4th period (year 4) | 75% of scale | $49.90 / hour | $99,795 |
| 5th period (year 5) | 85% of scale | $56.55 / hour | $113,101 |
| Journeyman (turned out) | 100% of scale | $66.53 / hour | $133,060 |
UA Local 537 runs its own referral procedure and books are signed at the hall — call 617-787-5370 to confirm dispatch hours, required documents (union card, certifications, ID) and current list standing before traveling in. Contact details are imported from the UA, SMART and IBEW public directories. Gulfstream is a private recruiting firm, is not affiliated with the local, and does not control hall dispatch.
UA Local 537, the Pipefitters, Refrigeration, and Air Conditioning Service Technicians of Boston, represents a specialized workforce critical to the infrastructure of New England. Since 2014, our firm has observed their heavy involvement in the region’s sophisticated laboratory, pharmaceutical, and healthcare sectors. The local manages high-pressure steam systems, medical gas piping, and advanced HVAC-R cooling infrastructure across Eastern Massachusetts. This union maintains a rigorous standard for technical proficiency, ensuring that their signatory partners have access to craftsmen capable of executing complex mechanical designs in high-density urban environments and mission-critical facilities.
The Boston market is defined by a high concentration of institutional and industrial work, which drives consistent demand for Local 537 members. From the commercial towers in the Seaport District to the research hubs in Cambridge, the local provides the labor force necessary for large-scale district heating and cooling projects. As one of the most established United Association locals in the Northeast, 537 operates a substantial training center that produces licensed pipefitters and technicians who adhere to strict safety and building codes. For contractors and tradespeople, understanding this local's specific wage scales and work rules is essential for bidding and career planning in the Commonwealth.
Effective May 10, 2025, the Journeyman Pipefitter hourly rate for UA Local 537 is established at $66.53. This base wage is one component of a larger total package that includes significant employer contributions toward fringe benefits. Apprentices in the five-year program typically begin at a percentage of this journeyman rate—often starting around 35% or 40% for first-year students—and receive incremental raises every six to twelve months as they complete required classroom hours and on-the-job training milestones. By the fifth year, apprentices generally earn 80% or more of the full scale. These figures are specific to the building trades agreement; those in the refrigeration service division may follow a parallel but distinct wage schedule. All members should verify their specific classification and current total package details with the Local 537 business office to ensure accurate payroll or bidding calculations.
UA Local 537 holds jurisdiction over a significant portion of Eastern Massachusetts, centered on the Boston metropolitan area. The chartered territory includes all of Suffolk County and extends into major portions of Middlesex, Norfolk, and Essex counties. Work covered under the collective bargaining agreement includes the installation and service of all piping systems for high-pressure steam, heating, ventilation, and air conditioning. It also encompasses process piping for industrial facilities and specialized refrigeration systems. Members are dispatched through the Boston headquarters, and the local maintains strict oversight of work performed within its geographic boundaries to ensure all signatory contractors utilize union labor for the entirety of the mechanical scope as defined by the UA constitution.
The contractor landscape for UA Local 537 is comprised of diverse signatory partners ranging from multi-national mechanical primes to regional specialty HVAC-R service providers. These firms handle the bulk of the public and private institutional work in the Boston area, including major university expansions and hospital renovations. Hiring typically fluctuates based on large-scale project cycles, but the demand for refrigeration service technicians remains stable year-round. Signatory mechanical contractors often rely on the hall for surge capacity during shutdowns or large industrial build-outs, while service-heavy shops maintain a more consistent core group of long-term employees to manage maintenance contracts for commercial high-rises and data centers.
Pipefitters generally focus on the installation of large-scale heating, cooling, and industrial process systems, often on new construction sites. Refrigeration technicians specialize in the service, maintenance, and repair of existing HVAC-R systems in commercial and industrial settings. While both are members of Local 537, they may have different apprenticeship tracks and specific work rules under the master agreement.
Wage increases are determined by the collective bargaining agreement negotiated between the union and the signatory contractor associations. Typically, these increases occur annually or semi-annually on specific dates, such as the May 10th adjustment. The total increase is often split between the base check and the fringe benefit funds based on a membership vote or committee recommendation.
Yes, members must maintain relevant Massachusetts state licenses, such as the Pipefitter license issued by the Department of Public Safety. Additionally, depending on the project, members may need UA certifications in welding, medical gas installation, or EPA Section 608 for refrigerant handling. The JATC provides the necessary training to obtain and maintain these credentials.
Journeymen from other United Association locals may work in Local 537's jurisdiction through the travel card system, provided there is a shortage of local labor. Travelers must report to the Local 537 business office to be dispatched to a signatory contractor. The availability of travel work depends entirely on the current local unemployment rate and large-scale project demands.
UA Local 537 is seated in Boston, Massachusetts (MA). We hold published wage sheets for 9 locals across Massachusetts — compare nearby scales before you take a call.
We are a mechanical, plumbing and electrical construction recruiting firm serving Boston and the rest of Massachusetts, including contractors signatory to UA Local 537. Our office is in South Corona, California and we place union-scale tradespeople and field leadership nationwide.
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Journeyman scales as last published by each local. Rates change every contract cycle — confirm with the hall.
The Local 537 pay scale for 2026 is $66.53 per hour for journeymen in Boston, MA, or about $133,060 a year at 2,080 hours. That is the rate in force for 2026, effective 5/10/25.
Journeyman pipefitters under the UA Local 537 agreement make $66.53 an hour in base wages, per the wage sheet effective 5/10/25. Overtime, shift premiums, and travel or subsistence pay are added on top under the local's CBA.
$66.53 per hour base wage for a journeyman in Boston, MA, effective 5/10/25. Annualized at 2,080 hours that is roughly $133,060 before overtime.
A Local 537 apprentice in Boston, MA starts at roughly $29.94 an hour — about 45% of the $66.53 journeyman scale — and steps up each period, reaching around $49.90 an hour by the fourth year and full scale on turning out. These are the standard percentage steps of scale, not a wage sheet Local 537 has published; confirm the exact schedule with the JATC.
About $29.94 an hour, or roughly $59,877 a year at 2,080 hours, based on the standard 45% first-period step of the $66.53 journeyman rate effective 5/10/25. Apprentices also earn benefit contributions and paid classroom progression; the JATC sets the exact percentage.
Around $43.24 an hour at the standard 65% third-period step, moving to about $49.90 an hour in the fourth period and $66.53 an hour at full journeyman scale. Confirm the published step schedule with the Local 537 training center.
The current UA Local 537 journeyman rate is $66.53/hour, effective 5/10/25. At 2,080 hours that works out to roughly $133,060 per year in base wages before overtime. Rates change with each CBA cycle — confirm with the Local 537 business office before relying on the figure.
Apprentices under the UA Local 537 agreement are paid a graduated percentage of the journeyman rate, typically starting near 40–50% in the first period and stepping up each six-month or annual period until reaching 100% at turnout. Against the current $66.53/hour journeyman rate, a first-period apprentice would be in the $29.94–$33.27/hour range. The exact percentage schedule is set by the local's JATC.
UA Local 537 is headquartered in Boston, MA and dispatches plumbers & pipefitters manpower throughout its chartered jurisdiction. Work performed inside that territory falls under the local's collective bargaining agreement and wage schedule, even when the contractor is based elsewhere and travels in.
Most locals require applicants to be at least 18, legally able to work in the U.S., hold a high school diploma or GED, pass a basic math/aptitude assessment and a drug screen, and be physically able to perform plumbers & pipefitters work. Some Local 537 programs give preference to applicants inside the jurisdiction or to veterans. Eligibility rules are set by the local's Joint Apprenticeship and Training Committee (JATC), so confirm the current criteria with the hall before applying.
Apprenticeship applications go through the UA Local 537 JATC, not through a contractor or a recruiter. Applications typically open in defined intake windows each year: you submit the application with proof of age, education, and residency, sit for an aptitude test, and then interview. Ranked applicants are placed on an eligibility list and indentured as signatory contractors call for apprentices. Gulfstream Strategic Placements does not process apprenticeship applications — contact the Local 537 training center directly.
Plumbers & Pipefitters apprenticeships generally run four to five years — roughly 8,000–10,000 hours of on-the-job training plus several hundred classroom hours per year. Apprentices earn a paycheck the entire time, stepping up through the wage periods until they turn out as journeymen at 100% of scale.
Signatory contractors hire through the local's hiring hall, so working under the UA Local 537 agreement generally means being a member or being organized in through the local's process. Journeymen from other locals can travel in by signing the out-of-work book, subject to the local's referral rules and manpower needs. Non-union plumbers & pipefitters professionals are usually placed with open-shop contractors instead — we recruit for both.
Rates move with the collective bargaining agreement, typically on a fixed anniversary date each year of a three- to five-year contract, with negotiated increases split between the base wage and the fringe package. The figures on this page reflect the 5/10/25 schedule; check with the Local 537 business office for any increase that has taken effect since.
Wage rates vary widely by local and market. Use the Union Pay Scale Explorer to sort every UA and SMART local by hourly wage, total package, and annualized pay so you can benchmark Local 537 against neighboring jurisdictions and other plumbers & pipefitters markets.
The UA Local 537 hall is at 40 Enterprise St 4 Flr Dorchester, Ma 2125, serving Boston, MA and the surrounding jurisdiction. Hall phone: 617-787-5370.
UA Local 537 runs its own referral procedure and books are signed at the hall. Call the hall at 617-787-5370 to confirm dispatch hours, required documents (union card, certifications, ID) and current list standing before traveling in — Gulfstream does not control hall dispatch.
UA Local 537 can be reached at 617-787-5370. Contact details are imported from the union's public directory listing — confirm hours with the hall.