Defined Benefit (Pension) · DOL Form 5500 · 2024

Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund Pension Plan

Data updated 2026-08-11

$429M
Total assets: 1,619
Participants: 97th
Percentile by assets: $264,711
Avg per participant

Official DOL plan name: Plumbers Union Local No. 12 Pension · Sponsored by Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund · Massachusetts · Construction

$429M in assets, 1,619 participants

Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund's Plumbers Union Local No. 12 Pension reported $429M in total assets and 1,619 participants in its 2024 DOL Form 5500 filing, ranking in the 97th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

97th percentile by assets (of 123,622 plans)
#8,713 in Construction (9,039 peers)

Coverage in Massachusetts

Plumbers Union Local No. 12 Pension covers 1,619 participants in Massachusetts, 2.5x the typical Massachusetts plan (state average ~659 per filing). Assets: $429M.

$429M
total plan assets (2024 EOY): 1,619
covered participants: 97th
percentile by assets (of 123,622 plans): $264,711
avg assets per participant

Plumbers Union Local No. 12 Pension reported net income fell from $44M in the plan year 2023 filing to $39M in the plan year 2024 filing.
Plumbers Union Local No. 12 Pension end-of-year assets rose from $390M in the plan year 2023 filing to $429M in the plan year 2024 filing.
Plumbers Union Local No. 12 Pension reported participants fell from 1,720 in the plan year 2023 filing to 1,619 in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

Massachusetts

Industry

Construction

Participants vs Massachusetts filers

In Massachusetts, the average filing covers about 659 participants across 4,265 plans. Plumbers Union Local No. 12 Pension reports 1,619 participants - 2.5x that state average ($429M EOY assets).

Massachusetts filing particulars

Total Assets (Beginning of Year)	$390M
Net Assets (End of Year)	$428M
Net Income	$39M
Employer EIN	046023174
Plan Effective Date	1954-09-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund)

Total plan assets by year, all Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund plans on file

Year	Plans	Participants	Total Assets
2022	1	1,623	$346M
2023	1	1,720	$390M
2024	1	1,619	$429M

Nearby Defined Benefit (Pension) Plans in Massachusetts

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Plumbers Union Local No. 12 Pension vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants

Consolidated Cash Balance Program of Mass General Brigham and Member Organizations $11.6B · 60,621
New England Teamsters Pension Fund $9.1B · 21,577
Liberty Mutual Retirement Benefit Plan $6.3B · 34,910
Massachusetts Institute of Technology Basic Retirement Plan $5.9B · 12,533
N. Atlantic States Carp. Pension Fund $5.1B · 16,946

Compare Plumbers Union Local No. 12 Pension side-by-side with 3 peers →

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Plumbers Union Local No. 12 Pension by total assets, not by location.

Legacy Ghs/Tuomey Pension Plan (SC) $428M · 2,307
General Dynamics Retirement Plan (Bath Iron Works) (VA) $429M · 1,407
Cash Balance Retirement Plan of Hallmark Cards, Inc. (MO) $427M · 1,511
Hawaii Longshore Pension Plan (HI) $430M · 815

Frequently Asked Questions

How did Plumbers Union Local No. 12 Pension assets move in 2024? ▼

Plumbers Union Local No. 12 Pension grew at a solid clip - up 10.0% during 2024, from $390M to $429M. Reported net income was $39M.

How have Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund's sponsor-wide assets grew 23.9%, from $346M to $429M.

Where does Plumbers Union Local No. 12 Pension rank by assets among Form 5500 filers? ▼

Plumbers Union Local No. 12 Pension ranks in the 97th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).

Which Defined Benefit (Pension) plans are similar in size to Plumbers Union Local No. 12 Pension? ▼

Among Defined Benefit (Pension) plans in other states, the closest by assets is Legacy Ghs/Tuomey Pension Plan in SC ($428M, 2,307 participants).

Next read for Plumbers Union Local No. 12 Pension

Filing takeaways

Ways to act on Plumbers Union Local No. 12 Pension's numbers.

By total assets, Plumbers Union Local No. 12 Pension ranks in the top 5% of all filed plans by assets. See the largest plans
Compare it side-by-side against 3 similar Defined Benefit (Pension) plans in Massachusetts. Compare plans
Plumbers Union Local No. 12 Pension Local No. 12 Pension Fund's sponsor-wide assets have grown 23.9% since 2022 across 3 plan years on file. More Construction plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 046023174.