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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees Plumbers & Pipefitters Local Union No 51 William Demello Jr

William Demello Jr

Trustee/director

Business Agent at Plumbers & Pipefitters Local Union No 51

Fiscal year ended December 31, 2024. Published on January 25, 2026.

$235,164
2024

Total compensation

William Demello Jr has been listed as an employee of Plumbers & Pipefitters Local Union No 51 in Form 990 filings since fiscal year 2020. Total compensation for William Demello Jr has increased by 947.2% from 2020 to 2024.

Annual compensation details

$235,164
+5.4%
Business Agent
2024
$136k
40 hrs/wk
$100k
--
$223,068
+82.1%
Business Agent
2023
$129k
40 hrs/wk
$96k
--
$122,514
+3.6%
Organizer
2022
$123k
40 hrs/wk
$118,216
+426.4%
Organizer
2021
$119k
40 hrs/wk
$22,456
Business Agent
2020
$23k
40 hrs/wk

Total compensation by year

Compare the compensation of William Demello Jr to:

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Revisions to this profile

January 25, 2026:
2024 Plumbers & Pipefitters Local Union No 51 990 published
January 25, 2026:
2023 Plumbers & Pipefitters Local Union No 51 990 published
January 25, 2026:
2022 Plumbers & Pipefitters Local Union No 51 990 published

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2024

Other employees at Plumbers & Pipefitters Local Union No 51

Paul Alvarez
Business Manager
$257,623
$153,551 No related comp$104,072
Darrell Price
Organizer
$235,164
$135,584 No related comp$99,580
John McMullen
Business Agent
$235,164
$135,584 No related comp$99,580
Paul Adamonis
President
$0
Mathew Day
Recording Secretary
$0
Edward Keenan
Vice President
$0

Other people named William Demello Jr

2024
Board Member
William Demello
Occupational and Environmental Health Center of Rhode Island
$0
Board Member
William Demello
Labor Management Cooperation Trust
$0
Employee
William Demello
Southeastern Mass Building Trades Council
$0
Board Member
William Demello
Plumbers and Pipefitters Local Union 51 Scholarship Education Fund
$0