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OPM FedScope March 2025 Plumbing and Pipefitting Family

Pipefitting

Everything OPM FedScope (March 2025) reports about the Pipefitting occupation series (code 4204): headcount, average salary, length of service, and pay comparison.

The verdict

Pipefitting is a smaller, specialized federal occupation: 3,482 employees (0.2% of the federal civilian workforce) in the Plumbing and Pipefitting Family family. At an average salary of $79,340 it pays below the federal average of $109,869, and headcount declined 1.2% from the prior period.

Employees
3,482
Share of workforce
0.2%
Avg salary
$79,340
Avg tenure
9.1 yrs

What the Numbers Say About Pipefitting

0.2% of the federal civilian workforce (2,289,472 employees total, March 2025) works in the Pipefitting occupation (OPM code 4204): 3,482 people, headcount down -1.2% versus the prior period, a modest but trackable signal for anyone considering this specialized federal career path.

Pipefitting pays $79,340 per year on average, 27.8% below the $109,869 federal civilian average, after moving up 2.6% from the prior period (a broad shift as locality pay tables and grade-level adjustments moved through the workforce). Employees in this role stay an average of 9.1 years, a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career.

The Plumbing and Pipefitting Family family (code 42) groups Pipefitting together with 3 other related occupations across the federal government. Candidates browsing USAJOBS for Pipefitting postings should also review these sibling occupations, since federal hiring managers often cross-post positions across closely related codes when recruitment is difficult. All figures here come directly from OPM FedScope Employment Cubes, the same official source referenced in federal workforce planning, budget justifications, and GAO reports.

Inside the Plumbing and Pipefitting Family family (4 occupations, 4,648 employees combined), Pipefitting holds the #1 spot by headcount, a 74.9% share of the family total. Its average salary ranks in the bottom half (25th percentile) of pay among Plumbing and Pipefitting Family occupations.

Employees

3,482

-1.2% from prior period

Average Salary

$79,340

+2.6%

Avg Length of Service

9.1 yrs

Occupation Family

Plumbing and Pipefitting Family

Salary Context

How Pipefitting pay compares to the federal average of $109,869

Occupation Average

$79,340

Federal Average

$109,869

vs. Federal Avg

-27.8%

Where Pipefitting ranks on federal pay

Its average salary of $79,340 is higher than 45% of federal occupation series (285 of 634). The highlighted bar marks where Pipefitting sits in the federal pay distribution.

$16,074132$63,787308$111,499167$159,21223$206,9242$254,6372
Distribution of average salary across all 634 federal occupation series (OPM FedScope) - Pipefitting is in the highlighted range.

Average-salary distribution across all 634 federal occupation series; Pipefitting ranks higher than 45%.

Source: OPM FedScope Employment Cubes As of March 2025

3 other occupations in the same family

Occupation Employees Avg Salary
Plumbing 933 $73,872
Fuel Distribution System Mechanic 164 $80,544
Miscellaneous Plumbing and Pipefitting 69 $84,878

Frequently Asked Questions

How many federal employees work as Pipefitting?
There are 3,482 federal employees in the Pipefitting occupation as of March 2025. This represents 0.2% of the total federal civilian workforce.
What is the average salary for Pipefitting in the federal government?
Compared to the $109,869 federal-wide average, Pipefitting pays 27.8% less: an average of $79,340 per year.
What occupation family does Pipefitting belong to?
Pipefitting (code 4204) belongs to the Plumbing and Pipefitting Family family (code 42). There are 4 occupations in this family.
What is the average length of service for Pipefitting?
Federal employees in the Pipefitting occupation have an average length of service of 9.1 years. The federal-wide average is 11.8 years.
Is the Pipefitting workforce growing or shrinking?
A decline of 1.2% from the prior period put the Pipefitting occupation at 3,482 employees, down roughly 41 positions.
How does Pipefitting pay compare to private sector salaries?
Pipefitting pays $79,340 on average in the federal government, 27.8% below the $109,869 federal-wide average. The BLS Occupational Employment and Wage Statistics (OEWS) program tracks the private-sector equivalent for comparison.

Data Source: U.S. Office of Personnel Management (OPM) FedScope Employment Cubes, March 2025. Federal civilian non-seasonal full-time and part-time employees. Data does not include military personnel, postal workers, or intelligence agency staff. Last updated: 2026-03-10.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainGovJobs

PlainGovJobs is rendered directly from OPM FedScope federal-workforce data, no number is typed in by an editor. This page draws directly on OPM FedScope occupation-level employment records. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.