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.
Average-salary distribution across all 634 federal occupation series; Pipefitting ranks higher than 45%.
Related Occupations in Plumbing and Pipefitting Family
3 other occupations in the same family
| Occupation | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| Plumbing | 933 | $73,872 | 8.3 yrs |
| Fuel Distribution System Mechanic | 164 | $80,544 | 10.4 yrs |
| Miscellaneous Plumbing and Pipefitting | 69 | $84,878 | 9.4 yrs |
Frequently Asked Questions
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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.
Read our methodology - how this data is sourced, computed, and verified.
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.