Miscellaneous Plumbing and Pipefitting
Drawn directly from OPM FedScope (June 2026), this page tracks headcount, average salary, tenure, and pay comparison for the Miscellaneous Plumbing and Pipefitting occupation series (code 4201).
The verdict
In the Plumbing and Pipefitting Family family, Miscellaneous Plumbing and Pipefitting counts 58 employees, a smaller, specialized federal occupation at 0.0% of the federal civilian workforce, and headcount declined 3.3% from the prior period; pay averages $150,118, which pays well above the federal-wide $117,339.
- Employees
- 58
- Share of workforce
- 0.0%
- Avg salary
- $150,118
- Avg tenure
- 13.2 yrs
FedScope read on Miscellaneous Plumbing and Pipefitting (thin series)
As of the June 2026 reporting window, 58 people work in the Miscellaneous Plumbing and Pipefitting occupation (OPM code 4201) across federal agencies, 0.0% of the 1,953,300-strong federal civilian workforce. Headcount moved down by -3.3% from the prior period, though at this small a headcount, year-to-year swings can reflect a handful of hires or departures rather than a broad hiring trend.
Average tenure in Miscellaneous Plumbing and Pipefitting runs 13.2 years, a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career. Pay averages $150,118 per year, down 0.0% from the prior period, a small shift, within the range of normal year-to-year rounding rather than a broad pay-table change.
Miscellaneous Plumbing and Pipefitting sits inside the Plumbing and Pipefitting Family family (code 42), which contains 4 related occupations across the federal government. Candidates browsing USAJOBS for Miscellaneous Plumbing and Pipefitting postings should also review these sibling occupations in the Plumbing and Pipefitting Family family.
Inside the Plumbing and Pipefitting Family family (4 occupations, 4,411 employees combined), Miscellaneous Plumbing and Pipefitting holds the #4 spot by headcount, a 1.3% share of the family total.
Salary context · rich-pay series
How Miscellaneous Plumbing and Pipefitting pay compares to the federal average of $117,339
Occupation Average
$150,118
Federal Average
$117,339
vs. Federal Avg
+27.9%
Where Miscellaneous Plumbing and Pipefitting ranks on rich federal pay
Its average salary of $150,118 is higher than 88% of federal occupation series (478 of 541). The highlighted bar marks where Miscellaneous Plumbing and Pipefitting sits in the federal pay distribution.
Average-salary distribution across all 541 federal occupation series; Miscellaneous Plumbing and Pipefitting ranks higher than 88%.
Related Occupations in Plumbing and Pipefitting Family
3 other occupations in the same family
| Occupation | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| Pipefitting | 3,398 | $80,582 | 10.2 yrs |
| Plumbing | 822 | $84,050 | 10.2 yrs |
| Fuel Distribution System Mechanic | 133 | n/a | 13.4 yrs |
Nationwide peers near this thin headcount
Two peer sets for Miscellaneous Plumbing and Pipefitting outside the Plumbing and Pipefitting Family family, on headcount and average salary axes that vary across all OPM occupation series.
Similar thin headcount
Nearest employee counts in other occupation families (58 here).
Similar rich average salary
Nearest average salaries in other occupation families ($150,118 here).
Key takeaways
- Miscellaneous Plumbing and Pipefitting pays well above the federal average by 27.9% ($150,118 vs $117,339 federal-wide), at the 88th percentile for pay among 541 tracked occupation series.
- A smaller, specialized federal occupation by headcount: 58 employees, 0.0% of the federal civilian workforce, and headcount declined 3.3% from the prior period.
- According to OPM FedScope June 2026, Miscellaneous Plumbing and Pipefitting ranks #523 of 663 federal occupation series by headcount (the same employee_count ordering as our occupations directory).
- Inside the Plumbing and Pipefitting Family family (4 occupations, 4,411 employees combined), Miscellaneous Plumbing and Pipefitting holds the #4 spot by headcount, a 1.3% share of the family total.
OPM FedScope and Federal Workforce Data figures are federal civilian headcounts, average salaries, and length-of-service statistics - not job-quality scores, hiring advice, or a live vacancy listing. A larger or higher-paid agency is not a better employer.