Miscellaneous Plumbing and Pipefitting

What the Numbers Say About Miscellaneous Plumbing and Pipefitting

As of the March 2025 reporting window, 69 people work in the Miscellaneous Plumbing and Pipefitting occupation (OPM code 4201) across federal agencies, 0.0% of the 2,289,472-strong federal civilian workforce. Headcount moved down by -4.2% 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 9.4 years, a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career. Pay averages $84,878 per year, 22.7% below the $109,869 federal civilian average and up 0.6% from the prior period, a modest shift, consistent with routine locality pay and grade-level movement.

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, 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), Miscellaneous Plumbing and Pipefitting holds the #4 spot by headcount, a 1.5% share of the family total.