Plumbing federal salary series 4206
Full-time federal employees in the Plumbing series earned a median of $83,814 in annualized adjusted basic pay in September 2026, 24% below the all-federal median of $109,641. The middle half earned between $72,054 and $94,186.
What shapes plumbing pay
The most common grade with published pay is WG-9 (461 employees, median $69,925). The largest employer of this series with published pay is the Department of Justice (169 employees). Federal pay depends mostly on grade and step, plus a locality adjustment for where the job is located; see the GS pay scale explainer.
OPM withheld pay for 61% of employees in this series. The figures here describe only employees with published pay; withholding is concentrated in certain agencies (see data coverage).
Plumbing pay by grade
Grades with at least 30 full-time employees with published pay. GS grades are listed first; other pay plans follow.
| Pay plan–grade | Employees | Median pay |
|---|---|---|
| WG-9 | 461 | $69,925 |
| WS-8 | 172 | $90,221 |
middle 50% (25th–75th percentile) 10th–90th percentile median all-federal median ($109,641)
Plumbing pay by agency
| Agency | Employees | Median pay |
|---|---|---|
| Department of Justice | 169 | $90,221 |
| Department of Veterans Affairs | 100 | $69,393 |
middle 50% (25th–75th percentile) 10th–90th percentile median all-federal median ($109,641)
Plumbing pay by state
The 2 states with the most employees in this series and published pay.
| State | Employees | Median pay |
|---|---|---|
| Pennsylvania | 35 | $81,706 |
| California | 30 | $97,672 |
middle 50% (25th–75th percentile) 10th–90th percentile median all-federal median ($109,641)
Change since September 2025
The median moved +2.8% from $81,497 in September 2025 to $83,814 in September 2026. Headcount went from 917 to 820 (−10.6%). A change in the median reflects both pay adjustments and who joined or left the workforce, so it is not the same as a pay raise.
Related occupations in Plumbing and Pipefitting Family
- Pipefitting (4204)$79,515