Stationary Engineers and Boiler Operators · Washington

Stationary Engineers and Boiler Operators Salary in Washington

Stationary Engineers and Boiler Operators in Washington earn a median annual wage of $91,530 —16.4% above the national median of $78,620. That ranks WA #6 of 51 covered states and territories for this occupation.

Median annual
$91,530
Median hourly
$44.00
Entry level (P10)
$67,220
10th percentile
Top 10% (P90)
$128,250
90th percentile
Employment
520
0.1 per 1,000 jobs
vs U.S. median
+16.4%
U.S. $78,620

Wage distribution

How earnings are spread across workers in this occupation, from the 10th to the 90th percentile.

10th percentile90th percentile
$67,220
$76,310
$91,530
$111,720
$67,220$91,530$128,250
Annual wage distribution. Highlighted segment contains the median of $91,530.

Employment is only 0.80× as concentrated as the national average — this occupation is relatively scarce in Washington.

Highest-paying states for stationary engineers and boiler operators

All 51 states ranked by median annual wage. Washington is highlighted.

#StateMedian annual Median hourlyEmploymentLocation quotient
1Illinois$115,780$55.661,6801.52
2Wyoming$111,920$53.811001.98
3Hawaii$103,400$49.71700.59
4Connecticut$94,870$45.612700.87
5New York$94,070$45.224,4802.55
6Washington$91,530$44.005200.80
7California$90,650$43.585,8401.76
8District of Columbia$90,470$43.506204.89
9Alaska$88,330$42.47901.52
10Maryland$85,240$40.988501.70

Related occupations in Washington

Occupations in the same job family, compared within Washington.

Frequently asked questions

How much do stationary engineers and boiler operators make in Washington?

The median annual wage for stationary engineers and boiler operators in Washington is $91,530, or $44.00 per hour. That is 16.4% above the national median of $78,620.

What is the entry-level stationary engineers and boiler operators salary in Washington?

Workers at the 10th percentile earn $67,220 per year ($32.32/hour). The 25th percentile is $76,310.

How many people work as stationary engineers and boiler operators in Washington?

About 520 people work in this occupation in Washington, or 0.1 per 1,000 jobs statewide.

Is Washington a good state for stationary engineers and boiler operators?

Washington ranks #6 of 51 states by median wage for this occupation. Employment is only 0.80x as concentrated as the national average, so this occupation is relatively scarce in Washington.

Which state pays stationary engineers and boiler operators the most?

Illinois has the highest median wage at $115,780 per year, followed by Wyoming ($111,920) and Hawaii ($103,400).

Source: U.S. Bureau of Labor Statistics, OEWS May 2025. Occupational Employment and Wage Statistics, cross-industry estimates. Retrieved 2026-10-26. Figures are rounded by BLS to the nearest dollar (annual) and cent (hourly). Percentile wages describe the distribution of workers, not the pay range for a single job posting. bls.gov/oes