The median annual wage for Stationary Engineers and Boiler Operators in Riverside-San Bernardino-Ontario, CA is $61,040 (May 2024 BLS OES). The mean (average) is $71,210.
Pay spans roughly $39,110 at the 10th percentile to $106,340 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $29.35 per hour. An estimated 540 people work as stationary engineers and boiler operators in Riverside-San Bernardino-Ontario, CA.
| Median (annual) | $61,040 |
| Mean (annual) | $71,210 |
| Median (hourly) | $29.35 |
| 10th percentile | $39,110 |
| 90th percentile | $106,340 |
| Employment | 540 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.