The median annual wage for Stationary Engineers and Boiler Operators in Napa, CA is $71,800 (May 2024 BLS OES). The mean (average) is $76,940.
Pay spans roughly $41,440 at the 10th percentile to $131,980 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $34.52 per hour. An estimated 110 people work as stationary engineers and boiler operators in Napa, CA.
| Median (annual) | $71,800 |
| Mean (annual) | $76,940 |
| Median (hourly) | $34.52 |
| 10th percentile | $41,440 |
| 90th percentile | $131,980 |
| Employment | 110 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.