The median annual wage for First-Line Supervisors of Housekeeping and Janitorial Workers in Kennewick-Richland, WA is $49,920 (May 2024 BLS OES). The mean (average) is $55,470.
Pay spans roughly $41,820 at the 10th percentile to $75,070 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $24.00 per hour. An estimated 80 people work as first-line supervisors of housekeeping and janitorial workers in Kennewick-Richland, WA.
| Median (annual) | $49,920 |
| Mean (annual) | $55,470 |
| Median (hourly) | $24.00 |
| 10th percentile | $41,820 |
| 90th percentile | $75,070 |
| Employment | 80 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.