How much does a Chemical Process Engineer III make in Washington?
As of July 01, 2026, the average salary for a Chemical Process Engineer III in Washington is $130,112 per year, which breaks down to an hourly rate of $63.
However, a Chemical Process Engineer III's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $153,397
- Majority Range (25th-75th percentile): $120,146 to $142,300
- Entry-Level (10th percentile): $111,073