How much does an Assistant Project Engineer make in Washington?
As of April 01, 2026, the average salary for an Assistant Project Engineer in Washington is $96,137 per year, which breaks down to an hourly rate of $46.
However, an Assistant Project Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $113,271
- Majority Range (25th-75th percentile): $86,664 to $105,106
- Entry-Level (10th percentile): $78,040