How much does a Principal Structural Engineer make in Washington?
As of September 01, 2026, the average salary for a Principal Structural Engineer in Washington is $135,547 per year, which breaks down to an hourly rate of $65.
However, a Principal Structural Engineer's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $156,581
- Majority Range (25th-75th percentile): $126,393 to $146,557
- Entry-Level (10th percentile): $118,058