How much does an Investigative Assistant make in Washington?
As of August 01, 2026, the average salary for an Investigative Assistant in Washington is $47,054 per year, which breaks down to an hourly rate of $23.
However, an Investigative Assistant's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $56,808
- Majority Range (25th-75th percentile): $42,477 to $52,159
- Entry-Level (10th percentile): $38,311