How much does an Intervention Assistant make in Washington?
As of July 01, 2026, the average salary for an Intervention Assistant in Washington is $53,898 per year, which breaks down to an hourly rate of $26.
However, an Intervention Assistant's salary can vary significantly. Here’s a look at the typical salary range:
- Top Earners (90th percentile): $66,597
- Majority Range (25th-75th percentile): $46,668 to $60,545
- Entry-Level (10th percentile): $40,084