Contact DORStatistics@dor.wa.gov for periods not listed on this table.
Calendar year |
Assessment rate |
Refund rate |
---|---|---|
2025 | 7% | 7% |
2024 | 6% | 6% |
2023 | 3% | 3% |
2022 | 2% | 2% |
2021 | 3% | 3% |
2020 | 4% | 4% |
2019 | 4% | 4% |
2018 | 3% | 3% |
2017 | 3% | 3% |
2016 | 2% | 2% |
2015 | 2% | 2% |