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Starting October 1: Some business services are now subject to retail sales tax, as required by state law, ESSB 5814. When you buy these services, vendors should add sales tax to your bill. If you sell these services, you should begin collecting retail sales tax. Learn more about Services newly subject to retail sales tax.
Interest rate tables
Contact DORStatistics@dor.wa.gov for periods not listed on this table.
Excise tax
|
Calendar year |
Assessment rate |
Refund rate |
|---|---|---|
| 2026 | 6% | 6% |
| 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% |