- 2024 ratios for 2025 taxes (PDF)
- 2023 ratios for 2024 taxes (PDF)
- 2022 ratios for 2023 taxes (PDF)
- 2021 ratios for 2022 taxes (PDF)
- 2020 ratios for 2021 taxes (PDF)
- 2019 ratios for 2020 taxes (PDF)
- 2018 ratios for 2019 taxes (PDF)
- 2017 ratios for 2018 taxes (PDF)
- 2016 ratios for 2017 taxes (PDF)
- 2015 ratios for 2016 taxes (PDF)
- 2014 ratios for 2015 taxes (PDF)
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.