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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.
Annexations
See what cities have imposed quarterly annexations, increasing their boundaries.
Effective 2025
- Quarter 4 2025 (Oct 1)
- Quarter 3 2025 (July 1)
- Quarter 2 2025 (Apr 1)
- Quarter 1 2025 (Jan 1)
Effective 2024
- Quarter 4 2024 (Oct 1)
- Quarter 3 2024 (July 1)
- Quarter 2 2024 (Apr 1)
- Quarter 1 2024 (Jan 1)
Effective 2023
- Quarter 4 2023 (Oct 1)
- Quarter 3 2023 (July 1)
- Quarter 2 2023 (Apr 1)
- Quarter 1 2023 (Jan 1)
Effective 2022
- Quarter 4 2022 (Oct 1)
- Quarter 3 2022 (July 1)
- Quarter 2 2022 (Apr 1)
- Quarter 1 2022 (Jan 1)
Effective 2021
- Quarter 4 2021 (Oct 1)
- Quarter 3 2021 (July 1)
- Quarter 2 2021 (Apr 1)
- Quarter 1 2021 (Jan 1)
Effective 2020
- Quarter 4 2020 (Oct 1)
- Quarter 3 2020 (July 1)
- Quarter 2 2020 (Apr 1)
- Quarter 1 2020 (Jan 1)
Effective 2019
- Quarter 4 2019 (Oct 1)
- Quarter 3 2019 (July 1)
- Quarter 2 2019 (Apr 1)
- Quarter 1 2019 (Jan 1)
Effective 2018
- Quarter 4 2018 (Oct 1)
- Quarter 3 2018 (July 1)
- Quarter 2 2018 (Apr 1)
- Quarter 1 2018 (Jan 1)
Effective 2017
- Quarter 4 2017 (Oct 1)
- Quarter 3 2017 (July 1)
- Quarter 2 2017 (Apr 1)
- Quarter 1 2017 (Jan 1)