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Sales Tax Jurisdiction boundaries
The downloadable data on this page represents Washington State sales tax district boundaries and are updated quarterly (January, April, July and October). All files are shapefile format and require appropriate GIS software to view. If you have questions about how to use our GIS products/services or comments, please call the Telephone Information Center at 360-705-6705 or contact us by e-mail.
City Boundaries
2025
2024
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2023
- Quarter 4 (Oct 1 - Dec 31) No rate changes
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2022
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2021
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 -June 30)
- Quarter 1 (Jan 1 - Mar 31)
2020
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 -June 30)
- Quarter 1 (Jan 1 - Mar 31)
2019
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 -June 30)
- Quarter 1 (Jan 1 - Mar 31)
2018
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 -June 30)
- Quarter 1 (Jan 1 - Mar 31)
Location Code Boundaries
2025
2024
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2023
- Quarter 4 (Oct 1 - Dec 31) No rate changes
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2022
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2021
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2020
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2019
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2018
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
Public Transportation Benefit Areas (PTBA) Boundaries
2025
2024
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2023
- Quarter 4 (Oct 1 - Dec 31) No rate changes
- Quarter 3 (July 1 - Sept 30
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2022
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2021
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2020
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2019
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2018
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
Sound Transit Area (RTA) Boundary
2025
2024
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2023
- Quarter 4 (Oct 1 - Dec 31) No rate changes
- Quarter 3 (July 1 - Sept 30
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2022
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2021
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2020
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2019
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2018
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
2017
- Quarter 4 (Oct 1 - Dec 31)
- Quarter 3 (July 1 - Sept 30)
- Quarter 2 (April 1 - June 30)
- Quarter 1 (Jan 1 - Mar 31)
GIS Disclaimer:
Please note: Mobile telecommunications service providers using the database are held harmless from any tax, charge, or fee liability that otherwise would be due solely as a result of any error or omission from the database. If you have suggestions, comments or questions about the Mobile Telecommunications Sourcing Act electronic database, please contact our GIS team or call us at 360-705-6705. We look forward to hearing from you.
