Mobile Telecommunications Sourcing Act Data
In July 2000, Congress passed P.L. 106-252, the Mobile Telecommunications Sourcing
Act. The Mobile Telecommunications Sourcing Act provides that each state may provide
vendors with an electronic database that assigns each address in the state to the
appropriate taxing jurisdiction(s). Download DOR's file following the national-standard
data format for matching street addresses with the proper taxing jurisdiction code.
Address/Sales Tax Rates Data
Build your own location code system by downloading the address files
to integrate into your own accounting system.
Sales Tax Jurisdiction Boundaries
Download shapefiles representing the sales tax jurisdiction boundaries in Washington
Property Tax District Boundaries for Intercounty Utility
Download shapefiles representing the property tax district boundaries in Washington
Forest Tax Downloads
Shape files for Stumpage Valuation Areas (SVAs) and Haul Zones (HZ).
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Tax GIS Listserv E-mail Service to receive important sales tax rate
information updates notified when the rates are available for downloading.
If you have any questions about how to use our GIS products/services, call the Telephone
Information Center at 1-800-647-7706. Feel free to e-mail us with any comments or suggestions as well.