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The download data is a resource for you to integrate into your own customized applications.  The files are in comma-separated (.txt) format, in zip files.

The rates are updated quarterly.  Please check our website 30 days prior to the first day of the quarter, to download the latest sales tax rates.

Washington State Sales Tax Library

Download data

Downloading Instructions

Address data by:

County - Descriptions for address data fields

WA State - Descriptions for address data fields

Location codes and rates tables - Descriptions for location codes and rate fields

ZIP + 4

arrowThese files are zipped. They will need to be unzipped to extract the data.

  • 2014
  • 2013
  • 2012

    2011

    2010

    2009

    2008

    note A few Washington zip codes start with zero. These are valid zip codes for federal tribal areas. If the files are opened using Microsoft Excel, the leading zeros may not be displayed.

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