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My DOR help

Learn the basics of our secure portal, My DOR, including how to file a basic tax return.
Watch My DOR video tutorials.

Presentación de una declaración de impuestos básica Transcripción de la presentación

Administrative review and hearings process

This video series provides an overview of the appeals process.
Watch the administrative review and hearings process video series.

Tax information for the construction industry

To properly report tax, construction businesses need to understand Washington's business tax system and general application of Business and Occupation (B&O) tax classifications, retail sales tax, and use tax. This video will help those engaged in construction activities determine their state tax liability.
Watch construction industry video

How to prepare for an audit

If you're facing an audit, or just want to know more about audits, this video will give you information about what to expect before, during, and after an audit by the Departments of Revenue, Labor & Industries, and Employment Security.
Watch how to prepare for an audit video

Plan for and pay your taxes

Just getting started with your new business? This multiagency video is no longer available. Instead you’ll find a list of resources to assist you with basic information on how to plan for, file, and pay your Washington State taxes for the Departments of Revenue, Labor & Industries, and Employment Security.
Plan for and pay your taxes resources