Arts Tax: 503-865-4278
Business Taxes: 503-823-5157
111 SW Columbia St, Suite 600, Portland, OR 97201
Frequently Asked Questions
This information is designed to answer some of your questions about doing business in Portland and Multnomah County, and accessing your business account information online. Regulations vary for each business, so not all requirements are listed. Still have questions? Contact the Revenue Division for information and forms. Call us at (503) 823-5157 or visit our website.
About the Taxes
Learn about Portland and Multnomah County Business Taxes
Account Services
Online registration, setting up a PortlandOnline account, finding your business tax account #, file or pay online, managing your account online, certificates of compliance and forms issues
English Tax Info Sheet
Easy to print FAQ & contact info sheet for the City of Portland Business LIcense Tax and Multnomah County Business Income Tax
Pagina en Espanol de Informacion de Impuesto
Pagina facil de imprimir sobre las preguntas frecuentes del impuesto de negocio de la Ciudad de Portland y el Condado de Multnomah
Change in Business Structure
For existing businesses changing their tax entity
New Businesses & Registration
For new entrepreneurs or people thinking of opening a business