Arts Tax: 503-865-4278
Business Taxes: 503-823-5157
111 SW Columbia St, Suite 600, Portland, OR 97201
File a Combined Tax Return
Go to the tax forms in the Business Taxes forms library
General Business Forms
Payment coupons, exemption & extension requests, update account info, out of business notifications, temporary licenses and requesting financial information
Learn about Exemptions
Certain business activities are exempt from paying business taxes in Portland and/or Multnomah County. If you qualify for one or more of the exemptions, you must file a request for exemption each year and provide supporting tax pages