About City of Portland Business License Tax & Multnomah County Business Income Tax file and pay online options...
If you are not currently logged onto PortlandOnline, you will be prompted to sign in or create a new PortlandOnline login when you enter this application.
Payments forms accepted include checking accounts (electronic payments) and Credit/Debit cards (convenience fee applies).
Payment is not required to file an application, tax return or extension request.
Your bank may require you to authorize Automated Clearing House (ACH) payments before you can make a payment with this service. Contact your bank if you are not certain your account can make ACH payments. If your bank account is not authorized to make ACH payments, your payment will be rejected by the bank. A returned item will result in a "returned check" letter from us, requesting payment and may include a $25 returned item fee. You may request this fee be waived if the returned item was for any reason other than non-sufficient funds.