What can I appeal?
Assessment & Taxation Pages
Helpful links for information on Multnomah County Property taxes
When do taxes become a lien on my property?
Learn more about how the Property Tax system works in Oregon
Access older Assessment & Taxation reports
Learn more about your property's assessment and how to appeal the value of your property.
Learn how adding an ADU will change your property taxes
Members of the Oregon National Guard or Reserve who are deployed may be eligible for a property tax exemption on their primary residence.
Frequently used Assessment and Taxation forms
The Multnomah County Department of Assessment & Taxation is very excited to launch our new Smartfile E-Filing portal.
Requirements for filing business personal property taxes in Multnomah County
Information about personal property taxes for business owners
Annual Business Personal Property Tax Returns are due March 15th. After August 1st, the penalty for late filing increases to 50%. Contact our office for assistance or to request a replacement form.
answers to commonly asked questions about business personal property taxes
Tips to help businesses navigate the process of filing Business Personal Property Tax Returns
Info you need when you're ready to buy or sell a business with taxable personal property
Too many property tax bills? Consolidating your parcels can help.
Oregon provides an exemption for qualified commercial construction projects in progress as of January 1st.
Competencies provide a common language for describing professional behaviors important for the organization's success
Information to obtain a correction of a property's Maximum Assessed Value Due to Square Footage Error
Property taxes may be reduced when property is destroyed or damaged by fire or Act of God or when buildings are removed.
Dart kiosk user agreement.
Dart kiosk links.
Oregon law provides a variety of property tax exemptions for individuals and certain organizations. Get information about the available programs.