Multnomah County, Oregon Tax Assessors' Office

Where is the Multnomah County Tax Assessor's Office?

While many counties have county-wide tax assessors, Multnomah County has one cities and towns with their own local tax assessors. If your property is located within any of these localities, see that page for your tax assessor's contact information.

What can the Multnomah County Assessor's Office do for me?

The Multnomah County Tax Assessor's Office oversees the appraisal and assessment of properties as well as the billing and collection of property taxes for all taxable real estate located in Multnomah County.

Contact the assessor's office if you need help with paying your property taxes, applying for a homestead exemption or other tax exemption, reporting upgrades to your home, appealing your property tax assessment, or verifying your property records.

Submitting a Multnomah County property tax appeal

If you believe that your house has been unfairly overappraised (i.e. appraised at a value higher than the true market value of the property), you can attempt to get your home re-appraised at a lower value by contacting the Assessor's Office to submit a property tax appeal.

You will have to submit a form describing your property and sufficient proof that it is overassessed, including valuations of similar homes nearby as evidence. If your appeal is accepted, your home assessment (and property taxes) will be lowered as a result.

If you would like to appeal your property, call the Multnomah County Assessor's Office at (503) 988 3326 and ask for a property tax appeal form. Keep in mind that property tax appeals are generally only accepted in a 1-3 month window each year.

For more information and example appeals, see how to appeal your property taxes.

How can I contact Multnomah County?

You can try contacting the Multnomah County local government directly with any issues the Assessor's Office can't solve. In many counties, certain property records such as deeds are kept in the county courthouse or county archives instead of at the tax assessors' office.

The county seat for Multnomah County is located in the in Portland, which is where the Multnomah County Assessors' Office is also located. You can direct your general inquiries to Multnomah County with the contact info listed below.

Multnomah County Phone Number

503-823-4000

Multnomah County Fax Number

503-988-3013

Multnomah County Address

501 SE Hawthorne Blvd
Portland, OR 97214

Useful Multnomah County Links:

• Multnomah County Assessors' Office Homepage
• GIS Map
• City of Gresham - GIS Map
• Multnomah County Government Homepage
• Multnomah County Tax Records
• Multnomah County Search by street address or intersection