Multnomah county assessor

Multnomah county assessor DEFAULT

When trying to determine the ownership of a property or a building, a useful source of information is the property assessment and taxation system. Records often include tax rolls, assessment rolls, tax lot ownership history, and other records that document who paid property taxes on a given piece of real property.

The county also records documents related to property transactions (mortgages and deeds, for example). This information can be accessed through the Division of Assessment, Recording and Taxation's Public Research Room. Online information can be found through their two online databases, MultCoPropTax and MultCoRecords. Both require registration for full access; MultCoPropTax permits limited access though a guest login.

You can also find basic property information, including ownership information, through Portland Maps.

Title companies can also research the title to a piece of property. Generally, this will involve a fee. Call a local title company for more information. Local title companies can be found by doing a web search for "title company" plus the zip code for the area in which the property is located, for example "title company 97214." 

If you are looking for information more so about the history of a house or property, please see our page on House and Property History. 

Key Contact :

Multnomah County
Division of Assessment, Recording, and Taxation

501 S.E. Hawthorne Boulevard, Suite 175
Portland, OR 97214-3577
(503) 988-3326


Quick links

Pay property taxes

Update mailing address

Update Property Characteristics

Property Tax Statement Guide - Guides in multiple languages to help taxpayers better understand their property tax statement. Check property value, how much you owe, property description and more. Use guest login, no password required.  

TaxGraph See how your property value and taxes have changed over the last five years. 

Our services

Assessment and Appeals
Learn more about how properties are assessed (including real property, manufactured structures, floating homes, and moorages) and how to file an appeal if you disagree with the assessors value. 

Delinquent Taxes and Liens

Learn the dates when property taxes become delinquent and other frequently asked questions surrounding delinquency and the foreclosure. 

Business Personal Property
File your business personal property return, pay tax bill. 

Exemptions & Deferrals
Learn about state programs to defer or reduce tax obligations.

Manufactured Structures
Services we provide to Manufactured Structure owners.

Overpayments and Refunds
What to expect if you overpay or are due a refund.

Property Taxes
Pay your taxes, look up your property value and statements, find out how your taxes are calculated and other frequently asked questions.

Reports and Data
Find files and reports useful for historical and property research.

Records and Recording
Look up tax records and other recorded documents. 

Search Tools & Maps
Applications and interactive maps you can access to find out about property values, descriptions, history.

Tax Title Program
Find information about tax foreclosed properties. 

We provide interpretive services for customers with a primary language other than English.  We also provide sign language services for hearing impaired customers.

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Minimum search criteria
At least one field must be filled in with a search term longer than 1 character
The % sign can be used as a wildcard, but will not be counted in the length of a search term
Click a table column header to sort on that column. Click again to reverse the sort. Downloaded results will be sorted accordingly
Click on a page number or first <<, previous <, next > or last >> arrow to navigate the result set
Click on the CSV, JSON or XML buttons to download the entire result set in the corresponding format. It may take a while to download
Click on a numbered cluster to zoom into its members. Click on an individual point or result row to popup its information and highlight its row. Note: some results do not have associated points and cannot be clicked
View in PortlandMaps
Double-click a result row or the link in the popup to open the result in PortlandMaps
A look at Multnomah County's new nearly $325M courthouse

Multnomah County Maps

Multnomah County Property Tax Records

You may access the county tax assessor's database to search for the information on property records including property value, tax information, property description and more.

» Access Multnomah County Property Tax Records

To access property records, login as a Guest, then the search form will be available for you to use. For more information, visit Multnomah County's assessment and taxation page.

Survey and Assessor Image Locator (SAIL) 

SAIL is an interactive map that allows users to find survey information and tax assessor's maps in Multnomah County.

 » Access Multnomah County SAIL Map

The map can be searched by address, tax lot number, plat name, survey number, and several other methods. For more information, visit the Multnomah County Surveyor website.

East Multnomah County Stormwater System

This map includes the stormwater systems of eastern Multnomah County including Troutdale, Fairview, Gresham, Wood Village, Port of Portland and unicorporated Multnomah County.

 » Access East Multnomah County Stormwater System Map


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