Assessor's Office

Welcome from Columbia County Assessor Andrea Jurkiewicz

**Beginning April 22, 2026, Columbia County Webmaps will be undergoing upgrades to meet the Department of Justice's Title II ADA WCAG requirements and will be offline until further notice**

Thank you for visiting the webpage of the Columbia County Assessor. Please know that my staff and I are committed to using a proven foundation to establish fair and equitable property values in the county. Your property taxes are vitally important to the economic health and sustainability of Columbia County. Please feel free to contact us about any concerns you have about property assessment or your eligibility for available property tax relief programs.

About the Assessor's Office

The Columbia County Assessor is an elected official whose role is to establish a fair and equitable real market value on all real property and business personal property for tax purposes in accordance with Oregon Property Tax Laws. The assessor is responsible for the administration of all property tax data records and maintains accurate parcel ownership data based upon recorded property transactions at the Columbia County Clerk's Office.

The major duties of the Assessor are to locate and identify each property; inventory, classify, value, and calculate the tax on each property; prepare and certify the annual assessment roll for the county; and respond to all property value appeals.

Personal Property eFiling

Click here to electronically file a Business Personal Property Return form.

Understanding Your Property Taxes

Property Records Online

Need help using Webmaps? Click Here   

**Beginning April 22, 2026, Columbia County Webmaps will be undergoing upgrades to meet the Department of Justice's Title II ADA WCAG requirements and will be offline until further notice.**

By clicking on either of the image links below, you agree to our DISCLAIMER


Property Search online link                                    Columbia County Web Maps link

Assessors quick links
General Information
Phone Numbers
503-397-2240
Fax: 503-397-5153
Emergencies: Dial 911
Location
230 Strand St.
Columbia County Courthouse Annex
St. Helens,
OR
97051

Monday - Friday
8:30 a.m. to 5:00 p.m.