isclaimer: These sites will let you search for and examine property in Columbia County, Oregon. The information used, is derived from the Columbia County Assessor's Tax Roll. The information is provided for informational purposes only. These are not the official records of the Assessor's Office. Columbia County does not guarantee the accuracy of information on this website; information is subject to change without notice. Any use of, or actions taken based upon, any of the information contained on or accessed through this website is done entirely at your own risk. Columbia County assumes no responsibility with regard to the selection, performance, or use of information on this website. By proceeding to the A&T Web Query or the Columbia County Web Maps, you agree that you understand this disclaimer.
IMPORTANT WEB BROWSER INFORMATION: These programs may not run correctly with all browsers. We recommend you use Internet Explorer or Microsoft Edge.
This application allows you to search for property in several different ways, and includes the base cadastral map as well as several GIS layers. Only one year of data is available and it is the most current, non-certified assessment data. The assessment data is not as detailed as the A&T Web Query data, however, property that is segregated or combined for the next tax year will be shown.
UPDATE SCHEDULE: Our web maps data does not currently automatically updated. It is usually updated once a week, however, it may be longer depending on staff resources and priorities. For the most up-to-date information, please use the A&T Web Query.