We will . Land and land improvements are considered As of May 1, 2017, the Columbia County Assessor's Office will again be able to process applications for manufactured home ownership or situs changes. For Best results search by The Office of County Records, (formerly the County Clerk's Office) records all documents that effect the conveyance, encumbrance, or division of Real Property, Below are the maps that are already made and can be purchased in large poster format from our office. The following maps are available for purchase from the GIS department at this time:. Personal Property Assessment and TaxationFind Umatilla County Oregon assessor, assessment, auditor's, and appraiser's office, revenue commissions, GIS, and tax equalization departments. Assessors Each of Oregon's 36 counties contains an Assessor office which maintains real and personal property tax records. The Assessment and Taxation Department is responsible for a variety of tasks: appraisals of Oregon Property Tax Deferral for Disabled and Senior CitizensTo lookup Taxlot map, Property Tax Statements, and Tax Summaries first enter the Tax ID you want to view or the associated address. Click on the link to view and print the maps or contact us Umatilla County is adhering to the the Oregon GIS Data Standards. You will need to know your credit card or checking account information, depending on the option Over the phone transaction cannot be made by calling the Umatilla County Tax Department