Direct answer: In Oregon, the primary assessment office term is County Assessor. Tax collection, recorded documents and formal appeals may be handled by separate offices.
Who handles property tasks in Oregon?
AssessmentCounty Assessor
Appeal bodyProperty Value Appeals Board
Tax collectionCounty tax collector / assessment and taxation
Recorded documentsCounty clerk or recording division
How the state system works
County assessment and taxation offices maintain values, exemptions and tax records.
County assessment and taxation offices maintain RMV, MAV and AV, issue tax statements, collect tax and often record documents. Property Value Appeals Boards hear local value appeals.