Direct answer: In Indiana, 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 Indiana?
AssessmentCounty Assessor
Appeal bodyPTABOA, then Indiana Board of Tax Review
Tax collectionCounty treasurer
Recorded documentsCounty recorder
How the state system works
County assessors manage valuation; county treasurers generally manage tax billing and payments.
County or township assessors maintain property record cards. Form 130 starts an appeal, county PTABOA hears unresolved cases, and property taxes are generally paid in arrears.