Decatur County Courthouse 150 Courthouse Square, Suite 105 HOURS | Mon-Fri 8am-4pm PHONE | 812-663-4868 FAX | 812-662-6392 Dorene Greiwe Assessor assessor@decaturcounty.in.gov Important Information Forms and Documents Appeals Procedure Property Tax Assessment Board of Appeals Frequently Asked Questions Duties of the County Assessor Resources Personal Property forms Online Sales Disclosure Form for Indiana Residents Indiana Department of Local Government Finance Indiana General Assembly