Ohio Board of Revision · Tax year 2026
One window a year.
Complaints against 2026 values can be filed from January 1 through March 31, 2027. Miss it and the value stands for the year.
Filing window
Now – Dec 31, 2026
Check your number, gather rent roll, leases, recent appraisal or purchase docs.
Jan 1, 2027
Board of Revision filing window opens for tax year 2026 values (Ohio R.C. 5715.19).
Mar 31, 2027
Last day to file the complaint (DTE Form 1) with your county Board of Revision.
Apr – Jul 2027
School boards may file counter-complaints; hearings get scheduled.
Summer–fall 2027
BOR hearings and decisions; appeal rights to the BTA or common pleas court follow.
General information, not legal advice. Confirm dates and filing requirements with your county Board of Revision or an Ohio attorney.