How to appeal a Hamilton County, OH property assessment
✓ Verified — Last verified October 24, 2026
Filing details published for Hamilton County. Match the notice and assessment cycle to the official instructions.
Official appeal instructionsNot tax or legal advice; confirm with your county.
Filing timing
Notice-dependent instructions
Valuation challenges must be filed January 1 through March 31.
Official source. Verified .
Where to file
Hamilton County Board of Revision
Official source. Verified .
Official offices
Hamilton County Auditor
Sources for these instructions
https://www.hamiltoncountyohio.gov/government/departments/treasurer/real_estate_information.php
challenges must be filed between January 1 and March 31.
Verified October 24, 2026
https://www.hamiltoncountyohio.gov/government/departments/treasurer/real_estate_information.php
Challenges are filed with, and are heard by, the Hamilton County Board of Revision.
Verified October 24, 2026
https://www.hamiltoncountyohio.gov/government/departments/treasurer/real_estate_information.php
Board of Revision website
Verified October 24, 2026
Continue with your property
Common questions
Where do I file a Hamilton County assessment appeal?
Hamilton County Board of Revision