Tax relief and valuation review
A homestead exemption, senior-relief program, or valuation protest can change the amount a homeowner owes—but only if the filing reaches the right local office in the correct window. Use the verified county guidance below as your working checklist, then confirm the current form and deadline with Warren County Auditor (Matt Nolan) / Warren County Treasurer (Randy Kuvin).
Relief programs
The filing guidance for this county is: December 31, 2026; Warren County requires DTE 105A after the first Monday in January and no later than December 31. Use the official form or application channel, provide the residence and ownership documentation requested, and keep a copy of the submission.
Open homestead applicationOhio Homestead Exemption: qualifying homeowners age 65+, permanently and totally disabled homeowners, eligible surviving spouses, and qualifying 100% service-connected disabled veterans may apply. The home must be owned and occupied as the principal residence on January 1. New senior/disabled applicants generally must have 2025 Ohio modified adjusted gross income of $41,000 or less for the 2026 application period; the standard homestead reduction shields up to $29,000 of market value and enhanced disabled-veteran relief has separate requirements.
No general countywide parcel-value cap was published. Ohio assesses real property at 35% of market value, reappraises every six years with triennial updates, and applies HB 920 reduction factors and the 10-mill limitation. House Bill 186, effective March 20, 2026, creates an Inflation Cap Credit for qualifying school-district/JVS levy growth; it is a tax credit/collection limitation, not a general cap on appraised or taxable parcel value.
Appealing an assessment
Use the valuation notice and the county’s published protest guidance to determine the last day to file. Do not assume the payment deadline controls the appeal.
Gather comparable sales, photographs, repair records, appraisal evidence, property characteristics, and any documentation that explains why the assessed value is incorrect.
Submit through the official channel, save the confirmation, and attend the board or review hearing if one is scheduled. An appraiser or attorney can help evaluate evidence when the value or stakes are substantial.
The verified protest guidance for this county is: January 1–March 31, 2026 for 2025 valuation complaints under Ohio Revised Code §5715.19; file DTE 1 with the County Auditor. If the language is not a specific calendar date, contact the office promptly for the current notice and board-review schedule.