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County auditor says Grandview Heights properties average 14% increase in tentative values
Summary
Franklin County Auditor staff told the Grandview Heights City Council that a countywide property value update shows an average 10% rise with Grandview Heights averaging about 14%; officials urged residents to check tentative values and noted changes do not automatically increase taxes because of state rate adjustments.
Beth Furman Kinney, director of community outreach for the Franklin County Auditor's Office, and policy manager McKenna Dugan presented the county's 2026 property value update to the Grandview Heights City Council on July 13.
Dugan said the update, a triennial midpoint to the six‑year sexennial reappraisal, uses arm’s‑length sales from 2023–2024 to estimate current market values and that countywide median values rose about 10 percent. “On average, Franklin County saw a 10% increase in property value,” Dugan said, adding that “Grandview Heights will see on average 14%.”
The presenters stressed that a higher assessed value is not a one‑for‑one increase in taxes. Dugan noted that state law and rate adjustments typically prevent a direct equivalence: “House Bill 920 means when values go up, tax rates generally are adjusted down, so the same amount of taxes are collected,” she said. The auditors also reviewed the difference between a full reappraisal (with inspections) and a value update (no exterior inspections) and said the county expanded delineated appraisal neighborhoods during the last reappraisal to improve median calculations.
Auditor staff directed residents to the Know Your Home Value website for tentative values and neighborhood medians and said informal review sessions will run July 28 through the first week of September; residents who disagree with a tentative value may pursue a formal appeal to the board of revision. The office encouraged homeowners to provide documentation (photos, construction details) to correct recorded property characteristics such as number of bathrooms or presence of a finished basement.
Council members asked about how appraisal neighborhoods are delineated and whether the county uses outside vendors. Dugan said the county’s appraisal team groups properties by similar housing stock (bedroom/bathroom counts, size) and that the office used both in‑house staff and an outside vendor for the delineation work.
Why this matters: higher tentative values affect the calculation base the county uses to set rates, and while not all homeowners will see higher taxes, the change influences local budget planning and unvoted mill revenue. Auditor staff advised residents to review the mailed postcard with their tentative value, use the online property search, and attend review sessions if they have concerns.
Next steps: the Auditor's Office will hold property value review sessions through early September; residents who remain dissatisfied may file formal appeals to the board of revision.
