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Ottawa County · Oak Harbor, OHOak Harbor, OH property taxes. Prices stalled. Check the notice.
The typical home in Oak Harbor was worth about $212,000 in January 2026, 0.2% less than a year earlier. A notice that went up anyway deserves a second look.
Check my Oak Harbor home for free →
What Oak Harbor home values did
Oak Harbor values fell 0.2% in the year to January 2026, and sat 1.0% under the March 2025 high. That's in line with Ottawa County as a whole (-0.6%).
Since January, values have risen 1.5% through August 2026.
| Month | Typical value | vs. a year earlier |
|---|---|---|
| January 2021 | $167,000 | +9.3% |
| January 2022 | $184,000 | +10.2% |
| January 2023 | $196,000 | +6.6% |
| January 2024 | $202,000 | +3.2% |
| January 2025 | $212,000 | +5.0% |
| January 2026 | $212,000 | -0.2% |
| August 2026 (latest) | $215,000 | +1.5% since January |
Peak since 2021: $214,000 in March 2025. January 2026 was 1.0% below it.
What to check on your notice
If your 2026 notice shows a higher value than last year, ask why. The typical Oak Harbor home lost 0.2% over the same stretch. A higher number can still be right for a specific home, for example after a remodel, but the county auditor should be able to explain it.
How Oak Harbor compares nearby
Among 10 Ottawa County places, Oak Harbor has the 7th largest drop from its peak and the 8th highest typical value. Statewide, its 1-year change ranks 113th of 935 Ohio places, from weakest to strongest.
| Place | January 2026 | 1-year change | vs. peak |
|---|---|---|---|
| Port Clinton | $279,000 | +0.2% | At peak |
| Oak Harbor | $212,000 | -0.2% | -1.0% |
| Genoa | $211,000 | -2.5% | -3.3% |
| Elmore | $224,000 | -1.2% | -2.6% |
| Martin | $220,000 | -0.5% | -1.3% |
| Rocky Ridge | $117,000 | -5.4% | -11.2% |
| Graytown | $259,000 | -2.1% | -2.7% |
| Middle Bass | $298,000 | -2.1% | -2.3% |
| Put in Bay | $452,000 | +1.6% | At peak |
| Marblehead | $454,000 | -0.6% | -0.9% |
Deadline and where to file
Oak Harbor values are set by the local county auditor. File a complaint with the county auditor on or before March 31 of the year after the tax year, or the date collection of first-half taxes closes, whichever is later. Complaints can be filed starting January 1. By mail, the postmark counts as the filing date.
Reading this in fall 2026? The window for tax year 2025 closed March 31, 2026. The next window opens January 1, 2027 and closes March 31, 2027 (or the close of first-half collection, whichever is later) for tax year 2026. Gather your evidence over the winter and file early in 2027.
The Ottawa County guide covers the full Ohio complaint process: forms, fees, hearing levels and what happens next.
Building a Oak Harbor case
The numbers above describe the typical Oak Harbor home, not yours. Oak Harbor is part of the Toledo metro, but your evidence should be local. Sales a few streets away usually beat sales across the metro.
- Be ready for hearing questions about the property. The board may ask for purchase documents, construction costs or other records.
Get your Oak Harbor appeal report
Start with your address. Vulorean checks your assessment against recent comparable sales and builds a value report you can bring to your Ohio complaint. Eligible reports are free during launch; an account is required and local filing fees are separate.
Check my property and get a report →Vulorean was built for California first. Ohio forms, deadlines and filing rules vary, so confirm them with your local office before filing. If something in your report looks wrong, email support@vulorean.com and we'll get it fixed.
Home values: Zillow Home Value Index (ZHVI), all homes, mid-tier, smoothed and seasonally adjusted, through August 2026, from Zillow Research. Rules: Ohio Revised Code 5715.19 (complaint filing, effective March 20, 2026), Ohio Revised Code 5717.01 (appeal to Board of Tax Appeals, 30 days), Ohio Department of Taxation: DTE Form 1, Ohio Department of Taxation: Reappraisal and update schedule. Vulorean is an independent service, not a government office. Confirm dates and forms with your local office.