Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. Every office link was opened and checked against the office's own site between September 23, 2026 and September 30, 2026.
Ontonagon County, Michigan, has about 5,800 residents (2024 Census Bureau estimate). The title to a parcel in Ontonagon County is in the deed records of the Register of Deeds and its taxable value is set by the town assessor; what is built on it is a matter for the city or the county. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, evictions and court cases, records requests, directory links and common questions.
Related guides: Ontonagon County public records, Ontonagon County arrest records, Ontonagon County warrants, Ontonagon County inmate search, Ontonagon County police reports, Michigan arrest records and Michigan inmate search.
Deeds, Mortgages and Liens in Ontonagon County
Who owns a parcel in Ontonagon County and what it sold for are in the deed records of the Register of Deeds, with every lien or mortgage against the land.
SearchSystems opened and checked the Register of Deeds' page at ontonagoncounty.org/county-offices/county-clerk-register-of-deeds (page title: County Clerk & Register of Deeds | Ontonagon County), phone 906-884-4255, which answered when SearchSystems opened it on September 23, 2026.
Assessed Values and the Tax Roll in Ontonagon County
The value each parcel in Ontonagon County is taxed on is set locally, by the assessor of each city and township, not by the county. Michigan caps the yearly rise in a property's taxable value at the rate of inflation or 5 percent, whichever is lower, until the property is sold.
Evictions and Court Cases About Land in Ontonagon County
Court cases about land from Ontonagon County, evictions among them, are filed in the District Court or the Ontonagon County Circuit Court.
Asking a County Office for a Record
Under the Michigan Freedom of Information Act a county office must answer a request within 5 business days, with a 10-day extension, and it may charge labor and copying, at rates the law caps.
More Official Property and Land Records Pages for Ontonagon County
The SearchSystems directory, online since 1997, lists the official pages for Ontonagon County and Michigan. These property pages from its Ontonagon County listing were opened again on October 2, 2026 and each one still answers:
- Preliminary Plat & Condominium Review (michigan.gov)
Frequently Asked Questions
Who records deeds in Ontonagon County?
The Register of Deeds, at ontonagoncounty.org, phone 906-884-4255. Deeds, mortgages and liens on land in Ontonagon County are filed there.
Who sets the assessed value of a property in Ontonagon County?
The assessor of each city and township.
Where are evictions from Ontonagon County filed?
In the District Court. The file is public unless the court seals it.
How is property assessed in Michigan?
Michigan caps the yearly rise in a property's taxable value at the rate of inflation or 5 percent, whichever is lower, until the property is sold.
Is this the official Ontonagon County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.