SearchSystems Editorial

Reviewed and updated October 2, 2026 by the SearchSystems.net editorial team. Every office link on this page was opened and checked against the office's own website at review time.

About this guide

Ontonagon County is a county in Michigan with about 5,800 residents (2024 Census Bureau estimate). Its public records are not in one place: court cases, jail bookings, deeds, property values, vital records and records requests each belong to a different office. This guide names the office that holds each kind of record, links to its own website and gives the phone number and address where the office publishes them. SearchSystems verified 6 county office pages for Ontonagon County, every one opened and checked.

In this guide: Where the records live, Jail and arrests, Court records, County Clerk, Deeds and property, Vital records, Prosecuting Attorney, Records requests, Statewide sources, More directory links, Cities and towns, Other counties and Questions.

Where Ontonagon County public records live

Each kind of Ontonagon County record is kept by a different office. The list below names the office SearchSystems verified for each one; the sections that follow give its phone, address and hours where the office publishes them.

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Arrests, jail and inmate lookups in Ontonagon County

A person arrested in Ontonagon County is booked into the jail, and the booking record (name, charges, bond and the next court date) is public in most cases. The office below is the one SearchSystems verified for jail and inmate information in Ontonagon County.

Jail rosters usually show the people in custody now. Once a person is released, the case continues in the court records below.

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Court records and case lookups in Ontonagon County

Civil, criminal, family, probate and traffic cases filed in Ontonagon County are kept by the clerk of the court that heard them. Many courts offer an online case search; the page below is the one SearchSystems verified for Ontonagon County.

SearchSystems has not yet verified an online case search for Ontonagon County. The statewide court search below covers the state courts.

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County Clerk of Ontonagon County

The county clerk is the county's record keeper. What the office holds differs by state: in some states it files marriage licenses and vital records, in others deeds, court papers or the meeting records of the governing board. Its own website below says what it holds in Ontonagon County.

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Deeds, land records and property values in Ontonagon County

Two offices share property records. The recording office files deeds, mortgages, liens and the other documents that affect title to land in Ontonagon County. The assessment office sets the taxable value of each parcel and usually offers a free parcel search by address or owner name.

Recorded documents: Register of Deeds

Property values: County Assessor

SearchSystems has not yet verified an online parcel search for Ontonagon County.

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Birth, death and marriage records in Ontonagon County

Certified copies of birth and death certificates for events in Ontonagon County are issued by the office below. The Michigan state vital records office also issues certified copies for any event in the state.

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Prosecuting Attorney for Ontonagon County

The Prosecuting Attorney is the office that prosecutes criminal cases in Ontonagon County. The case files themselves are court records (above); the prosecutor's office handles victim services and questions about pending prosecutions.

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Public records requests to Ontonagon County

Every state has a public records law that applies to county offices. A record that is not posted online is requested from the office that holds it. Many counties run one request page for every department; it is listed below when SearchSystems verified one for Ontonagon County.

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Statewide Michigan sources

Some records are kept by the state rather than the county. These are the Michigan state offices SearchSystems verified; each link opens the state office's own page.

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These links come from the SearchSystems directory for Ontonagon County and were opened again on October 2, 2026. Each one still answers.

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Cities and towns in Ontonagon County

Ontonagon County has 1 incorporated city or town (2024 Census Bureau count, population in parentheses). City records such as council minutes, permits, business licenses and police reports are kept by each city; the records on this page are county records whatever the city.

  • Ontonagon (1,262)

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Ontonagon County Arrest Records

The Ontonagon County arrest records guide names the two agencies that report arrests to the FBI here and the 11 arrests the one agency with every month of 2025 on file reported that year. It also says where a person arrested here is held, how to find out about an arrest and how to get a copy of the report.

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Ontonagon County Records Guides

SearchSystems has four more guides to Ontonagon County, each written from the county's own offices and figures: Ontonagon County warrants (who issues and serves them, where a person arrested on one is held, how to check for one), Ontonagon County inmate search (the jail page of the Ontonagon County Sheriff's Office, the jail numbers and who books people), Ontonagon County police reports (which agency holds a report and what the Michigan Freedom of Information Act requires) and Ontonagon County property records (deeds, assessed values, permits and evictions).

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Frequently Asked Questions

Is this the official Ontonagon County website?

No. SearchSystems.net is an independent public records directory, online since 1997. It links to the official offices listed above; SearchSystems does not hold records, charge for them or take requests.

How do I find out if someone is in jail in Ontonagon County?

Use the jail or inmate page SearchSystems verified for Ontonagon County at ontonagoncounty.org, or call 906-884-4901. Rosters usually show the people in custody now; after release, the case continues in the court records.

Who records deeds in Ontonagon County?

The Register of Deeds, at ontonagoncounty.org. Deeds, mortgages and liens on land in Ontonagon County are filed there.

How do I get a birth or death certificate for Ontonagon County?

From the office SearchSystems verified for Ontonagon County vital records at ontonagoncounty.org, phone 906-884-4255, or from the Michigan state vital records office.

How do I request a public record from Ontonagon County?

Through the records request page at ontonagoncounty.org. A record that is not covered there is requested from the office that holds it.