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

Mason County is a county in Illinois with about 13,000 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 8 county office pages for Mason 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, State's Attorney, Records requests, Statewide sources, More directory links, Cities and towns, Other counties and Questions.

Where Mason County public records live

Each kind of Mason 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 Mason County

A person arrested in Mason 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 Mason County.

  • Website: masoncountyil.gov/officials (page title: Officials | Mason County, IL)
  • Phone: 309-543-6619
  • Checked: September 28, 2026, the page answered.

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 Mason County

Civil, criminal, family, probate and traffic cases filed in Mason 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 Mason County.

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County Clerk of Mason 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 Mason County.

  • Website: masoncountyil.gov/county-clerk (page title: County Clerk | Mason County, IL)
  • Phone: 309-543-6661
  • Checked: September 23, 2026, the page answered.

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Deeds, land records and property values in Mason County

Two offices share property records. The recording office files deeds, mortgages, liens and the other documents that affect title to land in Mason 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: County Recorder

  • Website: masoncountyil.gov/county-clerk (page title: County Clerk | Mason County, IL)
  • Phone: 309-543-6661
  • Checked: September 23, 2026, the page answered.

Property values: Supervisor of Assessments

  • Website: masoncountyil.gov/assessment (page title: Assessment | Mason County, IL)
  • Phone: 309-543-4775
  • Address: 125 N. Plum St Havana, IL 62644-0077
  • Checked: September 23, 2026, the page answered.

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Birth, death and marriage records in Mason County

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

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State's Attorney for Mason County

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

  • Website: masoncountyil.gov/contact-us (page title: Contact Us | Mason County, IL)
  • Phone: 309-543-6619
  • Checked: September 23, 2026, the page answered.

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Public records requests to Mason 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 Mason County.

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Statewide Illinois sources

Some records are kept by the state rather than the county. These are the Illinois 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 Mason County and were opened again on October 2, 2026. Each one still answers.

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Cities and towns in Mason County

Mason County has 9 incorporated cities and towns (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.

  • Havana (2,826)
  • Mason City (1,982)
  • Manito (1,488)
  • San Jose (469)
  • Easton (302)
  • Bath (265)
  • Kilbourne (259)
  • Forest City (210)
  • Topeka (56)

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Mason County Arrest Records

The Mason County arrest records guide names the seven agencies that report arrests to the FBI here and the 1,240 arrests the three agencies 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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Mason County Records Guides

SearchSystems has six more guides to Mason County, each written from the county's own offices and figures: Mason County warrants (who issues and serves them, where a person arrested on one is held, how to check for one), Mason County criminal records (the court file, the Illinois criminal history and the local arrest records), Mason County court records (which court hears what, the case search and who keeps the files), Mason County police reports (which agency holds a report and what the Illinois Freedom of Information Act requires), Mason County traffic tickets (which court takes the ticket, who writes them and the driving record) and Mason County property records (deeds, assessed values, permits and evictions).

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Frequently Asked Questions

Is this the official Mason 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 Mason County?

Use the jail or inmate page SearchSystems verified for Mason County at masoncountyil.gov/officials, or call 309-543-6619. Rosters usually show the people in custody now; after release, the case continues in the court records.

Where do I look up a court case in Mason County?

The court records page SearchSystems verified for Mason County is at illinoiscourts.gov, phone (309) 543-6619. A case number finds a case fastest; a name search returns every case with that name.

Who records deeds in Mason County?

The County Recorder, at masoncountyil.gov/county-clerk. Deeds, mortgages and liens on land in Mason County are filed there.

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

From the office SearchSystems verified for Mason County vital records at masoncountyil.gov/county-clerk/vital-records, phone 309-543-6661, or from the Illinois state vital records office.

How do I request a public record from Mason County?

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