SearchSystems Editorial

Reviewed and updated October 11, 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

St. Clair County is a county in Illinois with about 251,000 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 St. Clair 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 St. Clair County public records live

Each kind of St. Clair 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.

Arrests, jail and inmate lookups in St. Clair County

A person arrested in St. Clair 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 St. Clair County.

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

Court records and case lookups in St. Clair County

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

County Clerk of St. Clair 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 St. Clair County.

  • Website: co.st-clair.il.us/departments/county-clerk (page title: County Clerk | Departments | St. Clair)
  • Phone: (618) 656-5744
  • Address: 10 Public Sq. - Belleville, IL 62220
  • Hours: Mon. - Fri. 8:30 am to 5:00 pm
  • Checked: September 23, 2026, the page answered.

Deeds, land records and property values in St. Clair County

Two offices share property records. The recording office files deeds, mortgages, liens and the other documents that affect title to land in St. Clair 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: co.st-clair.il.us/departments/recorder-of-deeds (page title: Recorder of Deeds | Departments | St. Clair)
  • Phone: (618) 825-2481
  • Address: 10 Public Sq, 5th Floor Belleville, IL 62222
  • Checked: September 23, 2026, the page answered.

Property values: Supervisor of Assessments

Birth, death and marriage records in St. Clair County

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

State's Attorney for St. Clair County

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

  • Website: co.st-clair.il.us/departments/states-attorney (page title: State's Attorney | Departments | St. Clair)
  • Phone: (618) 277-3892
  • Address: 10 Public Square Belleville, IL 62220
  • Checked: September 23, 2026, the page answered.

Public records requests to St. Clair 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 St. Clair County.

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.

More St. Clair County links from the SearchSystems directory

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

Cities and towns in St. Clair County

St. Clair County has 25 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. SearchSystems has a guide to the city offices of each linked city; the linked names open them.

St. Clair County Arrest Records

The St. Clair County arrest records guide names the 26 agencies that report arrests to the FBI here and the 6,114 arrests the 17 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.

St. Clair County Records Guides

SearchSystems has nine more guides to St. Clair County, each written from the county's own offices and figures: St. Clair County warrants (who issues and serves them, where a person arrested on one is held, how to check for one), St. Clair County inmate search (the jail page of the St. Clair County Sheriff's Office, the jail numbers and who books people), St. Clair County criminal records (the court file, the Illinois criminal history and the local arrest records), St. Clair County court records (which court hears what, the case search and who keeps the files), St. Clair County police reports (which agency holds a report and what the Illinois Freedom of Information Act requires), St. Clair County traffic tickets (which court takes the ticket, who writes them and the driving record), St. Clair County DUI (the DUI law, the arrest, the court case and the license case), St. Clair County divorce records (which court holds the file and how a certified copy is had) and St. Clair County property records (deeds, assessed values, permits and evictions).

Frequently Asked Questions

Is this the official St. Clair 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 St. Clair County?

Use the jail or inmate page SearchSystems verified for St. Clair County at co.st-clair.il.us, or call (618) 277-3505. 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 St. Clair County?

The court records page SearchSystems verified for St. Clair County is at co.st-clair.il.us. A case number finds a case fastest; a name search returns every case with that name.

Who records deeds in St. Clair County?

The County Recorder, at co.st-clair.il.us. Deeds, mortgages and liens on land in St. Clair County are filed there.

How do I get a birth or death certificate for St. Clair County?

From the office SearchSystems verified for St. Clair County vital records at co.st-clair.il.us, phone (618)277-6600, or from the Illinois state vital records office.

How do I request a public record from St. Clair County?

Through the records request page at stclaircountyil.justfoia.com. A record that is not covered there is requested from the office that holds it.

Population
251K
County Seat
Belleville
Libraries
14
Schools
111