St. Clair County Property Records

St. Clair County property records are held at the county assessor office in Belleville. With more than 253,000 residents, this is one of the most populated counties in the Metro East region of Illinois. You can search St. Clair County property records through the online portal or visit the office at 10 Public Square. The assessor tracks all assessed values, tax data, and ownership details for each parcel in St. Clair County. Whether you need to look up a home value, check who owns a lot, or pull up tax information, the resources on this page can help you find St. Clair County property records fast.

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St. Clair County Quick Facts

253,694 Population
Belleville County Seat
33⅓% Assessment Rate
Jan 1 Lien Date

St. Clair County Assessor Office

The assessor office is the main source for property records in St. Clair County. Jennifer Gomric-Minton serves as the county assessor. Her office keeps track of assessed values for all real property in the county. That means homes, farms, commercial buildings, and vacant land all fall under this office. Staff can help you with questions about your assessed value or how to file for an exemption on your St. Clair County property.

Under 35 ILCS 200/, the assessor must value all real property at 33 1/3 percent of its fair market value. Township assessors in St. Clair County handle the initial valuations and then send their work to the county assessor for review. The county assessor checks that values are fair and consistent across all townships. If something looks off, the office can make adjustments. This is the same process used across most of Illinois, but St. Clair County has its own local team to manage it.

The St. Clair County Assessor website has forms, contact details, and links to the property search tool that covers every parcel in the county.

St. Clair County Assessor Department page for property records

From this page you can reach the online search tool, find office hours, and learn about property tax exemptions available in St. Clair County.

Assessor Jennifer Gomric-Minton
Address 10 Public Square, Belleville, IL 62220
Phone (618) 825-2500 / (618) 825-2704
Fax (618) 825-2757
Email assessor@co.st-clair.il.us
Hours Monday through Friday, 8:00 a.m. - 5:00 p.m.
Website co.st-clair.il.us/departments/assessor

Search St. Clair County Property Records Online

St. Clair County runs a free online property search at stclairil.devnetwedge.com. This tool uses the DevNet Wedge platform, which is the same system many Illinois counties use. You can search by owner name, address, or parcel number. The site returns assessed values, tax details, and basic parcel information for any property in St. Clair County. No login is needed. Just type in what you know and the system pulls up matching results.

The property search tool shows each parcel's assessed value, which by law under 35 ILCS 200/ must equal 33 1/3 percent of fair market value. It also lists the township, tax code, and property class. If exemptions apply to the parcel, those show up as well. You can use this tool to compare values between similar homes in your area of St. Clair County. It is a good starting point if you think your property might be over-assessed or if you just need to look up basic data for a purchase or sale.

Below is the St. Clair County property search portal where you can look up any parcel in the county by name or address.

St. Clair County online property search tool for property records

Use the search fields to find assessed values, tax data, and ownership details for parcels across St. Clair County.

Note: The online search covers current records, so check with the assessor office for historical St. Clair County property records.

St. Clair County Property Tax Exemptions

Several exemptions can lower the tax bill on your home in St. Clair County. You apply through the assessor office. Each one has its own rules and deadlines. The General Homestead Exemption is the most common. It cuts $6,000 from your assessed value if you own and live in the home. You do not need to be a certain age for this one.

The Senior Citizens Homestead Exemption gives an extra $5,000 reduction for homeowners age 65 and up in St. Clair County. There is also a Senior Citizens Assessment Freeze that locks your assessed value so it does not go up year after year. Income limits apply for the freeze. The Disabled Persons Homestead Exemption takes $2,000 off the assessed value for qualifying residents. Disabled veterans can get a larger break based on their rating. Under 35 ILCS 200/, these exemptions show up on your property record and affect the tax you owe. The St. Clair County assessor office can walk you through each one and tell you what forms to fill out.

You can view full details about the elected assessor and exemption programs on the St. Clair County elected officials assessor page.

St. Clair County elected officials assessor page for property records

This page lists exemption programs and links to forms you need to apply for property tax relief in St. Clair County.

St. Clair County Assessed Values

Every parcel in St. Clair County gets an assessed value. This is the number used to figure out how much property tax you owe. Under Illinois law, the assessed value must be 33 1/3 percent of the fair market value. So if your home in St. Clair County is worth $180,000 on the open market, the assessed value should be about $60,000. Your tax bill is then based on that $60,000 figure multiplied by the local tax rate.

Township assessors do the initial work. They look at sales data, property features, and market trends to set values. The St. Clair County assessor reviews these values and makes sure they are fair across all areas. If a township runs high or low compared to the rest of the county, the assessor can apply an equalization factor. The state also applies a multiplier to keep counties in line with each other. This is all part of how property records in St. Clair County get built and kept up to date each year.

Appeal Property Records in St. Clair County

If you think your assessed value is too high, you can file an appeal. The first step is the Board of Review in St. Clair County. You must file within 30 days of getting your assessment notice. Bring evidence to support your case. Sales of similar homes, photos showing damage, or an appraisal can help. The board looks at your evidence and makes a decision.

If you do not agree with the Board of Review, you can take your case to the Illinois Property Tax Appeal Board. Under 35 ILCS 200/, the appeal board handles disputes between property owners and county assessors across the state. You can also file in circuit court, but most people start with the appeal board. The process is free at the county level in St. Clair County. The state appeal board also does not charge a filing fee. Keep in mind that filing an appeal does not stop your tax bill from coming due. You still need to pay while the case works its way through.

Note: Contact the St. Clair County assessor office at (618) 825-2500 for current appeal deadlines and forms.

Get St. Clair County Property Records in Person

You can visit the assessor office at 10 Public Square in Belleville to look up property records in St. Clair County. The office is open Monday through Friday from 8:00 a.m. to 5:00 p.m. Staff can search records by address, owner name, or parcel number. They can print out assessment data and answer questions about your property. Bring the address or parcel number if you have it. That makes the search go faster.

The St. Clair County Recorder of Deeds is another office that holds property records. Deeds, mortgages, liens, and other recorded documents are filed there. If you need to see who has owned a property over time or check for liens, the recorder office is where to go. The assessor office focuses on values and tax data while the recorder office handles ownership documents. Both are in Belleville and work together to keep St. Clair County property records complete and up to date.

For phone help, call (618) 825-2500 for the assessor or (618) 825-2704 for additional questions. You can also email assessor@co.st-clair.il.us. The staff can point you to the right records or forms you need for your situation in St. Clair County.

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Nearby Counties

These counties border St. Clair County. If the property you are looking for sits near a county line, make sure you are searching the right county. Each one has its own assessor office and property search tools.