Where to find Will County property tax information
Will County maintains property tax records through the Assessor's Office and the Treasurer's Office, and you can search them online without visiting in person. The Will County Assessor's website lets you look up assessed values, property descriptions, and ownership information by address or parcel number. The Will County Treasurer's website shows tax bills, payment history, and amounts owed. Both offices post their search tools on their official county websites.
You do not need to create an account or provide personal information to view basic property records. The search is free and available to anyone. Results typically show current and recent tax years, though the depth of historical data varies between the two offices.
Key Takeaways
- The Will County Assessor's Office search shows property values, legal descriptions, and who owns the property, searchable by address or parcel number.
- The Will County Treasurer's Office search displays tax bills, payment status, and what is owed on a specific property.
- Both searches are free, require no login, and are available on the county's official websites.
- If you cannot find a property online, the Assessor's and Treasurer's offices accept phone and in-person requests for records.
How to search the Assessor's Office records
Go to the Will County Assessor's website and locate the property search tool (usually labeled "Property Search" or "Parcel Search"). Enter either the street address or the parcel number. If you have the parcel number, that search is usually faster and more precise. The address search works if you know the street but not the parcel ID.
Results show the property owner's name, the legal description of the land, the square footage, the number of bedrooms and bathrooms (for residential properties), and the assessed value. The assessed value is what the county uses to calculate your property tax bill, not the market value. You will also see the tax year the assessment covers.
If the property has changed hands recently, the search may show the previous owner for one or two tax years before the new owner appears. This lag is normal and reflects how often the Assessor updates records after a sale closes.
How to search the Treasurer's Office records
The Will County Treasurer's Office search shows tax bills and payment information. Go to their website and use the property search tool, entering the address or parcel number. Results display the current tax bill amount, the due date, and whether the bill has been paid in full, partially paid, or is overdue.
This search covers the current tax year and usually the prior year or two. If you are looking for tax history from five or ten years ago, the Treasurer's Office can provide it, but you may need to call or visit in person. The online search is designed for recent bills and current payment status.
If a property has a tax lien or is in foreclosure for unpaid taxes, that status may appear in the search results or in a separate notice section. The Treasurer's Office also posts lists of properties with delinquent taxes on their website.
What information you will see in the results
The Assessor's search returns the property owner's name and mailing address, the legal description (the subdivision, lot number, and block), the land use code (residential, commercial, industrial, etc.), the square footage of the building, the year the building was constructed, and the assessed value. Some results also include whether the property is in a tax increment financing (TIF) district, which affects how taxes are calculated.
The Treasurer's search shows the tax bill amount broken down by taxing body (the school district, the municipality, the county, and any special districts), the due date, the payment status, and sometimes a note about penalties or interest if the bill is late. If you own the property, you can use this information to understand which part of your bill goes to schools, which to your city, and which to other services.
Searching by parcel number versus address
A parcel number is a unique identifier assigned to every piece of property in Will County. It appears on your property tax bill and on the deed. If you have the parcel number, use it — the search will return results instantly and with no ambiguity. Parcel numbers look like a series of numbers separated by hyphens, such as 12-34-567-890.
If you do not have the parcel number, search by street address. The search tool will return all properties at that address. For single-family homes this is usually one result, but for apartment buildings or commercial properties with multiple units, you may see several parcels listed. Each parcel has its own tax bill and assessed value.
If you search by address and get no results, try entering just the street number and street name without the city or ZIP code. Some search tools are sensitive to how the address is formatted.
What to do if you cannot find the property online
If the online search returns no results, contact the Will County Assessor's Office by phone or visit their office in person. Have the street address and the owner's name ready. The staff can tell you the parcel number, confirm the property exists in Will County records, and explain why it may not appear in the online search (for example, if the property was recently annexed or if there is a data entry error).
The Assessor's Office phone number and office hours are posted on their website. Many counties also accept email requests for property information, though phone is usually faster. If you need historical records from many years ago, ask whether they charge a fee for copies or research time.
The Treasurer's Office can also help if you are trying to find tax bill information. If you know the owner's name but not the address, the Treasurer may be able to search by name, though this is less common and may require an in-person or phone request.
Frequently Asked Questions
Can I see who owns a property in Will County without knowing the address?
The online search tools require either an address or a parcel number. If you know only the owner's name, call the Assessor's Office directly — staff can search by owner name and provide the address and parcel number. Some counties post ownership lists online, but this varies.
Why is the assessed value different from what I think the house is worth?
Assessed value and market value are not the same. The Assessor estimates assessed value for tax purposes; it is often lower than what a house would sell for. Assessed values are updated on a schedule set by state law, so they may lag behind actual market changes. If you think the assessment is wrong, you can file a formal challenge called a "tax appeal" or "assessment appeal" with the Assessor's Office.
How often are the online records updated?
The Assessor's records are usually updated once a year after assessments are finalized, typically in the spring or early summer. The Treasurer's records update more frequently as payments are received, sometimes within a few days. Check the county website for the exact update schedule.
Can I see tax records for a property I do not own?
Yes. Property tax records are public information in Illinois. Anyone can search and view assessed values, ownership names, and tax bill amounts. However, some detailed information (like a full payment history or personal financial details) may require a formal records request.
What if the property is in a trust or owned by a company?
The search will show the trust name or company name as the owner. If you need to know who controls the trust or who the company's principals are, that information is not always in the tax records. You may need to search the Will County Recorder's Office (for deed information) or the Illinois Secretary of State (for company filings).