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Treasurer

Welcome to the Clay County Treasurer

The County Treasurer has the responsibility to receive, invest, and distribute the revenue and public monies of the County. This office also keeps accounts of all monies paid out.

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Upcoming Important Dates:

July 1, 2026 – Due date for Mobile Home Tax Payments.

For more information, please visit the “Mobile Home Tax” tab below.

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Common Questions & Services

Pay your taxes online via Credit Card:

  • We will start accepting payments after the tax bills are mailed.
  • Payments must be for the exact amount of the bill.
  • Real Estate Payments made after the due date must include interest of 1.5% per month, as provided by Illinois State Statutes.
  • Mobile Home Payments made after the due date must include a $25.00 per month penalty with a maximum of $100.
  • There will be a convenience fee charged. This fee IS NOT charged or collected by this office.
  • To continue, scan the QR code below and tap the link that appears:

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Mobile Home Taxes

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Mobile Home assessments are determined for tax purposes in January of each year. The owner of the record as of January 1 is responsible for that year’s Mobile Home Privilege Tax. Tax bills will be mailed by the Treasurer’s Office. Tax bills must be paid on or before the due date shown on the tax bill. After the due date, a $25.00 per month penalty with a maximum of $100 will be assessed to all outstanding balances.

All Mobile Home Taxes not paid before the date of the annual tax sale will be sold at the tax sale. If sold taxes are not paid within two years and 6 months from the original tax sale date, the tax buyer can get a title to the mobile home. If you receive a Mobile Home tax bill in error or if any information on your Mobile Home tax bill is incorrect, please contact the County Treasurer’s Office.

Information regarding the 2026 Mobile Home Privilege Tax Bills: 

The due date for Mobile Home Taxes is July 1, 2026.  Payments can be made any time between April 20 & July 1, 2026 to avoid additional penalty fees.  

PLEASE NOTE: Any payments received after July 1, 2026 will be charged an extra $25.00 per month, with a maximum of $100.00 assessed to all outstanding balances.

**If you own a mobile home but you did not receive a Mobile Home Privilege Tax Bill, please contact our office immediately by phone at (618) 665-3727, or send an email to Treasurer@claycounty.illinois.gov.  We will investigate the matter before it is at risk of becoming delinquent.

— Options for Paying your Mobile Home Taxes

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  • By clicking on the button above, you will be redirected to our secure online payment portal where you can submit your payment online.                  Enter “a00082” as your Pay Location Code (PLC) Number.

         PLEASE NOTE: Credit Card payments cannot be processed over the phone.

  • In person at the County Treasurer’s Office during regular business hours.

         Payment methods accepted in-office: Cash, Check, Credit Card, Cashier’s Check and/or Money Order.

  • Mail your check, cashier’s check or money order, with payment stub to:  Clay County Treasurer, P.O. Box 88, Louisville, IL 62858.

         PLEASE NOTE: Mailed payments must be postmarked on or before the due date to avoid penalties.

  • Drop your payment, with payment stub, in the envelope depository at the North Entrance of the Clay County Courthouse.

The properties for which the taxes were purchased by the Trustee and not redeemed within 2 1/2 years become deeded to the County. These properties are then offered through a sealed bid auction, sometimes known as the Surplus Auction, held once a year.

Catalogs are available in our office or online at www.iltaxsale.com

Sale Catalogs for the sealed bid auction will be available in our office or online approximately 1 month before the auction. Cost is $4.

Please ensure that you drive to the location of any property you are interested in, as the addresses listed in the booklet are not guaranteed to be accurate. Each property should have a sign on it.

There is a minimum bid which is listed in the booklet.

The sealed bids are sent to the Trustee’s Office. The Trustee’s Office will notify the winning bidders. The process takes approximately 1 week.

Annual Tax Sale

In order to participate in the annual delinquent tax sale as a tax buyer please read the following:
  • Refer to Illinois Compiled Statutes, Chapter 35, beginning at 35 ILCS 200/21-190 (Article 21, Division 4).

         The Illinois Compiled Statutes can be viewed at: ilga.gov/legislation/ilcs/ilcs.asp

  • Please be aware that when you purchase at the tax sale, you are purchasing taxes, not property. Purchasing tax is a complex legal procedure. It is advised that you read the above referenced Statutes and/or contact an attorney for assistance.
  • Register in writing 10 working days prior to the tax sale with the County Treasurer’s Office. Contact the Treasurer’s Office for the exact date.

         Registration form is available below.

  • Delinquent tax sale listings are published in The Clay County Republican.
  • Tax sale is held at the end of the tax cycle at the County Treasurer’s Office.
  • Subsequent taxes may be paid in the Collector’s Office one day after the second installment due date.
  • Additional information may be obtained by contacting the Treasurer’s Office.

Tax Buyer Registration Form

Audit Distributions:

Tax Year 2024 – Final Distribution for Audits

Tax Year 2024 – 2nd Distribution for Audits

Tax Year 2024 – 1st Distribution for Audits

Tax Year 2023 – Final Distribution for Audits

Settlement Sheets:

Tax Year 2024 – Final Settlement Sheets

Tax Year 2024 – Distribution 2 Settlement Sheets

Tax Year 2024 – Distribution 1 Settlement Sheets

Tax Year 2023 – Final Settlement Sheets

Receipts & Disbursements:

Fiscal Year 2024 – Receipts & Disbursements

General FAQs

When is each installment due?
Real Estate:
  • Installment dates are approximately 30 days after mailing for the 1st installment date with the 2nd installment date being 60 days after the 1st installment date.
Mobile Home:
  • 60 days after mailing.

The entire bill may be paid at one time up to the first installment date without any penalty. If the entire bill is paid anytime after the first installment date, there will be penalty added even if paid before the second installment due date.

  • You may pay by mail. Mail the appropriate payment stub(s) and your payment to the County Treasurer’s Office. Retain the upper portion of the bill for your records. Your cancelled check will be your receipt.
  • You may pay in person at the Clay County Treasurer’s Office.
  • You may pay by credit card online at https://www.govpaynow.com/PLC/#a00082. A convenience fee does apply for credit/debit card. Fees are not retained by the county.
  • You may drop your payment in our secure drop box located outside our office.

A penalty is effective after each installment due date(s) pursuant to State Statutes. Penalty is added at a rate of 1½% per month/effective on the first day following each due date. Parts or fractions of month will be considered as a whole month. Upon mailing delinquent notices $10.00 will be added to each tax bill for certified letter/ publication cost. If you are late, you may still pay your taxes and penalties up until the tax sale date. On the date of the tax sale, your taxes (not your property) will be offered and sold to a tax buyer who will then pay your taxes for you. You will then be liable for the tax amount and penalties sold at the tax sale plus cost and interest at the rate determined by the sale. In most cases, you have two years to redeem your taxes before the tax buyer can pursue taking deed to your property.

To redeem (pay) your back taxes, contact the County Clerk’s Office and ask for the redemption amount. You will need to know your parcel identification number. Payment for back taxes must be by cashier check, money order or cash. Personal checks cannot be accepted.

Your PIN number, parcel identification number or permanent property number, identifies your particular piece of property. It is located on your tax bill in the upper right in the Parcel ID box. If you need this number, contact our office with your name and property address and we can provide you with a PIN number.

Call the County Treasurer’s Office.

If you do not receive a bill, it is your responsibility to contact our office to get a duplicate bill. Failure to receive a tax bill, or receiving one late for any reason, will not relieve the taxpayer from paying taxes or late payments.

If a mortgage company is to pay your bill, you should forward the bill to them. If you no longer own the property and you know the name and address of the new owner/taxpayer, please forward the bill to them. The bill can also be returned to our office along with a note giving us any information that you may have regarding the name/address of the correct taxpayer. Upon receipt of the bill, we will make every effort to get the bill to the correct taxpayer.

The County Treasurer’s Office has information pertaining to the actual tax bill amount. The County Clerk’s Office can answer questions about various tax rates and levies. The Supervisor of Assessments Office can offer assistance related to the filing of assessment complaints and the following exemptions:

  • The Homeowners Occupancy Exemption
  • The Senior Citizens Homestead Exemption
  • The Senior Citizens Assessment Freeze Exemption
  • The Homestead Improvements Exemption
  • The Disabled Veterans Exemption

Check your bill(s) to see if you have been given credit for the exemptions that you’re entitled to. Some of the exemptions require paperwork and signature every year. If you believe exemptions are missing, contact the Supervisor of Assessments Office.

You can email or mail a signed paper with an address change request to the County Treasurer’s Office.