This page helps with Property Tax tasks in Tazewell County, Illinois, including finding tax bill information, checking parcel or mobile home tax records, understanding payment options, and contacting the right county office.

Use the Tazewell County Property Tax Inquiry for parcel and mobile home searches, and contact the Tazewell County Treasurer/Collector for payment questions, tax bill help, and collection issues.

Tazewell County Property Tax Inquiry

The Tazewell County Property Tax Inquiry is the main online search tool for property tax records. It supports both parcel searches and mobile home searches.

  • Parcel number or other parcel search information when using Parcel Search
  • Mobile home information when using Mobile Home Search

Before searching, review the site notice. The Assessment Office states that the information is provided for assessment office purposes and should not be treated as a legal guarantee.

  • Select either Parcel Search or Mobile Home Search.
  • Enter the available property information.
  • Review the returned tax and property details carefully.
  • Contact the appropriate county office if the record is unclear or does not match your tax bill.

The inquiry site showed a data update timestamp of June 23, 2026 at 5:15 p.m.

Online tax office access

The Tazewell County IL Tax site provides tax office access with a disclaimer before proceeding. The county notes that online information may be slightly dated and is for informational use only.

Use online tax results as a starting point. For questions about assessed values, missing information, or possible errors, contact the office tied to that part of the tax process.

Pay real estate taxes

Tazewell County real estate taxes can be paid online or by phone using credit card, debit card, PayPal, or e-check. The county’s payment page is available through real estate tax payment information.

When paying by credit card, the taxpayer must enter the 12-digit Parcel Number, also called the PIN, located at the top right corner of the tax bill. Taxpayers who do not know the number may contact the Treasurer’s Office for help.

The following payment fees are charged by the service provider, not by Tazewell County.

Payment method Fee
Credit card or debit card 2.25% of the tax amount, with a $1.95 minimum per transaction
E-check $1.25 flat fee
Phone payment Accepted at (309) 925-0025 using the same service provider fee rules

Tax bills, due dates, and penalties

The Treasurer/Collector collects real estate taxes and disburses the money to the taxing bodies listed on the bill. The Treasurer does not set tax rates or property valuations.

For 2025 taxes payable in 2026, Tazewell County lists these real estate tax dates.

Item Date or amount
First installment due date June 1, 2026
Second installment due date September 1, 2026
Late interest 1-1/2% per month
Tax sale date October 19, 2026

Failure to receive a tax bill does not remove penalties if taxes are not paid by the due dates.

Who handles each part of the tax bill

Several Tazewell County offices and local officials have separate roles in the property tax process. This matters when deciding where to ask a question.

Office or official Role
Township Assessor Sets the value on homes or property in each of Tazewell County’s 19 townships
Supervisor of Assessments Receives assessment information and handles assessment office functions
County Clerk Figures and sets tax rates for each taxing district using assessed value
Treasurer/Collector Prints tax bills, collects payments, manages tax records and payments, and distributes money to taxing districts

Assessment Office and exemptions

The Tazewell County Assessment Office handles assessment-related matters, including homestead exemption forms, senior assessment freeze forms, disabled persons forms, disabled veterans forms, returning veterans forms, solar assessment forms, and property split or combination request forms.

The Assessment Office recommends that the initial submission of a homestead exemption be completed in person so information can be verified. Senior Freeze submissions should include the appropriate 1040 tax return or other supporting documents.

The office also explains equalization as a uniform percentage increase or decrease applied to assessed values to bring assessment levels, on average, to 33.33% of market value.

Tazewell County property tax contacts

Use these contacts for property tax payment, tax bill, collection, and assessment questions.

  • Tazewell County Treasurer/Collector, McKenzie Building, 11 S 4th St. Ste. 308, Pekin, Illinois 61554
    Phone: (309) 477-2284
    Hours: 8:00 a.m. – 4:30 p.m.
  • Tazewell County Assessment Office, 11 South Fourth Street, McKenzie Building, Suite 410, Pekin, IL 61554-4206
    Phone: (309) 477-2275
    Hours: 8:00 a.m. – 4:30 p.m.
  • Board of Review
    Phone: (309) 477-2277

Common questions

Where can I search Tazewell County property tax records online?

Use the property tax inquiry tool for parcel and mobile home searches.

Where can I pay Tazewell County real estate taxes?

Real estate taxes can be paid online or by phone. Phone payments are accepted at (309) 925-0025, and online payment information is available through the Treasurer’s payment page.

What number do I need to pay by credit card?

You need the 12-digit Parcel Number, or PIN, located at the top right corner of the tax bill. If you do not know it, call the Treasurer’s Office at (309) 477-2284.

Who sets my property value in Tazewell County?

Each township assessor sets property values, and that information is forwarded to the Supervisor of Assessments office. The Treasurer cannot set valuations.

Who sets tax rates for my bill?

The County Clerk figures and sets tax rates for each taxing district using assessed value. The Treasurer receives that information to print tax bills.

What happens if I miss a real estate tax due date?

Interest is assessed at 1-1/2% per month if taxes are not paid by the due dates. Failure to receive a bill does not remove penalties.