Will County, IL Property Tax

Property taxes in Will County fall at 2.05%, which costs residents an average of $4,921 a year.
Written by Bee Davis
Reviewed by Melanie Reiff
The property tax rate in Will County,
, is 2.05%, costing residents an average of $4,921 per year. The state average is lower at 1.73%. 
Property taxes—they can feel like a burden, especially in areas with high rates, including Will County. Even if you’ve lived in the same area for years, you may notice that your rates fluctuate every year with changing home values and market conditions. 
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Property tax 101

If you’ve never paid property taxes before or just need a refresher, here are the basics:
  • Property taxes are administered by your local government to pay for public works and community services (think education, roads, and law enforcement)
  • Most property taxes apply to what’s called real property, meaning land, buildings, and homes
  • Your property tax amount will be determined by a local tax assessor who assigns rates based on market values and a local tax rate
  • Property taxes are subject to frequent change based on market conditions and local budgets
Basically, property taxes are how local governments generate revenue from members of a community to fund public resources.

What is the property tax rate in Will County?

The average Will County property tax rate comes in at 2.05%, costing taxpayers an average of $4,921 per year (yikes). That’s higher than the state average of 1.73% and almost twice the national average of 1.1%. 
Tax rates are generally determined by the district’s levy, i.e., the amount of money a district needs to collect in taxes in order to operate in the coming year. 

How Will County property taxes are determined

Your property taxes in Will County are determined by your local Tax Assessor, a government official responsible for determining the market value of your home and taxing you accordingly. 
The market value refers to the amount your home would sell for on an open market, generally based on property features, community characteristics, etc.
Generally, your tax bill will come out to one third of your market value multiplied by the tax rate of your district. You can learn more about the specifics of calculating your taxes on the
Will County Treasurer’s website

What do Will County property taxes pay for?

You can look at any public project in your area and see your property taxes at work. Will County directs revenue from property taxes towards a variety of public works and services, including:
  • Transportation 
  • Roads and highways
  • Libraries
  • Law enforcement
  • Public health
  • Building safety
  • Public libraries
  • K-12 and community education 
  • Regional sewer system

How to pay property taxes in Will County

There are several accessible ways to pay your property taxes in Will County, including:
  • Online: you can easily pay your taxes online at the
    Will County treasurer’s website
  • Through the mail: you can send a check payable to the Will County Treasurer along with your tax bill to this address: Post Office Box 5000, Joliet, IL 60434-5000
  • In person: you can stop by the Will County Treasurer’s office and pay in person at this address: 302 North Chicago Street, Joliet, IL 60432-4059. Office hours are 8:30am to 4:30pm
Taxes are generally due in two installments, the first on June 1st and again on September 1st. If your tax bill is mailed late (after May 1st) your taxes are due 30 days after the mail date of your bill. 

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Property taxes are due in two installments: the first is due June 1st and the second is due September 1st.
Your tax bill will be mailed to you before taxes are due in June. You can also view your tax bill on the Will County Treasurer’s website
Yes! Will County boasts a tax rate that’s twice as high as the national average, costing taxpayers an average of $4,921 per year.
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