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Tax Rate Data


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The current year Tax Rate used to calculate taxes payable in the next new year when it is not available use the prior year tax rate.  The tax rates each year are calculated by the county clerk's office.  They are usually available by May of the current calendar year the tax bill is due.  In Will County the 1st half of a Real Estate Tax bill in due in June and the 2nd half is due in September.  A current year Sale Price multiplied by the current year Effective Tax Rate is one way to estimate the amount of a tax bill.  When the current effective tax rate is not available use the prior year Effective Tax Rate to calculate the estimated tax bill.


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