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County Motor Fuel Tax

Statutory Reference

Electronic Services


DuPage, Kane, and McHenry counties have imposed a tax on the retail sale of motor fuel at a rate not exceeding 4 cents per gallon. DuPage, McHenry, and Kane counties levy the tax at the maximum rate.

Tax Rate

Use the Tax Rate Database to look up location specific tax rates.

Form/Filing & Payment Requirements

Form CMFT-1, County Motor Fuel Tax Return is due monthly, quarterly, or annually, based on the taxpayer’s average monthly liability. The department determines how often the return must be filed. Instructions