We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Your property tax liability is based on the assessed value of your property and your district's costs of operation. The system will automatically recalculate your future installments to reflect the changes and will send the student and any Payments can be made online, through the mail, or in our office. View up to date information on how Illinois is handling the Coronavirus Disease 2019 (COVID-19) from the State of Illinois Coronavirus Response Site Toggle navigation It looks like your browser does not have JavaScript enabled. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker.

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Several secure payment options eliminate the anxiety of making sure your return is postmarked on time. DETAILS. Illinois State Treasurer's Office Attn: Estate Tax Section 400 W. Monroe St., 4th Fl. The payment plan consists of five installments for Fall (Aug-Dec) and Spring (Jan-May) and two installments for Summer (June-July).You will be charged a payment plan convenience fee if there is a current semester balance by the third installment due date for Fall/Spring or after the first installment for Summer semester. By using our site, you agree to our Include your email address to get a message when this question is answered.If you purchase a vehicle that must be registered and titled from a private party who doesn't collect sales tax, you must pay sales tax within 30 days from the date of purchase. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3f\/Pay-Illinois-Sales-Tax-Online-Step-1.jpg\/v4-460px-Pay-Illinois-Sales-Tax-Online-Step-1.jpg","bigUrl":"\/images\/thumb\/3\/3f\/Pay-Illinois-Sales-Tax-Online-Step-1.jpg\/aid9901306-v4-728px-Pay-Illinois-Sales-Tax-Online-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"