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Frequently Asked Questions

Below you will find information that might help you understand how to find things or learn about information you might need to know about your city or town.

Treasurer

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  • Spring - May 10th Fall - November 10th (unless that falls on a Saturday, Sunday or Holiday, then payments will be due the next business day)
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  • You can make your tax payments by phone, mail, online, in person or on the phone! Find more information about these tax payment options HERE.

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  • You should mail your payment along with your payment coupon to Porter County Treasurer, 155 Indiana Ave, Suite 209, Valparaiso IN 46383. To expedite processing of your payment, please do not staple, paper clip or fasten your check to the payment coupon. 

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  • All payments received by the Treasurer's office AFTER that installments due date are considered late UNLESS: 1 - Your properly addressed payment envelope CLEARLY displays a United States Post Mark dated on or prior to the due date 2 - Your properly addressed payment envelope has been deposited with a nationally recognized express parcel carrier on or prior to the due date Penalty calculation instructions are printed on the front of your bill. See IC 6-1.1-37-10 for full code on post mark and penalty calculation
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  • If an error was made in the posting of your tax payment please contact the Treasurer's office (219) 465-3470 All other considerations must be made to the Auditor’s office (219) 465-3445
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  • Many factors affect the final amount on your tax bill. You are mailed a TS-1A along with your tax bill. The TS-1A shows every category and every change that has occurred since the prior year's billing. REVIEW the information provided on your TS-1A BEFORE you call ANY County Office. This reduces your frustration of getting transferred from office to office. Each office can only answer to their particular function. Did your ASSESSMENT increase from last year and you need to know why? Call the Assessor's Office Did your DEDUCTIONS decrease and they should not have? Call the Auditor's Office Did a Fee increase from last year? If so, call the appropriate department who is charging the fee Did the tax rate change from last year? This is determined by the State. Learn more...

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  • When you mail your tax bill to the Porter County Treasurer, provide a self-addressed, stamped envelope and the Treasurer's Office will send you a receipt. Your cancelled check can be your receipt as well. Please expect 6-8 weeks for your returned receipt.
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  • Email request to: auditoraddress@porterco.org
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  • Once settlement is complete (June & December), Surplus Claim Forms are mailed to taxpayers with instructions on how to claim the surplus. Keep in mind that the Spring overpayments are applied towards the Fall amount due. Surplus Claim Forms are only mailed when the TOTAL taxes due for the year are over-paid.
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  • The original title plus the trailer dimensions must be brought into the Treasurer's Office. All taxes, current and past due, must be paid prior to obtaining the permit. Payments must be made by cash or money order for Mobile Home Permit. Porter County will also collect a $10.00 Mobile Home Transfer or Moving Permit Fee. Mobile Home Permit – State Form 7878 completed by the County Treasurer then taken to the Indiana Bureau of Motor Vehicles.
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  • Categories include Homestead Credit, Mortgage, Blind or Disabled, Over 65, Energy System, Disabled Veteran, Heritage Barn and possibly more. Please contact the Auditor's Office (219) 465-3445 Auditor@porterco.org
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  • Account History with Balances are available on-line and are updated nightly. Please note that a payment made on-line will show on the payment site the day it is made. This payment takes a minimum of 2 days to post to our internal system. Because of this lag and the nightly update, it will then appear that the payment has not been made.
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  • Bring in your completed PROPERTY TAX CLEARANCE SCHEDULE - FORM NO.1 Your ATC Permit Number is required unless you are applying for a NEW License RENEWALS: All taxes MUST be paid CURRENT. TRANSFERS: All taxes must be paid through the ASSESSMENT DATE. Taxes are assessed the prior year so the total due this pay year must be collected for transfers. Payments must be made with Cash, Cashiers Check or Money Order. Personal and Business Checks are NOT accepted. We cannot fax your permits as the original county embossed seal is required by Indiana ATC. The form can be found at
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