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Kosciusko County, Indiana

The homepage for the government of Kosciusko County, Indiana

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Property Tax Info & Forms


Property taxes in Kosciusko County will be due May 11, 2020 and November 10, 2020. Payments may be made in person at the Treasurer's Office located in the Courthouse at 100 W Center Street, Warsaw, In 46580. There is a ground level entrance on the west side of the Courthouse with access to the elevator to take taxpayers to the second floor. A drop box for payments is also available during tax collection period on the West side of the old Courthouse at the handicapped entrance.  The box is monitored with cameras.

Payments may be in the form of cash, check or money order. Debit and credit cards are taken in the office but require an additional 2.50% convenience fee or $1 for taxes under $40 that is retained by the company providing the card processing service. 

If payments are mailed, they should be sent to Kosciusko County Treasurer, PO Box 1764, Warsaw, IN 46581. Spring payments must be postmarked by May 11, 2020. Fall payments must be postmarked by November 10, 2020. If you are mailing your payment on the last day we strongly suggest that you take the envelope inside the post office and have it hand cancelled. Payments received with a post mark after due dates  are subject to penalties. (Meter dates are not acceptable)

Taxes may be paid at Lake City Bank branches only at this time, with original tax bill and no prior delinquencies.

Included in the property tax bill mailing is the Tax Summary 1 (TS1) which has "SPECIAL MESSAGE TO PROPERTY OWNER" printed on the top. This form provides information on the property's assessed value, exemptions, ditches, and the detailed tax rates as well as percentages of increase or decrease in taxes.

It is not necessary to file each year for the Homestead Credit. To qualify for the Homestead Credit the property must be your full time, permanent residence as evidenced by where you vote, show as your home for income tax purposes and purchase your car plates. If you have a Homestead Credit but are not entitled to the deduction, you must contact the Kosciusko County Auditor's Office or face further penalties.  Taxpayers are entitled to only one Homestead Credit in the State of Indiana. Taxpayers may check their TS 1 form under Table 5 to verify they are receiving the Homestead Credit. Questions on other exemptions can be directed to the Kosciusko County Auditor's Office at 1-574-372-2316.

County Treasurer, Rhonda Helser, reminds taxpayers that tax information is available at the Kosciusko County website at By selecting "Beacon Online Mapping" in the left margin, taxpayers can view real property, personal property and mobile home property tax information, real property record cards, maps and other pertinent information related to the property. Taxpayers with questions reference their tax bills may contact the Kosciusko County Treasurer's Office at 1-574-372-2370.