2025/2026 tax bills are posted to view or print online at the Winnebago County website.

Search Tip on the Winnebago Co website: use the least amount of information and click find now. Example: Enter only the house number and, if known, the municipality name dropdown, to narrow the search, click on the Find Now button.

To print the above search explanation example, click here.

It is likely that the tax bills will not be mailed until next week. UPDATE, tax bills were mailed 12/16/2025.

✔️ Escrow check larger than taxes due: A refund check will be mailed to the property owner along with a receipt.

✔️ Change Tax Bill mailing address: Contact the Town Treasurer. Submit the address change form to the Town Treasurer click here access the form.

✔️ Lottery Credits: If you believe you are due a lottery credit, contact the town treasurer. Call (920) 385-6866 or email the Town Treasurer. Another resource is the Dept. of Revenue on Lottery Credits, web page: LINK

✔️ Dog Licenses: Go to Dog License Application Form. The application must be completed and mailed with payment to the Town Treasurer Laura Hunt.

Deadline tax payment to the Town of Oshkosh is January 31, 2026. After January 31, 2026, the tax payments are turned over to Winnebago County Treasurer to collect.

Summary of 2025/2026 property tax information:

✔️ $157/garbage and $81/recycling = $238/per household for the year ($19.84/month or $4.58/week). It is a 3% increase from the prior year. Multiple households per structure are calculated accordingly.

✔️ The assessment ratio in calculating the estimated Fair Market Value/Equalized rate for 2025 is 0.952181171 or 95%.

Properties within these districts overall rates (all levies combined) are:
Oshkosh Area School District                             0.012028733
Winneconne Community School District            0.010118601
Winne Sch in Butte des Morts Sanitary District   0.010360292