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TREASURER
- General Information
- Forms & Documents
- Address Change Form
- Agriculture Land Conversion
- Assessor/Assessment Information
- Assistance Programs
- Goals & Objectives
- In-Rem Tax Notices
- Land Sales - Wisconsin Surplus Online Auction
- Lottery Credit
- MFL - Managed Forest Law
- Municipal Clerks and Treasurers Contact Information
- Publications - County Treasurer
- Real Estate Property Tax - Pay Online
- Sanitary Districts
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Forms & Documents

ADDRESS CHANGE
Assessment Ratio
  • Assessment/Aggregate Ratio - Tax Year 2013 - Download

  • Assessment/Aggregate Ratio - Tax Year 2014 - Download

  • Assessment/Aggregate Ratio - Tax Year 2015 - Download

  • Assessment/Aggregate Ratio - Tax Year 2016 - Download

  • Assessment/Aggregate Ratio - Tax Year 2017 - Download

  • Assessment/Aggregate Ratio - Tax Year 2018 - Download

  • Assessment/Aggregate Ratio - Tax Year 2019 - Download

  • Assessment/Aggregate Ratio - Tax Year 2020 - Download

  • Assessment/Aggregate Ratio - Tax Year 2021 - Download

Fees
First Dollar Credit
Lottery Credit
Mill Rate
TAXES ONLINE WEBPORTAL
  • Tax Webportal Online Instructions - Download
    Click on the link below to access our tax webportal found at https://www.co.oconto.wi.us/ or on the left hand side of this page, click on "Pay Property Tax Online".

    Please use the following web browser - MAZILLA FIREFOX

Tax Data File