The County Treasurer’s office is responsible for the cash management process in the County.  This includes collecting and receipting of all County money. This office coordinates the tax bill process and the collection of the second installment property taxes for all municipalities.

The mission of the County Treasurer’s office is to provide efficient courteous service and maintain accurate records, while upholding the fiduciary and statutory responsibilities required of the office.

Responsibilities of the County Treasurer:

  • Manage County funds by receipting and accounting for the money received from taxpayers, departments and government agencies. Disburse monies due employees, vendors, taxing jurisdictions and taxpayers.
  • Invest County funds not immediately needed to ensure safety, liquidity and return, while following guidelines set by County Board, State Statutes, and County Investment Policy.
  • Administer Property Tax Laws and Collect Property Taxes as outlined in the Wisconsin Statutes.
  • Maintain Tax Billing and Collection History Records for archives and public inspection per open records law.

Assessor Information

Green Lake County Municipality Assessors

Action Appraisers (920) 766-7323
City of Markesan, Town of Berlin, Town of Kingston, Town of Marquette, Town of Seneca

Associated Appraisal Consultants (920) 749-1995
City of Berlin, City of Green Lake, Town of Princeton

Bowmar Appraisals (920) 733-5369
City of Princeton

Bruce Gardiner Appraisal Service (608) 732-4481
Town of St Marie

Catalis Tax & Cama Inc (262) 253-1142
Town of Brooklyn, Town of Green Lake, Town of Mackford

Frank Assessment Services LLC (920) 484-5042
Village of Kingston, Village of Marquette

Municipal Group LLC (715) 212-0416
Town of Manchester

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Staff Directory

Jessica McLean – Treasurer

Brenda Sondalle  –  Deputy Treasurer

Stefanie Meeker – Real Property Lister/Deputy Treasurer

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Boat Launch Permits

Effective April 1, 2020, the cost for an annual pass is as follows:
Green Lake County Resident – $30.00
Non-Resident – $40.00
Each additional pass – $2.00

Boat Launch Mail-In Application

Annual passes are valid for both Margaret Dodge Memorial Park on County Road K and Sunset Park on County Road A. 

All annual passes can also be purchased in the County Treasurer’s office. 

Daily launch passes will be sold at the parks in the launch area.
The cost of a daily pass is $7.00

Please contact the Green Lake County Treasurer’s office for more information at 920-294-4018.

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Lottery and Gaming Credit

The Lottery and Gaming Credit provides direct property tax relief to homeowners as a credit on their property tax bill.  The Lottery and Gaming Credit is shown on the tax bill as a reduction in property taxes due.

To qualify, you must be a Wisconsin resident, own a dwelling and use it as your primary residence as of the January 1 certification date of the year the property taxes are levied.

2024 Lottery and Gaming Credit Applications (Form LC-100) can be submitted via online application portal or mail in.

2023 lottery credit late claims must be submitted via the online application portal by the October 1 deadline.  Attach a 2023 property tax bill during the online application process when prompted.

Property owners must notify the County Treasurer’s office within 30 days of the date on which the property is no longer used as their primary residence by completing the Lottery and Gaming Credit Removal Request (Form LC-400) online or mail in.

Lottery and Gaming Credit FAQ’s

Lottery Credit Online Application Portal and Forms

Informational Sheet

Download Copy of Property Tax Bill

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Online Tax Payments


Current year real estate taxes (2023) accepted after February 7, 2024.  See municipal letter sent with tax bill for January payment options.

Delinquent real estate taxes (2022 and prior) accepted year-round. Online processing fees apply: credit card (2.39%), debit card ($3.95), electronic check ($1.50).

Online Tax Payment Instructions

Pay Taxes Here

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Plat Books

The 2023 Green Lake County Plat Book is available at the County Treasurer’s Office. The price is $21.10 (inc tax) if picked up at the Treasurer’s office and $25.10 if mailed.

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Real Property Lister

The main duties of the office of the Real Property Lister are to prepare and maintain accurate ownership and description information for all parcels in the county.

This includes:

  • Parcels numbers.
  • Owner’s name and accurate legal description as shown on the latest records in the office of the Register of Deeds.
  • Owner’s mailing address.
  • Number of acres in the parcel if it contains more than one acre.
  • Schools district and special purpose district codes.
  • The Real Property Lister provides information on parcels of real property in the county for the use of the taxation district assessors, city, village and town clerks and treasurers and county offices and any other persons requiring that information.
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In Rem Property For Sale

In Rem Property for sale click here

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