• Open Book


    Please call the assessor during their regular business hours (M-F, 8am-4:30pm).  You may call any time after receiving your assessment notice, but no later than 7 days prior to the Board of Review (which will be July 7 from 2-4pm) to conduct your Opn Book meeting.
    If the assessor is not available at the time of your call, they will make every effort to return your call within 24 hours.  When leaving a message, please provide your name, phone number, the Municipality (Town of Sullivan) and the Tax Key number from your assessment notice or tax bill.

    You may contact the assessor at the following:

    Associated Appraisal Consultants, Inc.
    P.O. Box 440
    Greenville, WI 54942
    Phone:  920-749-1995
    Fax:  920-731-4158

    Preliminary 2021 Assessment Rolld and Dept. of Revenue instructional materials are available at the following link: